## Alphabetical List of Ahelp Files

Topic | Context | Summary | ||||
---|---|---|---|---|---|---|

A | absorptionedge | models | Optical model of an absorption edge. | |||

absorptiongaussian | models | Gaussian function for modeling absorption (equivalent width). | ||||

absorptionlorentz | models | Lorentz function for modeling absorption (equivalent width). | ||||

accretiondisk | models | A model of emission due to an accretion disk. | ||||

add_model | modeling | Create a user-defined model class. | ||||

add_user_pars | modeling | Add parameter information to a user model. | ||||

atten | models | Model the attenuation by the Inter-Stellar Medium (ISM). | ||||

B | bbodyfreq | models | A one-dimensional Blackbody model (frequency). | |||

bbody | models | A one-dimensional Blackbody model. | ||||

beta1d | models | One-dimensional beta model function. | ||||

beta2d | models | Two-dimensional beta model function. | ||||

blackbody | models | Emission from a black body as a function of wavelength. | ||||

box1d | models | One-dimensional box function. | ||||

box2d | models | Two-dimensional box function. | ||||

bpl1d | models | One-dimensional broken power-law function. | ||||

bremsstrahlung | models | Bremsstrahlung emission. | ||||

brokenpowerlaw | models | Broken power-law model. | ||||

C | calc_chisqr | utilities | Calculate the per-bin chi-squared statistic. | |||

calc_data_sum2d | utilities | Sum up the data values of a 2D data set. | ||||

calc_data_sum | utilities | Sum up the data values over a pass band. | ||||

calc_energy_flux | utilities | Integrate the unconvolved source model over a pass band. | ||||

calc_ftest | utilities | Compare two models using the F test. | ||||

calc_kcorr | utilities | Calculate the K correction for a model. | ||||

calc_mlr | utilities | Compare two models using the Maximum Likelihood Ratio test. | ||||

calc_model_sum2d | utilities | Sum up the convolved model for a 2D data set. | ||||

calc_model_sum | utilities | Sum up the fitted model over a pass band. | ||||

calc_photon_flux | utilities | Integrate the unconvolved source model over a pass band. | ||||

calc_source_sum2d | utilities | Sum up the unconvolved model for a 2D data set. | ||||

calc_source_sum | utilities | Sum up the source model over a pass band. | ||||

calc_stat_info | fitting | Display the statistic values for the current models. | ||||

calc_stat | utilities | Calculate the fit statistic for a data set. | ||||

cash | statistics | A maximum likelihood function. | ||||

ccm | models | Galactic extinction: the Cardelli, Clayton, and Mathis model. | ||||

chi2constvar | statistics | Chi-square statistic with constant variance computed from the counts data. | ||||

chi2datavar | statistics | Chi-square statistic with variance computed from the data. | ||||

chi2gehrels | statistics | Chi-square statistic with the Gehrels variance function. | ||||

chi2modvar | statistics | Chi-square statistic with variance computed from model amplitudes. | ||||

chi2xspecvar | statistics | Chi-square statistic with variance computed from data amplitudes. | ||||

chisquare | statistics | About the chi-square statistic. | ||||

clean | modeling | Clear out the current Sherpa session. | ||||

confidence | confidence | Estimate parameter confidence intervals using the confidence method. | ||||

conf | confidence | Estimate parameter confidence intervals using the confidence method. | ||||

const1d | models | A constant model for one-dimensional data. | ||||

const2d | models | A constant model for two-dimensional data. | ||||

contour_data | visualization | Contour the values of an image data set. | ||||

contour_fit_resid | visualization | Contour the fit and the residuals to a data set. | ||||

contour_fit | visualization | Contour the fit to a data set. | ||||

contour_kernel | psfs | Contour the kernel applied to the model of an image data set. | ||||

contour_model | visualization | Create a contour plot of the model. | ||||

contour_psf | psfs | Contour the PSF applied to the model of an image data set. | ||||

contour_ratio | visualization | Contour the ratio of data to model. | ||||

contour_resid | visualization | Contour the residuals of the fit. | ||||

contour_source | visualization | Create a contour plot of the unconvolved spatial model. | ||||

contour | visualization | Create a contour plot for an image data set. | ||||

copy_data | data | Copy a data set, creating a new identifier. | ||||

cos | models | One-dimensional cosine function. | ||||

covariance | confidence | Estimate parameter confidence intervals using the covariance method. | ||||

covar | confidence | Estimate parameter confidence intervals using the covariance method. | ||||

create_arf | data | Create an ARF. | ||||

create_model_component | modeling | Create a model component. | ||||

create_rmf | data | Create an RMF. | ||||

cstat | statistics | A maximum likelihood function from XSPEC | ||||

D | dataspace1d | data | Create the independent axis for a 1D data set. | |||

dataspace2d | data | Create the independent axis for a 2D data set. | ||||

datastack | data | Sherpa extension package for modeling stacks of data. | ||||

delete_bkg_model | modeling | Delete the background model expression for a data set. | ||||

delete_data | data | Delete a data set by identifier. | ||||

delete_model_component | modeling | Delete a model component. | ||||

delete_model | modeling | Delete the model expression for a data set. | ||||

delete_pileup_model | model | Delete the pile up model for a data set. | ||||

delete_psf | psfs | Delete the PSF model for a data set. | ||||

delta1d | models | One-dimensional delta function. | ||||

delta2d | models | Two-dimensional delta function. | ||||

dered | models | A de-reddening model. | ||||

devaucouleurs2d | models | Two-dimensional de Vaucouleurs model. | ||||

disk2d | models | Two-dimensional uniform disk model. | ||||

E | edge | models | Photoabsorption edge model. | |||

emissiongaussian | models | Gaussian function for modeling emission. | ||||

emissionlorentz | models | Lorentz function for modeling emission. | ||||

eqwidth | utilities | Calculate the equivalent width of an emission or absorption line. | ||||

erfc | models | One-dimensional complementary error function. | ||||

erf | models | One-dimensional error function. | ||||

estimate_weighted_expmap | contrib | Return the estimated exposure map value by weighting an ARF by a spectral model. | ||||

exp10 | models | One-dimensional exponential function, base 10. | ||||

exp | models | One-dimensional exponential function. | ||||

F | fake_pha | data | Simulate a PHA data set from a model. | |||

fake | data | Simulate a data set. | ||||

fit_bkg | fitting | Fit a model to one or more background PHA data sets. | ||||

fit | fitting | Fit a model to one or more data sets. | ||||

fm | models | UV extinction curve: Fitzpatrick and Massa 1988. | ||||

freeze | modeling | Fix model parameters so they are not changed by a fit. | ||||

G | gamma | utilities | Calculate the Gamma function. | |||

gauss1d | models | One-dimensional gaussian function. | ||||

gauss2d | models | Two-dimensional gaussian function. | ||||

get_analysis | utilities | Return the units used when fitting spectral data. | ||||

get_areascal | data | Return the fractional area factor of a PHA data set. | ||||

get_arf_plot | data | Return the data used by plot_arf. | ||||

get_arf | data | Return the ARF associated with a PHA data set. | ||||

get_axes | data | Return information about the independent axes of a data set. | ||||

get_backscal | data | Return the BACKSCAL scaling of a PHA data set. | ||||

get_bkg_arf | data | Return the background ARF associated with a PHA data set. | ||||

get_bkg_chisqr_plot | data | Return the data used by plot_bkg_chisqr. | ||||

get_bkg_delchi_plot | data | Return the data used by plot_bkg_delchi. | ||||

get_bkg_fit_plot | data | Return the data used by plot_bkg_fit. | ||||

get_bkg_model_plot | data | Return the data used by plot_bkg_model. | ||||

get_bkg_model | data | Return the model expression for the background of a PHA data set. | ||||

get_bkg_plot | data | Return the data used by plot_bkg. | ||||

get_bkg_ratio_plot | data | Return the data used by plot_bkg_ratio. | ||||

get_bkg_resid_plot | data | Return the data used by plot_bkg_resid. | ||||

get_bkg_rmf | data | Return the background RMF associated with a PHA data set. | ||||

get_bkg_scale | data | Return the background scaling factor for a background data set. | ||||

get_bkg_source_plot | data | Return the data used by plot_bkg_source. | ||||

get_bkg_source | data | Return the model expression for the background of a PHA data set. | ||||

get_bkg | data | Return the background for a PHA data set. | ||||

get_cdf_plot | plotting | Return the data used to plot the last CDF. | ||||

get_chart_spectrum | contrib | Return the model spectrum in the form required by ChaRT2 | ||||

get_chisqr_plot | statistics | Return the data used by plot_chisqr. | ||||

get_confidence_results | confidence | Return the results of the last conf run. | ||||

get_conf_opt | confidence | Return one or all of the options for the confidence interval method. | ||||

get_conf_results | confidence | Return the results of the last conf run. | ||||

get_conf | confidence | Return the confidence-interval estimation object. | ||||

get_coord | data | Get the coordinate system used for image analysis. | ||||

get_counts | data | Return the dependent axis of a data set. | ||||

get_covariance_results | confidence | Return the results of the last covar run. | ||||

get_covar_opt | confidence | Return one or all of the options for the covariance method. | ||||

get_covar_results | confidence | Return the results of the last covar run. | ||||

get_covar | confidence | Return the covariance estimation object. | ||||

get_data_contour_prefs | data | Return the preferences for contour_data. | ||||

get_data_contour | data | Return the data used by contour_data. | ||||

get_data_image | data | Return the data used by image_data. | ||||

get_data_plot_prefs | data | Return the preferences for plot_data. | ||||

get_data_plot | data | Return the data used by plot_data. | ||||

get_data_prof_prefs | contrib | The plot preferences for radial or elliptical profiles of imaging data. | ||||

get_data_prof | contrib | Return the data used to create the radial or elliptical profile of imaging data. | ||||

get_data | data | Return the data set by identifier. | ||||

get_default_id | info | Return the default data set identifier. | ||||

get_delchi_plot | statistics | Return the data used by plot_delchi. | ||||

get_delchi_prof_prefs | contrib | The plot preferences for radial or elliptical profiles of the residuals (data - model)/error to imaging data. | ||||

get_delchi_prof | contrib | Return the data used to create the radial or elliptical profile of the residuals (data - model)/error to imaging data. | ||||

get_dep | data | Return the dependent axis of a data set. | ||||

get_dims | data | Return the dimensions of the data set. | ||||

get_draws | methods | Run the pyBLoCXS MCMC algorithm. | ||||

get_energy_flux_hist | plotting | Return the data displayed by plot_energy_flux. | ||||

get_error | data | Return the errors on the dependent axis of a data set. | ||||

get_exposure | data | Return the exposure time of a PHA data set. | ||||

get_filter | filtering | Return the filter expression for a data set. | ||||

get_fit_contour | visualization | Return the data used by contour_fit. | ||||

get_fit_plot | plotting | Return the data used to create the fit plot. | ||||

get_fit_prof | contrib | Return the data used to create the radial or elliptical profile of fits to imaging data. | ||||

get_fit_results | fitting | Return the results of the last fit. | ||||

get_functions | info | Return the functions provided by Sherpa. | ||||

get_grouping | data | Return the grouping array for a PHA data set. | ||||

get_indep | data | Return the independent axes of a data set. | ||||

get_instmap_weights | contrib | Return the model spectrum in the form required by the spectrumfile parameter of mkinstmap | ||||

get_int_proj | confidence | Return the interval-projection object. | ||||

get_int_unc | confidence | Return the interval-uncertainty object. | ||||

get_iter_method_name | methods | Return the name of the iterative fitting scheme. | ||||

get_iter_method_opt | methods | Return one or all options for the iterative-fitting scheme. | ||||

get_kernel_contour | visualization | Return the data used by contour_kernel. | ||||

get_kernel_image | visualization | Return the data used by image_kernel. | ||||

get_kernel_plot | plotting | Return the data used by plot_kernel. | ||||

get_marx_spectrum | contrib | Return the model spectrum in the form required by MARX | ||||

get_method_name | methods | Return the name of current Sherpa optimization method. | ||||

get_method_opt | methods | Return one or all of the options for the current optimization method. | ||||

get_method | methods | Return an optimization method. | ||||

get_model_autoassign_func | modeling | Return the method used to create model component identifiers. | ||||

get_model_component_image | modeling | Return the data used by image_model_component. | ||||

get_model_component_plot | modeling | Return the data used to create the model-component plot. | ||||

get_model_component | modeling | Returns a model component given its name. | ||||

get_model_contour_prefs | visualization | Return the preferences for contour_model. | ||||

get_model_contour | visualization | Return the data used by contour_model. | ||||

get_model_image | visualization | Return the data used by image_model. | ||||

get_model_pars | modeling | Return the names of the parameters of a model. | ||||

get_model_plot_prefs | plotting | Return the preferences for plot_model. | ||||

get_model_plot | modeling | Return the data used to create the model plot. | ||||

get_model_prof_prefs | contrib | The plot preferences for radial or elliptical profiles of the model (after any PSF convolution) for imaging data. | ||||

get_model_prof | contrib | Return the data used to create the radial or elliptical profile of the source model (after any PSF convolution) for imaging data. | ||||

get_model_type | modeling | Describe a model expression. | ||||

get_model | modeling | Return the model expression for a data set. | ||||

get_num_par_frozen | modeling | Return the number of frozen parameters in a model expression. | ||||

get_num_par_thawed | modeling | Return the number of thawed parameters in a model expression. | ||||

get_num_par | modeling | Return the number of parameters in a model expression. | ||||

get_order_plot | modeling | Return the data used by plot_order. | ||||

get_par | modeling | Return a parameter of a model component. | ||||

get_pdf_plot | plotting | Return the data used to plot the last PDF. | ||||

get_photon_flux_hist | plotting | Return the data displayed by plot_photon_flux. | ||||

get_pileup_model | modeling | Return the pile up model for a data set. | ||||

get_prior | statistics | Return the prior function for a parameter (MCMC). | ||||

get_projection_results | confidence | Return the results of the last proj run. | ||||

get_proj_opt | confidence | Return one or all of the options for the confidence interval method. | ||||

get_proj_results | confidence | Return the results of the last proj run. | ||||

get_proj | confidence | Return the confidence-interval estimation object. | ||||

get_psf_contour | psfs | Return the data used by contour_psf. | ||||

get_psf_image | psfs | Return the data used by image_psf. | ||||

get_psf_plot | psfs | Return the data used by plot_psf. | ||||

get_psf | psfs | Return the PSF model defined for a data set. | ||||

get_pvalue_plot | plotting | Return the data used by plot_pvalue. | ||||

get_pvalue_results | plotting | Return the data calculated by the last plot_pvalue call. | ||||

get_quality | data | Return the quality flags for a PHA data set. | ||||

get_rate | utilities | Return the count rate of a PHA data set. | ||||

get_ratio_contour | visualization | Return the data used by contour_ratio. | ||||

get_ratio_image | visualization | Return the data used by image_ratio. | ||||

get_ratio_plot | plotting | Return the data used by plot_ratio. | ||||

get_reg_proj | confidence | Return the region-projection object. | ||||

get_reg_unc | confidence | Return the region-uncertainty object. | ||||

get_resid_contour | visualization | Return the data used by contour_resid. | ||||

get_resid_image | visualization | Return the data used by image_resid. | ||||

get_resid_plot | plotting | Return the data used by plot_resid. | ||||

get_resid_prof_prefs | contrib | The plot preferences for radial or elliptical profiles of the residuals (data - model) to imaging data. | ||||

get_resid_prof | contrib | Return the data used to create the radial or elliptical profile of the residuals (data - model) to imaging data. | ||||

get_response | modeling | Return the response information applied to a PHA data set. | ||||

get_rmf | data | Return the RMF associated with a PHA data set. | ||||

get_sampler_name | statistics | Return the name of the current MCMC sampler. | ||||

get_sampler_opt | statistics | Return an option of the current MCMC sampler. | ||||

get_sampler | statistics | Return the current MCMC sampler options. | ||||

get_scatter_plot | plotting | Return the data used to plot the last scatter plot. | ||||

get_source_component_image | modeling | Return the data used by image_source_component. | ||||

get_source_component_plot | modeling | Return the data used by plot_source_component. | ||||

get_source_contour | modeling | Return the data used by contour_source. | ||||

get_source_image | modeling | Return the data used by image_source. | ||||

get_source_plot | modeling | Return the data used by plot_source. | ||||

get_source_prof_prefs | contrib | The plot preferences for radial or elliptical profiles of the source model for imaging data. | ||||

get_source_prof | contrib | Return the data used to create the radial or elliptical profile of the source model (before any PSF convolution) for imaging data. | ||||

get_source | modeling | Return the source model expression for a data set. | ||||

get_specresp | data | Return the effective area values for a PHA data set. | ||||

get_split_plot | plotting | Return the plot attributes for displays with multiple plots. | ||||

get_staterror | data | Return the statistical error on the dependent axis of a data set. | ||||

get_stat_info | fitting | Return the statistic values for the current models. | ||||

get_stat_name | statistics | Return the name of the current fit statistic. | ||||

get_stat | statistics | Return the fit statisic. | ||||

get_syserror | data | Return the systematic error on the dependent axis of a data set. | ||||

get_trace_plot | plotting | Return the data used to plot the last trace. | ||||

get_xsabund | modeling | Return the X-Spec abundance setting or elemental abundance. | ||||

get_xschatter | modeling | Return the chatter level used by X-Spec. | ||||

get_xscosmo | modeling | Return the X-Spec cosmology settings. | ||||

get_xsxsect | modeling | Return the cross sections used by X-Spec models. | ||||

get_xsxset | modeling | Return the X-Spec model setting. | ||||

gridsearch | methods | Grid searching optimization method | ||||

group_adapt_snr | data | Adaptively group to a minimum signal-to-noise ratio. | ||||

group_adapt | data | Adaptively group to a minimum number of counts. | ||||

group_bins | data | Group into a fixed number of bins. | ||||

group_counts | data | Group into a minimum number of counts per bin. | ||||

group_snr | data | Group into a minimum signal-to-noise ratio. | ||||

group_width | data | Group into a fixed bin width. | ||||

group | data | Turn on the grouping for a PHA data set. | ||||

guess | modeling | Estimate the parameter values and ranges given the loaded data. | ||||

H | histogram1d | visualization | Create a 1D histogram from a sequence of samples. | |||

histogram2d | visualization | Create 2D histogram from a sequence of samples. | ||||

hubblereynolds | models | Two-dimensional Hubble-Reynolds model. | ||||

I | igamc | utilities | Calculate the complement of the regularized incomplete Gamma function (upper). | |||

igam | utilities | Calculate the regularized incomplete Gamma function (lower). | ||||

ignore2d_id | filtering | Exclude a spatial region from a data set. | ||||

ignore2d_image | filtering | Exclude pixels using the region defined in the image viewer. | ||||

ignore2d | filtering | Exclude a spatial region from all data sets. | ||||

ignore_bad | filtering | Exclude channels marked as bad in a PHA data set. | ||||

ignore_id | filtering | Exclude data from the fit for a data set. | ||||

ignore | filtering | Exclude data from the fit. | ||||

image_close | visualization | Close the image viewer. | ||||

image_data | visualization | Display a data set in the image viewer. | ||||

image_deleteframes | visualization | Delete all the frames open in the image viewer. | ||||

image_fit | visualization | Display the data, model, and residuals for a data set in the image viewer. | ||||

image_getregion | visualization | Return the region defined in the image viewer. | ||||

image_kernel | psfs | Display the 2D kernel for a data set in the image viewer. | ||||

image_model_component | modeling | Display a component of the model in the image viewer. | ||||

image_model | modeling | Display the model for a data set in the image viewer. | ||||

image_open | visualization | Start the image viewer. | ||||

image_psf | psfs | Display the 2D PSF model for a data set in the image viewer. | ||||

image_ratio | visualization | Display the ratio (data/model) for a data set in the image viewer. | ||||

image_resid | visualization | Display the residuals (data - model) for a data set in the image viewer. | ||||

image_setregion | visualization | Set the region to display in the image viewer. | ||||

image_source_component | modeling | Display a component of the source expression in the image viewer. | ||||

image_source | modeling | Display the source expression for a data set in the image viewer. | ||||

image_xpaget | visualization | Return the result of an XPA call to the image viewer. | ||||

image_xpaset | visualization | Return the result of an XPA call to the image viewer. | ||||

incbet | utilities | Calculate the incomplete Beta function. | ||||

integrate1d | modeling | Integrate a model across each bin (one dimensional). | ||||

integrate | modeling | Controlling the integration of model components | ||||

int_proj | confidence | Calculate and plot the fit statistic versus fit parameter value. | ||||

int_unc | confidence | Calculate and plot the fit statistic versus fit parameter value. | ||||

J | jdpileup | models | A CCD pileup model for the ACIS detectors on Chandra. | |||

L | leastsq | statistics | Chi-square statistic with variance set to 1. | |||

levmar | methods | Levenberg-Marquardt optimization method | ||||

lgam | utilities | Calculate the log (base e) of the Gamma function. | ||||

linebroad | models | A one-dimensional line-broadening profile. | ||||

link | modeling | Link a parameter to a value. | ||||

list_bkg_ids | info | List all the background identifiers for a data set. | ||||

list_data_ids | info | List the identifiers for the loaded data sets. | ||||

list_functions | info | Display the functions provided by Sherpa. | ||||

list_iter_methods | methods | List the iterative fitting schemes. | ||||

list_methods | methods | List the optimization methods. | ||||

list_models | models | List the available model types. | ||||

list_model_components | models | List the names of all the model components. | ||||

list_model_ids | info | List of all the data sets with a source expression. | ||||

list_pileup_model_ids | info | List of all the data sets with a pile up model. | ||||

list_priors | statistics | Return the priors set for model parameters, if any. | ||||

list_psf_ids | info | List of all the data sets with a PSF. | ||||

list_response_ids | info | List all the response identifiers of a data set. | ||||

list_samplers | statistics | List the MCMC samplers. | ||||

list_stats | info | List the fit statistics. | ||||

lmc | models | LMC extinction: the Howarth model. | ||||

load_arf | data | Load an ARF from a file and add it to a PHA data set. | ||||

load_arrays | data | Create a data set from array values. | ||||

load_ascii_with_errors | data | Load an ASCII file with asymmetric errors as a data set. | ||||

load_ascii | data | Load an ASCII file as a data set. | ||||

load_bkg_arf | data | Load an ARF from a file and add it to the background of a PHA data set. | ||||

load_bkg_rmf | data | Load a RMF from a file and add it to the background of a PHA data set. | ||||

load_bkg | data | Load the background from a file and add it to a PHA data set. | ||||

load_conv | psfs | Load a 1D convolution model. | ||||

load_data | data | Load a data set from a file. | ||||

load_filter | filtering | Load the filter array from a file and add to a data set. | ||||

load_grouping | data | Load the grouping scheme from a file and add to a PHA data set. | ||||

load_image | data | Load an image as a data set. | ||||

load_multi_arfs | data | Load multiple ARFs for a PHA data set. | ||||

load_multi_rmfs | data | Load multiple RMFs for a PHA data set. | ||||

load_pha | data | Load a PHA data set. | ||||

load_psf | psfs | Create a PSF model. | ||||

load_quality | data | Load the quality array from a file and add to a PHA data set. | ||||

load_rmf | data | Load a RMF from a file and add it to a PHA data set. | ||||

load_staterror | data | Load the statistical errors from a file. | ||||

load_syserror | data | Load the systematic errors from a file. | ||||

load_table_model | modeling | Load tabular or image data and use it as a model component. | ||||

load_table | data | Load a FITS binary file as a data set. | ||||

load_template_interpolator | modeling | Set the template interpolation scheme. | ||||

load_template_model | modeling | Load a set of templates and use it as a model component. | ||||

load_user_model | modeling | Create a user-defined model. | ||||

load_user_stat | statistics | Create a user-defined statistic. | ||||

load_xstable_model | modeling | Load a XSPEC table model. | ||||

log10 | models | One-dimensional logarithm function, base 10. | ||||

logabsorption | models | Gaussian function for modeling absorption (log of fwhm). | ||||

logemission | models | Gaussian function for modeling emission (log of fwhm). | ||||

logparabola | models | One-dimensional log-parabolic function. | ||||

log | models | One-dimensional natural logarithm function. | ||||

lorentz1d | models | One-dimensional normalized Lorentz model function. | ||||

lorentz2d | models | Two-dimensional un-normalised Lorentz function. | ||||

M | models | models | Summary of Sherpa models (excluding XSPEC). | |||

moncar | methods | Monte Carlo optimization method | ||||

multinormal_pdf | utilities | The PDF of a multivariate-normal. | ||||

multit_pdf | utilities | The PDF of a multivariate student-t. | ||||

N | neldermead | methods | Nelder-Mead Simplex optimization method | |||

normal_sample | modeling | Sample the fit statistic by taking the parameter values from a normal distribution. | ||||

normbeta1d | models | One-dimensional normalized beta model function. | ||||

normgauss1d | models | One-dimensional normalised gaussian function. | ||||

normgauss2d | models | Two-dimensional normalised gaussian function. | ||||

notice2d_id | filtering | Include a spatial region of a data set. | ||||

notice2d_image | filtering | Include pixels using the region defined in the image viewer. | ||||

notice2d | filtering | Include a spatial region of all data sets. | ||||

notice_id | filtering | Include data from the fit for a data set. | ||||

notice | filtering | Include data in the fit. | ||||

O | opticalgaussian | models | Gaussian function for modeling absorption (optical depth). | |||

P | pack_image | data | Convert a data set into an image structure. | |||

pack_pha | data | Convert a PHA data set into a file structure. | ||||

pack_table | data | Convert a data set into a table structure. | ||||

paramprompt | modeling | Should the user be asked for the parameter values when creating a model? | ||||

plot_arf | plotting | Plot the ARF associated with a data set. | ||||

plot_bkg_chisqr | plotting | Plot the chi-squared value for each point of the background of a PHA data set. | ||||

plot_bkg_delchi | plotting | Plot the ratio of residuals to error for the background of a PHA data set. | ||||

plot_bkg_fit_delchi | plotting | Plot the fit results, and the residuals, for the background of a PHA data set. | ||||

plot_bkg_fit_ratio | plotting | Plot the fit results, and the data/model ratio, for the background of a PHA data set. | ||||

plot_bkg_fit_resid | plotting | Plot the fit results, and the residuals, for the background of a PHA data set. | ||||

plot_bkg_fit | plotting | Plot the fit results (data, model) for the background of a PHA data set. | ||||

plot_bkg_model | plotting | Plot the model for the background of a PHA data set. | ||||

plot_bkg_ratio | plotting | Plot the ratio of data to model values for the background of a PHA data set. | ||||

plot_bkg_resid | plotting | Plot the residual (data-model) values for the background of a PHA data set. | ||||

plot_bkg_source | plotting | Plot the model expression for the background of a PHA data set. | ||||

plot_bkg | plotting | Plot the background values for a PHA data set. | ||||

plot_cdf | plotting | Plot the cumulative density function of an array of values. | ||||

plot_chart_spectrum | contrib | Plot up the model spectrum in the form required by ChaRT | ||||

plot_chisqr | plotting | Plot the chi-squared value for each point in a data set. | ||||

plot_data | plotting | Plot the data values. | ||||

plot_delchi | plotting | Plot the ratio of residuals to error for a data set. | ||||

plot_energy_flux | plotting | Display the energy flux distribution. | ||||

plot_fit_delchi | plotting | Plot the fit results, and the residuals, for a data set. | ||||

plot_fit_ratio | plotting | Plot the fit results, and the ratio of data to model, for a data set. | ||||

plot_fit_resid | plotting | Plot the fit results, and the residuals, for a data set. | ||||

plot_fit | plotting | Plot the fit results (data, model) for a data set. | ||||

plot_instmap_weights | contrib | Plot up the model spectrum in the form required by mkinstmap | ||||

plot_kernel | psfs | Plot the 1D kernel applied to a data set. | ||||

plot_marx_spectrum | contrib | Plot up the model spectrum in the form required by MARX | ||||

plot_model_component | plotting | Plot a component of the model for a data set. | ||||

plot_model | plotting | Plot the model for a data set. | ||||

plot_order | plotting | Plot the model for a data set convolved by the given response. | ||||

plot_pdf | plotting | Plot the probability density function of an array of values. | ||||

plot_photon_flux | plotting | Display the photon flux distribution. | ||||

plot_psf | psfs | Plot the 1D PSF model applied to a data set. | ||||

plot_pvalue | plotting | Compute and plot a histogram of likelihood ratios by simulating data. | ||||

plot_ratio | plotting | Plot the ratio of data to model for a data set. | ||||

plot_resid | plotting | Plot the residuals (data - model) for a data set. | ||||

plot_scatter | plotting | Create a scatter plot. | ||||

plot_source_component | plotting | Plot a component of the source expression for a data set. | ||||

plot_source | plotting | Plot the source expression for a data set. | ||||

plot_trace | plotting | Create a trace plot of row number versus value. | ||||

plot | plotting | Create one or more plot types. | ||||

poisson | models | One-dimensional Poisson function. | ||||

polynom1d | models | One-dimensional polynomial function of order 8. | ||||

polynom2d | models | Two-dimensional polynomial function. | ||||

polynomial | models | Polynomial model of order 5. | ||||

powerlaw | models | Power-law model. | ||||

powlaw1d | models | One-dimensional power-law function. | ||||

prof_data | contrib | Plot a radial or elliptical profile of imaging data. | ||||

prof_delchi | contrib | Plot a radial or elliptical profile of the residuals (data - model)/error to imaging data. | ||||

prof_fit_delchi | contrib | Plot a radial or elliptical profile of the fit (data and model) and residuals (data-model)/error to imaging data. | ||||

prof_fit_resid | contrib | Plot a radial or elliptical profile of the fit (data and model) and residuals (data-model) to imaging data. | ||||

prof_fit | contrib | Plot a radial or elliptical profile of the fit (data and model) to imaging data. | ||||

prof_model | contrib | Plot a radial or elliptical profile of the model (after any PSF convolution) for imaging data. | ||||

prof_resid | contrib | Plot a radial or elliptical profile of the residuals (data - model) to imaging data. | ||||

prof_source | contrib | Plot a radial or elliptical profile of the source model for imaging data. | ||||

projection | confidence | Estimate parameter confidence intervals using the projection method. | ||||

proj | confidence | Estimate parameter confidence intervals using the projection method. | ||||

pseudovoigt1d | models | A weighted sum of a Gaussian and Lorentzian distribution. | ||||

pyblocxs | methods | MCMC-based algorithm for Bayesian Low-Count X-ray Spectral (BLoCXS) analysis | ||||

R | rebin | visualization | Rebin a histogram. | |||

recombination | models | Optically-thin recombination continuum model. | ||||

reg_proj | confidence | Plot the statistic value as two parameters are varied. | ||||

reg_unc | confidence | Plot the statistic value as two parameters are varied. | ||||

renorm | contrib | Change the normalization of a model to match the data. | ||||

resample_data | data | Resample data with asymmetric error bars. | ||||

reset | modeling | Reset the model parameters to their default settings. | ||||

restore | saving | Load in a Sherpa session from a file. | ||||

S | sample_energy_flux | utilities | Return the energy flux distribution of a model. | |||

sample_flux | utilities | Return the flux distribution of a model. | ||||

sample_photon_flux | utilities | Return the photon flux distribution of a model. | ||||

save_all | saving | Save the information about the current session to a text file. | ||||

save_arrays | saving | Write a list of arrays to a file. | ||||

save_chart_spectrum | contrib | Write out the model spectrum in the form required by ChaRT2 | ||||

save_data | saving | Save the data to a file. | ||||

save_delchi | saving | Save the ratio of residuals (data-model) to error to a file. | ||||

save_error | saving | Save the errors to a file. | ||||

save_filter | saving | Save the filter array to a file. | ||||

save_grouping | saving | Save the grouping scheme to a file. | ||||

save_image | saving | Save the pixel values of a 2D data set to a file. | ||||

save_instmap_weights | contrib | Write out the model spectrum in the form required by mkinstmap | ||||

save_marx_spectrum | contrib | Write out the model spectrum in the form required by MARX | ||||

save_model | modeling | Save the model values to a file. | ||||

save_pha | saving | Save a PHA data set to a file. | ||||

save_quality | saving | Save the quality array to a file. | ||||

save_resid | saving | Save the residuals (data-model) to a file. | ||||

save_source | modeling | Save the model values to a file. | ||||

save_staterror | saving | Save the statistical errors to a file. | ||||

save_syserror | saving | Save the systematic errors to a file. | ||||

save_table | saving | Save a data set to a file as a table. | ||||

save | saving | Save the current Sherpa session to a file. | ||||

scale1d | models | A constant model for one-dimensional data. | ||||

scale2d | models | A constant model for two-dimensional data. | ||||

schechter | models | One-dimensional Schechter model function. | ||||

script | saving | Save every command typed in a Sherpa session to a file. | ||||

seaton | models | Galactic extinction: the Seaton model from Synphot. | ||||

sersic2d | models | Two-dimensional Sersic model. | ||||

set_analysis | utilities | Set the units used when fitting and displaying spectral data. | ||||

set_areascal | data | Change the fractional area factor of a PHA data set. | ||||

set_arf | data | Set the ARF for use by a PHA data set. | ||||

set_backscal | data | Change the area scaling of a PHA data set. | ||||

set_bkg_full_model | modeling | Define the convolved background model expression for a PHA data set. | ||||

set_bkg_model | modeling | Set the background model expression for a PHA data set. | ||||

set_bkg_source | modeling | Set the background model expression for a PHA data set. | ||||

set_bkg | data | Set the background for a PHA data set. | ||||

set_conf_opt | confidence | Set an option for the confidence interval method. | ||||

set_coord | data | Set the coordinate system to use for image analysis. | ||||

set_counts | data | Set the dependent axis of a data set. | ||||

set_covar_opt | confidence | Set an option for the covariance method. | ||||

set_data | data | Set a data set. | ||||

set_default_id | utilities | Set the default data set identifier. | ||||

set_dep | data | Set the dependent axis of a data set. | ||||

set_exposure | data | Change the exposure time of a PHA data set. | ||||

set_filter | filtering | Set the filter array of a data set. | ||||

set_full_model | modeling | Define the convolved model expression for a data set. | ||||

set_grouping | data | Apply a set of grouping flags to a PHA data set. | ||||

set_iter_method_opt | methods | Set an option for the iterative-fitting scheme. | ||||

set_iter_method | methods | Set the iterative-fitting scheme used in the fit. | ||||

set_method_opt | methods | Set an option for the current optimization method. | ||||

set_method | methods | Set the optimization method. | ||||

set_model_autoassign_func | modeling | Set the method used to create model component identifiers. | ||||

set_model | modeling | Set the source model expression for a data set. | ||||

set_par | modeling | Set the value, limits, or behavior of a model parameter. | ||||

set_pileup_model | modeling | Include a model of the Chandra ACIS pile up when fitting PHA data. | ||||

set_prior | statistics | Set the prior function to use with a parameter. | ||||

set_proj_opt | confidence | Set an option for the projection method. | ||||

set_psf | psfs | Add a PSF model to a data set. | ||||

set_quality | data | Apply a set of quality flags to a PHA data set. | ||||

set_rmf | data | Set the RMF for use by a PHA data set. | ||||

set_sampler_opt | statistics | Set an option for the current MCMC sampler. | ||||

set_sampler | statistics | Set the MCMC sampler. | ||||

set_source | modeling | Set the source model expression for a data set. | ||||

set_staterror | data | Set the statistical errors on the dependent axis of a data set. | ||||

set_stat | statistics | Set the statistical method. | ||||

set_syserror | data | Set the systematic errors on the dependent axis of a data set. | ||||

set_xlinear | plotting | New plots will display a linear X axis. | ||||

set_xlog | plotting | New plots will display a logarithmically-scaled X axis. | ||||

set_xsabund | modeling | Set the elemental abundances used by X-Spec models. | ||||

set_xschatter | modeling | Set the chatter level used by X-Spec. | ||||

set_xscosmo | modeling | Set the cosmological parameters used by X-Spec models. | ||||

set_xsxsect | modeling | Set the cross sections used by X-Spec models. | ||||

set_xsxset | modeling | Set a X-Spec model setting. | ||||

set_ylinear | plotting | New plots will display a linear Y axis. | ||||

set_ylog | plotting | New plots will display a logarithmically-scaled Y axis. | ||||

shell2d | models | A homogenous spherical 3D shell projected onto 2D. | ||||

sherparc | sherpa | The .sherpa.rc file provides user-configuration options for Sherpa | ||||

sherpa_chart | contrib | Create and view spectral files for ChaRT2 (CIAO contributed package). | ||||

sherpa_contrib | contrib | Contributed CIAO routines for Sherpa. | ||||

sherpa_marx | contrib | Create and view spectral files for MARX (CIAO contributed package). | ||||

sherpa_profiles | contrib | Radial profiles of imaging data in Sherpa (CIAO contributed package). | ||||

sherpa_utils | contrib | Utility routines for Sherpa (CIAO contributed package). | ||||

sherpa | sherpa | Introduction to Sherpa, the CIAO modeling and fitting package | ||||

show_all | info | Report the current state of the Sherpa session. | ||||

show_bkg_model | info | Display the background model expression used to fit a data set. | ||||

show_bkg_source | info | Display the background model expression for a data set. | ||||

show_bkg | info | Show the details of the PHA background data sets. | ||||

show_conf | info | Display the results of the last conf evaluation. | ||||

show_covar | info | Display the results of the last covar evaluation. | ||||

show_data | info | Summarize the available data sets. | ||||

show_filter | filtering | Show any filters applied to a data set. | ||||

show_fit | info | Summarize the fit results. | ||||

show_kernel | psfs | Display any kernel applied to a data set. | ||||

show_method | info | Display the current optimization method and options. | ||||

show_model | info | Display the model expression used to fit a data set. | ||||

show_proj | info | Display the results of the last proj evaluation. | ||||

show_psf | psfs | Display any PSF model applied to a data set. | ||||

show_source | info | Display the source model expression for a data set. | ||||

show_stat | info | Display the current fit statistic. | ||||

sigmagauss2d | models | Two-dimensional gaussian function (varying sigma). | ||||

simulfit | fitting | Fit a model to one or more data sets. | ||||

sin | models | One-dimensional sine function. | ||||

smc | models | SMC extinction: the Prevot et al. 1984 model. | ||||

sm | models | Galactic extinction: the Savage & Mathis model. | ||||

sqrt | models | One-dimensional square root function. | ||||

stephi1d | models | One-dimensional step function. | ||||

steplo1d | models | One-dimensional step function. | ||||

subtract | data | Subtract the background estimate from a data set. | ||||

T | tablemodel | models | Using an n-dimensional array of values as a model (table model). | |||

tan | models | One-dimensional tan function. | ||||

thaw | modeling | Allow model parameters to be varied during a fit. | ||||

t_sample | modeling | Sample the fit statistic by taking the parameter values from a Student's t-distribution. | ||||

U | ungroup | data | Turn off the grouping for a PHA data set. | |||

uniform_sample | modeling | Sample the fit statistic by taking the parameter values from an uniform distribution. | ||||

unlink | modeling | Unlink a parameter value. | ||||

unpack_arf | data | Create an ARF data structure. | ||||

unpack_arrays | data | Create a sherpa data object from arrays of data. | ||||

unpack_ascii | data | Unpack an ASCII file into a data structure. | ||||

unpack_bkg | data | Create a PHA data structure for a background data set. | ||||

unpack_data | data | Create a sherpa data object from a file. | ||||

unpack_image | data | Create an image data structure. | ||||

unpack_pha | data | Create a PHA data structure. | ||||

unpack_rmf | data | Create a RMF data structure. | ||||

unpack_table | data | Unpack a FITS binary file into a data structure. | ||||

unsubtract | data | Undo any background subtraction for the data set. | ||||

V | voigt1d | models | One dimensional Voigt profile. | |||

W | wstat | statistics | A maximum likelihood function from XSPEC | |||

X | xgal | models | Extragalactic extinction: Calzetti, Kinney and Storchi-Bergmann | |||

xsabsori | models | The XSPEC absori model: ionized absorber. | ||||

xsacisabs | models | The XSPEC acisabs model: Chandra ACIS q.e. decay. | ||||

xsagauss | models | The XSPEC agauss model: gaussian line profile in wavelength space. | ||||

xsagnsed | models | The XSPEC agnsed model: AGN SED model | ||||

xsagnslim | models | The XSPEC agnslim model: AGN super-Eddington accretion model | ||||

xsapec | models | The XSPEC apec model: APEC emission spectrum. | ||||

xsbapec | models | The XSPEC bapec model: velocity broadened APEC thermal plasma model. | ||||

xsbbodyrad | models | The XSPEC bbodyrad model: blackbody spectrum, area normalized. | ||||

xsbbody | models | The XSPEC bbody model: blackbody spectrum. | ||||

xsbexrav | models | The XSPEC bexrav model: reflected e-folded broken power law, neutral medium. | ||||

xsbexriv | models | The XSPEC bexriv model: reflected e-folded broken power law, ionized medium. | ||||

xsbkn2pow | models | The XSPEC bkn2pow model: broken power law with two breaks. | ||||

xsbknpower | models | The XSPEC bknpower model: broken power law. | ||||

xsbmc | models | The XSPEC bmc model: Comptonization by relativistic matter. | ||||

xsbremss | models | The XSPEC bremss model: thermal bremsstrahlung. | ||||

xsbrnei | models | The XSPEC brnei model: velocity-broadened non-equilibrium recombining collisional plasma. | ||||

xsbtapec | models | The XSPEC btapec model: velocity broadened APEC emission spectrum with separate continuum and line temperatures. | ||||

xsbvapec | models | The XSPEC bvapec model: velocity broadened APEC thermal plasma model. | ||||

xsbvrnei | models | The XSPEC bvrnei model: velocity-broadened non-equilibrium recombining collisional plasma. | ||||

xsbvtapec | models | The XSPEC bvtapec model: velocity broadened APEC emission spectrum with separate continuum and line temperatures. | ||||

xsbvvapec | models | The XSPEC bvvapec model: velocity broadened APEC thermal plasma model. | ||||

xsbvvrnei | models | The XSPEC bvvrnei model: velocity-broadened non-equilibrium recombining collisional plasma. | ||||

xsbvvtapec | models | The XSPEC bvvtapec model: velocity broadened APEC emission spectrum with separate continuum and line temperatures. | ||||

xsbwcycl | models | The XSPEC bwcycl model: Becker-Wolff self-consistent cyclotron line model. | ||||

xsc6mekl | models | The XSPEC c6mekl model: differential emission measure using Chebyshev representations with multi-temperature mekal. | ||||

xsc6pmekl | models | The XSPEC c6pmekl model: differential emission measure using Chebyshev representations with multi-temperature mekal. | ||||

xsc6pvmkl | models | The XSPEC c6pvmkl model: differential emission measure using Chebyshev representations with multi-temperature mekal. | ||||

xsc6vmekl | models | The XSPEC c6vmekl model: differential emission measure using Chebyshev representations with multi-temperature mekal. | ||||

xscabs | models | The XSPEC cabs model: Optically-thin Compton scattering. | ||||

xscarbatm | models | The XSPEC carbatm model: Nonmagnetic carbon atmosphere of a neutron star. | ||||

xscemekl | models | The XSPEC cemekl model: plasma emission, multi-temperature using mekal. | ||||

xscevmkl | models | The XSPEC cevmkl model: plasma emission, multi-temperature using mekal. | ||||

xscflow | models | The XSPEC cflow model: cooling flow. | ||||

xscflux | models | The XSPEC cflux convolution model: calculate flux | ||||

xsclumin | models | The XSPEC clumin convolution model: calculate luminosity | ||||

xscompbb | models | The XSPEC compbb model: Comptonization, black body. | ||||

xscompls | models | The XSPEC compLS model: Comptonization, Lamb & Sanford. | ||||

xscompmag | models | The XSPEC compmag model: Thermal and bulk Comptonization for cylindrical accretion onto the polar cap of a magnetized neutron star. | ||||

xscompps | models | The XSPEC compPS model: Comptonization, Poutanen & Svenson. | ||||

xscompst | models | The XSPEC compST model: Comptonization, Sunyaev & Titarchuk. | ||||

xscomptb | models | The XSPEC comptb model: Thermal and bulk Comptonization of a seed blackbody-like spectrum. | ||||

xscompth | models | The XSPEC compth model: Paolo Coppi's hybrid (thermal/non-thermal) hot plasma emission models. | ||||

xscomptt | models | The XSPEC compTT model: Comptonization, Titarchuk. | ||||

xsconstant | models | The XSPEC constant model: energy-independent factor. | ||||

xscpflux | models | The XSPEC cpflux convolution model: calculate photon flux | ||||

xscph | models | The XSPEC cph model: Cooling + heating model for cool core clusters | ||||

xscplinear | models | The XSPEC cplinear model: a non-physical piecewise-linear model for low count background spectra. | ||||

xscutoffpl | models | The XSPEC cutoffpl model: power law, high energy exponential cutoff. | ||||

xscyclabs | models | The XSPEC cyclabs model: absorption line, cyclotron. | ||||

xsdiskbb | models | The XSPEC diskbb model: accretion disk, multi-black body components. | ||||

xsdiskir | models | The XSPEC diskir model: Irradiated inner and outer disk. | ||||

xsdiskline | models | The XSPEC diskline model: accretion disk line emission, relativistic. | ||||

xsdiskm | models | The XSPEC diskm model: accretion disk with gas pressure viscosity. | ||||

xsdisko | models | The XSPEC disko model: accretion disk, inner, radiation pressure viscosity. | ||||

xsdiskpbb | models | The XSPEC diskpbb model: accretion disk, power-law dependence for T(r). | ||||

xsdiskpn | models | The XSPEC diskpn model: accretion disk, black hole, black body. | ||||

xsdisk | models | The XSPEC disk model: accretion disk, black body. | ||||

xsdust | models | The XSPEC dust model: dust scattering. | ||||

xsedge | models | The XSPEC edge model: absorption edge. | ||||

xseplogpar | models | The XSPEC eplogpar model: log-parabolic blazar model with nu-Fnu normalization. | ||||

xseqpair | models | The XSPEC eqpair model: Paolo Coppi's hybrid (thermal/non-thermal) hot plasma emission models. | ||||

xseqtherm | models | The XSPEC eqtherm model: Paolo Coppi's hybrid (thermal/non-thermal) hot plasma emission models. | ||||

xsequil | models | The XSPEC equil model: collisional plasma, ionization equilibrium. | ||||

xsexpabs | models | The XSPEC expabs model: exponential roll-off at low E. | ||||

xsexpdec | models | The XSPEC expdec model: exponential decay. | ||||

xsexpfac | models | The XSPEC expfac model: exponential modification. | ||||

xsezdiskbb | models | The XSPEC ezdiskbb model: multiple blackbody disk model with zero-torque inner boundary. | ||||

xsgabs | models | The XSPEC gabs model: gaussian absorption line. | ||||

xsgadem | models | The XSPEC gadem model: plasma emission, multi-temperature with gaussian distribution of emission measure. | ||||

xsgaussian | models | The XSPEC gaussian model: gaussian line profile. | ||||

xsgnei | models | The XSPEC gnei model: collisional plasma, non-equilibrium, temperature evolution. | ||||

xsgrad | models | The XSPEC grad model: accretion disk, Schwarzschild black hole. | ||||

xsgrbcomp | models | The XSPEC grbcomp model: Comptonization for GRB prompt emission. | ||||

xsgrbjet | models | The XSPEC grbjet model: Two-phase Comptonization model of soft thermal seed photons for GRB prompt emission | ||||

xsgrbm | models | The XSPEC grbm model: gamma-ray burst continuum. | ||||

xsgsmooth | models | The XSPEC gsmooth convolution model: gaussian smoothing | ||||

xshatm | models | The XSPEC hatm model: Nonmagnetic hydrogen atmosphere of a neutron star. | ||||

xsheilin | models | The XSPEC heilin model: Voigt absorption profiles for He I series. | ||||

xshighecut | models | The XSPEC highecut model: high-energy cutoff. | ||||

xshrefl | models | The XSPEC hrefl model: reflection model. | ||||

xsireflect | models | The XSPEC ireflect convolution model: reflection from ionized material | ||||

xsismabs | models | The XSPEC ismabs model: A high resolution ISM absorption model with variable columns for individual ions. | ||||

xsismdust | models | The XSPEC ismdust model: Extinction due to a power-law distribution of dust grains. | ||||

xsjet | models | The XSPEC jet model: Leptonic relativistic jet model. | ||||

xskdblur2 | models | The XSPEC kdblur2 convolution model: convolve with the laor2 model | ||||

xskdblur | models | The XSPEC kdblur convolution model: convolve with the laor model | ||||

xskerrbb | models | The XSPEC kerrbb model: multi-temperature blackbody model for thin accretion disk around a Kerr black hole. | ||||

xskerrconv | models | The XSPEC kerrconv convolution model: accretion disk line shape with BH spin as free parameter | ||||

xskerrdisk | models | The XSPEC kerrdisk model: accretion disk line emission with BH spin as free parameter. | ||||

xskerrd | models | The XSPEC kerrd model: optically thick accretion disk around a Kerr black hole. | ||||

xskyconv | models | The XSPEC kyconv convolution model: convolution using a relativistic line from axisymmetric accretion disk | ||||

xskyrline | models | The XSPEC kyrline model: relativistic line from axisymmetric accretion disk | ||||

xslaor2 | models | The XSPEC laor2 model: accretion disk with broken-power law emissivity profile, black hole emission line. | ||||

xslaor | models | The XSPEC laor model: accretion disk, black hole emission line. | ||||

xslog10con | models | The XSPEC log10con model: Constant in base 10 log units. | ||||

xslogconst | models | The XSPEC logconst model: Constant in log units. | ||||

xslogpar | models | The XSPEC logpar model: log-parabolic blazar model. | ||||

xslorentz | models | The XSPEC lorentz model: lorentz line profile. | ||||

xslsmooth | models | The XSPEC lsmooth convolution model: lorentzian smoothing | ||||

xslyman | models | The XSPEC lyman model: Voigt absorption profiles for H I or He II Lyman series. | ||||

xsmekal | models | The XSPEC mekal model: emission, hot diffuse gas (Mewe-Kaastra-Liedahl). | ||||

xsmeka | models | The XSPEC meka model: emission, hot diffuse gas (Mewe-Gronenschild). | ||||

xsmkcflow | models | The XSPEC mkcflow model: cooling flow, mekal. | ||||

xsnei | models | The XSPEC nei model: collisional plasma, non-equilibrium, constant temperature. | ||||

xsnlapec | models | The XSPEC nlapec model: continuum-only APEC emission spectrum. | ||||

xsnotch | models | The XSPEC notch model: absorption line, notch. | ||||

xsnpshock | models | The XSPEC npshock model: shocked plasma, plane parallel, separate ion, electron temperatures. | ||||

xsnsagrav | models | The XSPEC nsagrav model: NS H atmosphere model for different g. | ||||

xsnsatmos | models | The XSPEC nsatmos model: NS Hydrogen Atmosphere model with electron conduction and self-irradiation. | ||||

xsnsa | models | The XSPEC nsa model: neutron star atmosphere. | ||||

xsnsmaxg | models | The XSPEC nsmaxg model: neutron star with a magnetic atmosphere. | ||||

xsnsmax | models | The XSPEC nsmax model: Neutron Star Magnetic Atmosphere. | ||||

xsnsx | models | The XSPEC nsx model: neutron star with a non-magnetic atmosphere. | ||||

xsnteea | models | The XSPEC nteea model: non-thermal pair plasma. | ||||

xsnthcomp | models | The XSPEC nthComp model: Thermally comptonized continuum. | ||||

xsolivineabs | models | The XSPEC olivineabs model: Absorption due to olivine. | ||||

xsoptxagnf | models | The XSPEC optxagnf model: Colour temperature corrected disc and energetically coupled Comptonisation model for AGN. | ||||

xsoptxagn | models | The XSPEC optxagn model: Colour temperature corrected disc and energetically coupled Comptonisation model for AGN. | ||||

xspartcov | models | The XSPEC partcov convolution model: partial covering | ||||

xspcfabs | models | The XSPEC pcfabs model: partial covering fraction absorption. | ||||

xspegpwrlw | models | The XSPEC pegpwrlw model: power law, pegged normalization. | ||||

xspexmon | models | The XSPEC pexmon model: neutral Compton reflection with self-consistent Fe and Ni lines. | ||||

xspexrav | models | The XSPEC pexrav model: reflected powerlaw, neutral medium. | ||||

xspexriv | models | The XSPEC pexriv model: reflected powerlaw, neutral medium. | ||||

xsphabs | models | The XSPEC phabs model: photoelectric absorption. | ||||

xsplabs | models | The XSPEC plabs model: power law absorption. | ||||

xsplcabs | models | The XSPEC plcabs model: powerlaw observed through dense, cold matter. | ||||

xsposm | models | The XSPEC posm model: positronium continuum. | ||||

xspowerlaw | models | The XSPEC powerlaw model: power law photon spectrum. | ||||

xspshock | models | The XSPEC pshock model: plane-parallel shocked plasma, constant temperature. | ||||

xspwab | models | The XSPEC pwab model: power-law distribution of neutral absorbers. | ||||

xsqsosed | models | The XSPEC qsosed model: AGN SED model | ||||

xsraymond | models | The XSPEC raymond model: emission, hot diffuse gas, Raymond-Smith. | ||||

xsrdblur | models | The XSPEC rdblur convolution model: convolve with the diskline model shape | ||||

xsredden | models | The XSPEC redden model: interstellar extinction. | ||||

xsredge | models | The XSPEC redge model: emission, recombination edge. | ||||

xsreflect | models | The XSPEC reflect convolution model: reflection from neutral material | ||||

xsrefsch | models | The XSPEC refsch model: reflected power law from ionized accretion disk. | ||||

xsrfxconv | models | The XSPEC rfxconv convolution model: angle-dependent reflection from an ionized disk | ||||

xsrgsxsrc | models | The XSPEC rgsxsrc convolution model: convolve an RGS spectrum for extended emission. | ||||

xsrnei | models | The XSPEC rnei model: non-equilibrium recombining collisional plasma. | ||||

xssedov | models | The XSPEC sedov model: sedov model, separate ion/electron temperature. | ||||

xssimpl | models | The XSPEC simpl convolution model: comptonization of a seed spectrum. | ||||

xssirf | models | The XSPEC sirf model: self-irradiated funnel. | ||||

xsslimbh | models | The XSPEC slimbh model: Stationary slim accretion disk. | ||||

xssmedge | models | The XSPEC smedge model: smeared edge. | ||||

xssnapec | models | The XSPEC snapec model: galaxy cluster spectrum using SN yields. | ||||

xsspexpcut | models | The XSPEC spexpcut model: super-exponential cutoff absorption. | ||||

xsspline | models | The XSPEC spline model: spline modification. | ||||

xssrcut | models | The XSPEC srcut model: synchrotron spectrum, cutoff power law. | ||||

xssresc | models | The XSPEC sresc model: synchrotron spectrum, cut off by particle escape. | ||||

xsssa | models | The XSPEC ssa model: Strangeon star atmosphere. | ||||

xssss_ice | models | The XSPEC sss_ice model: Einstein SSS ice absorption. | ||||

xsstep | models | The XSPEC step model: step function convolved with gaussian. | ||||

xsswind1 | models | The XSPEC swind1 model: absorption by partially ionized material with large velocity shear. | ||||

xstapec | models | The XSPEC tapec model: APEC emission spectrum with separate continuum and line temperatures. | ||||

xstbabs | models | The XSPEC TBabs model: ISM grain absorption. | ||||

xstbfeo | models | The XSPEC TBfeo model: ISM grain absorption. | ||||

xstbgas | models | The XSPEC TBgas model: ISM grain absorption. | ||||

xstbgrain | models | The XSPEC TBgrain model: ISM grain absorption. | ||||

xstbpcf | models | The XSPEC TBpcf model: ISM grain absorption. | ||||

xstbrel | models | The XSPEC TBrel model: ISM grain absorption. | ||||

xstbvarabs | models | The XSPEC TBvarabs model: ISM grain absorption. | ||||

xsthcomp | models | The XSPEC thcomp convolution model: Thermally comptonized continuum. | ||||

xsuvred | models | The XSPEC uvred model: interstellar extinction, Seaton Law. | ||||

xsvapec | models | The XSPEC vapec model: APEC emission spectrum. | ||||

xsvarabs | models | The XSPEC varabs model: photoelectric absorption. | ||||

xsvashift | models | The XSPEC vashift convolution model: velocity shift an additive model. | ||||

xsvbremss | models | The XSPEC vbremss model: thermal bremsstrahlung. | ||||

xsvcph | models | The XSPEC vcph model: Cooling + heating model for cool core clusters | ||||

xsvequil | models | The XSPEC vequil model: collisional plasma, ionization equilibrium. | ||||

xsvgadem | models | The XSPEC vgadem model: plasma emission, multi-temperature with gaussian distribution of emission measure. | ||||

xsvgnei | models | The XSPEC vgnei model: collisional plasma, non-equilibrium, temperature evolution. | ||||

xsvmcflow | models | The XSPEC vmcflow model: cooling flow, mekal. | ||||

xsvmekal | models | The XSPEC vmekal model: emission, hot diffuse gas (Mewe-Kaastra-Liedahl). | ||||

xsvmeka | models | The XSPEC vmeka model: emission, hot diffuse gas (Mewe-Gronenschild). | ||||

xsvmshift | models | The XSPEC vmshift convolution model: velocity shift a multiplicative model. | ||||

xsvnei | models | The XSPEC vnei model: collisional plasma, non-equilibrium, constant temperature. | ||||

xsvnpshock | models | The XSPEC vnpshock model: shocked plasma, plane parallel, separate ion, electron temperatures. | ||||

xsvoigt | models | The XSPEC voigt model: Voigt line profile. | ||||

xsvphabs | models | The XSPEC vphabs model: photoelectric absorption. | ||||

xsvpshock | models | The XSPEC vpshock model: plane-parallel shocked plasma, constant temperature. | ||||

xsvraymond | models | The XSPEC vraymond model: emission, hot diffuse gas, Raymond-Smith. | ||||

xsvrnei | models | The XSPEC vrnei model: non-equilibrium recombining collisional plasma. | ||||

xsvsedov | models | The XSPEC vsedov model: sedov model, separate ion/electron temperature. | ||||

xsvtapec | models | The XSPEC vtapec model: APEC emission spectrum with separate continuum and line temperatures. | ||||

xsvvapec | models | The XSPEC vvapec model: APEC emission spectrum. | ||||

xsvvgnei | models | The XSPEC vvgnei model: collisional plasma, non-equilibrium, temperature evolution. | ||||

xsvvnei | models | The XSPEC vvnei model: collisional plasma, non-equilibrium, constant temperature. | ||||

xsvvnpshock | models | The XSPEC vvnpshock model: shocked plasma, plane parallel, separate ion, electron temperatures. | ||||

xsvvpshock | models | The XSPEC vvpshock model: plane-parallel shocked plasma, constant temperature. | ||||

xsvvrnei | models | The XSPEC vvrnei model: non-equilibrium recombining collisional plasma. | ||||

xsvvsedov | models | The XSPEC vvsedov model: sedov model, separate ion/electron temperature. | ||||

xsvvtapec | models | The XSPEC vvtapec model: APEC emission spectrum with separate continuum and line temperatures. | ||||

xsvvwdem | models | The XSPEC vvwdem model: plasma emission, multi-temperature with power-law distribution of emission measure. | ||||

xsvwdem | models | The XSPEC vwdem model: plasma emission, multi-temperature with power-law distribution of emission measure. | ||||

xswabs | models | The XSPEC wabs model: photoelectric absorption, Wisconsin cross-sections. | ||||

xswdem | models | The XSPEC wdem model: plasma emission, multi-temperature with power-law distribution of emission measure. | ||||

xswndabs | models | The XSPEC wndabs model: photo-electric absorption, warm absorber. | ||||

xsxilconv | models | The XSPEC xilconv convolution model: angle-dependent reflection from an ionized disk | ||||

xsxion | models | The XSPEC xion model: reflected spectrum of photo-ionized accretion disk/ring. | ||||

xsxscat | models | The XSPEC xscat model: dust scattering. | ||||

xszagauss | models | The XSPEC zagauss model: gaussian line profile in wavelength space. | ||||

xszashift | models | The XSPEC zashift convolution model: redshift an additive model. | ||||

xszbabs | models | The XSPEC zbabs model: EUV ISM attenuation. | ||||

xszbbody | models | The XSPEC zbbody model: blackbody spectrum. | ||||

xszbknpower | models | The XSPEC zbknpower model: broken power law. | ||||

xszbremss | models | The XSPEC zbremss model: thermal bremsstrahlung. | ||||

xszcutoffpl | models | The XSPEC zcutoffpl model: power law, high energy exponential cutoff. | ||||

xszdust | models | The XSPEC zdust model: extinction by dust grains. | ||||

xszedge | models | The XSPEC zedge model: absorption edge. | ||||

xszgauss | models | The XSPEC zgauss model: gaussian line profile. | ||||

xszhighect | models | The XSPEC zhighect model: high-energy cutoff. | ||||

xszigm | models | The XSPEC zigm model: UV/Optical attenuation by the intergalactic medium. | ||||

xszkerrbb | models | The XSPEC zkerrbb model: multi-temperature blackbody model for thin accretion disk around a Kerr black hole. | ||||

xszlogpar | models | The XSPEC zlogpar model: log-parabolic blazar model. | ||||

xszmshift | models | The XSPEC zmshift convolution model: redshift a multiplicative model. | ||||

xszpcfabs | models | The XSPEC zpcfabs model: partial covering fraction absorption. | ||||

xszphabs | models | The XSPEC zphabs model: photoelectric absorption. | ||||

xszpowerlw | models | The XSPEC zpowerlw model: redshifted power law photon spectrum. | ||||

xszredden | models | The XSPEC zredden model: redshifted version of redden. | ||||

xszsmdust | models | The XSPEC zsmdust model: extinction by dust grains in starburst galaxies. | ||||

xsztbabs | models | The XSPEC zTBabs model: ISM grain absorption. | ||||

xszvarabs | models | The XSPEC zvarabs model: photoelectric absorption. | ||||

xszvfeabs | models | The XSPEC zvfeabs model: photoelectric absorption with free Fe edge energy. | ||||

xszvphabs | models | The XSPEC zvphabs model: photoelectric absorption. | ||||

xszwabs | models | The XSPEC zwabs model: photoelectric absorption, Wisconsin cross-sections. | ||||

xszwndabs | models | The XSPEC zwndabs model: photo-electric absorption, warm absorber. | ||||

xszxipab | models | The XSPEC zxipab model: power-law distribution of ionized absorbers. | ||||

xszxipcf | models | The XSPEC zxipcf model: partial covering absorption by partially ionized material. | ||||

xs | models | XSPEC model functions. |