AHELP for CIAO 4.15 Sherpa
SMC extinction: the Prevot et al. 1984 model.
The interstellar extinction is calculated using the formula from  . This model is intended to be used to modify another model (e.g. by multiplying the two together). It is for use when the independent axis is in Angstrom.
>>> create_model_component("smc", "mdl") >>> print(mdl)
Create a component of the smc model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.ebv thawed 0.5 -3.40282e+38 3.40282e+38
The attribute for this object is:
When evaluated on a binned grid, the lower-edges of the bins are used for the calculation.
-  Prevot et al. 1984, A&A, 132, 389-392 http://adsabs.harvard.edu/abs/1984A%26A...132..389P
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