Iris Beta 2.5 How-to Guide

The Iris Beta 2.5 How-to Guide serves as a roadmap for navigating the Iris SED analysis tool. It provides instructions for downloading, installing, and running the Iris application; describes the individual features and capabilities of Iris; and ties it all together in an example SED analysis session.

Download and Installation

Introduction to Iris

Iris Usage Example

Analyzing SED Data in Iris

The images and associated links below serve to visually aid you in quickly jumping to a particular sub-section of the How-to Guide.

Entry Point

Install and Run Iris	Run the SED Importer to Convert Non-standard Data Files	Load Data from File -or- Import from NED

Data Visualization

Build Wide-band SEDs	Access Metadata and Data Arrays	Set Display Preferences

Modeling and Fitting

Define Model Expressions		Choose Fit Statistic and Method
		Calculate Confidence Intervals

Saving Data

Save SED Data to File

Save a Fitted Model to File

# Specview output: created Fri Jun 03 19:17:32 EDT 2011
3C273 
Angstrom 
erg/s/cm2/Angstrom 
814.02001953125 -1.2182854551567868E-14
814.5388793945312 -1.2172663051146504E-14
815.0576782226562 -1.216247155072514E-14
815.5765380859375 -1.2152171630086528E-14
816.0953369140625 -1.2141980129665164E-14
816.6141967773438 -1.2131680209026553E-14
817.1329956054688 -1.2121488708605188E-14
817.65185546875 3.915704566148648E-15
818.170654296875 1.1919176583219393E-14
818.6895141601562 1.590925741840055E-14
...

File: /home/user/iris/examples/3c273.xml

Mon Jun 06 16:32:04 EDT 2011  Iris Beta 2.5

TARGNAME: 3C 273

Component 1: brokenpowerlaw
   F   refer  = 5000.0                                     angstroms      
       ampl   = 0.008195945 (1.0992086E-4 -6.804952E-5)    angstroms      
       index1 = -1.2218841  (0.53747505   -0.0011722799)                  
       index2 = -0.42091045 (0.004602734  -0.005547297)