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This page provides answers to common questions about the Iris SED analysis tool; feel free to submit a new one via the VAO Helpdesk.

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General

SED Data

1. Which SED data types are supported by Iris?
2. Which SED file formats are supported by Iris?

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User Interface

Visualization & Interaction

1. How do I import my own data into Iris?
2. How do I coplot multiple spectrograms of the same source?

Fitting

1. Which models are available for fitting SED data?
2. Which fit statistics and optimization methods are available?
3. I am not able to fit SED data with zero-value uncertainties - why?

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Systems & Installation

Platform Support

1. On which computer platforms is Iris supported?