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The HEASARC servers are experiencing intermittent overload issues.

If you are trying to download a lot of data, please consider using the cloud. We now have a new tool that allows you to find and download data from the cloud.

Alternatively, both software and data are available on the SciServer online platform.


writefits

write information about the current fit and errors to a FITS file

Tcl script to dump a lot of useful information to a FITS file.

Syntax: writefits <FITS filename>

This script writes filenames, free parameter values and errors to one row of a FITS file. The error command should have been run on all the free parameters before running this script. If the FITS file already exists then a new row is appended.