About Chandra Archive Proposer Instruments & Calibration Newsletters Data Analysis HelpDesk Calibration Database NASA Archives & Centers Chandra Science Links


Chandra Data Archive Documentation

Database access documentation: arc4gl

ASC FITS conventions (Postscript)

Download statistics may be accessed here.

The Guide to Chandra Archive Data Products.

The table of data products with values for the CONTENT, HDUNAME, HDUCLASn, etc., keywords (the content.txt file).

Of special concern are the verification and validation of the integrity of the data (FITS files) distributed by the archive. The FITS File Integrity page presents a discussion of the issues involved, as well as the available tools and techniques.

The Source naming convention, developed in consultation with the IAU Clearing House.

There is a specific file naming convention for files in the ASC archive.

Archive Privileged Account application procedures ( HTML, PostScript) and application form ( PostScript).

All (or at least something) about Time and about Absolute Time in Chandra data products.



This page is maintained by the Chandra Data Archive Operations group

Last modified: 2005-05-06




The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.    Email: cxcweb@head.cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2004. All rights reserved.