CDA - Documentation
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The Archive
- Public Data
- Proprietary Data
- Repro III
- Repro IV
- Privacy Impact Assessment
- Release Notes
- Documentation
- Archive Operations Team
Search and Retrieve Data
Advanced Data Services
- Synopsis of Services
- Footprint Service
- Chandra MOCs
- Chandra Source Catalog
- SDSS Cross-Match Catalog
- Bibliography Search
Archive User Services
- Synopsis of Services
- Processing Status
- Special Requests
- Dataset Identifiers
- Contributed Datasets
- CXO Papers Repository
Chandra Aggregated Datasets
Publishing Chandra Results
Data Analysis Links
CDA Status
- The archive is fully functional.
Reprocessing Status
- Reprocessing has been completed for
- Phase I: 2005-11-13 to 2011-12-31
- Phase II: 2000-01-30 to 2005-11-13
Current Software Releases
- ASCDSVER: 10.8.1
- CALDBVER: 4.8.4.2
What's New
- Chandra Footprint Service
2018-05-14
The new secure Footprint Service can be found here - Global Chandra Coverage
2018-02-14
Check out the new Chandra MOC page. - Browsers security warnings
2017-12-22
Are Chandra Data Archive pages safe? See full announcement. - Past Notices
Chandra Data Archive Documentation
- 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.
- All (or at least something) about Time and about Absolute Time in Chandra data products.
