Chandra X-Ray Observatory

CDA - SPIE Repository

Data Analysis Links
CDA Status
  • The archive is fully functional.
Reprocessing Status
    Reprocessing IV has been completed in December 2014.
Current Software Releases
  • ASCDSVER: 10.10.1
  • CALDBVER: 4.9.6
What's New
  • Electrical Outage on 07/28/21
    There will be a planned electrical outage Wednesday, July 28 2021, 8:00PM - 10:00PM EDT. During this time period ChaSeR and other archive interfaces will be unavailable.
  • Downtime on 6/12/21
    Due to electrical work, the public interfaces of the Chandra Data Archive will not be available on Saturday 6/12 from 4 AM to 9 PM.
  • Repro V Begins
    The fifth major reprocessing of the archive (Repro V) has started! Details can be found here.
  • Archival Target Names
    Details on the replacement of archival "bad" target names can be found here
  • Past Notices
CXO Papers Repository

The CXO Papers Repository houses peer-reviewed academic papers concerning the Chandra mission.

Here is a breakout of major paper categories:

Instruments: these cover the instruments aboard the spacecraft: relevant tabs are ACIS, HRC, HETG, LETG, HRMA, PCAD and EPHIN.
Software: these papers concern Chandra-specific software tools such as CIAO, Sherpa, ChIPS, ChaRT, etc.
Operations: these concern major ongoing efforts in support of the mission, such as the Chandra Bibliography
General Observatory: papers that are listed under four or more tabs are considered "General" Chandra papers.

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Last modified: 2020-08-11

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