Chandra X-Ray Observatory
	(CXC)

CDA - Data Services

Data Analysis Links
CDA Status
  • The archive is fully functional.
Reprocessing Status
    Reprocessing IV has been completed in December 2014.
Current Software Releases
  • ASCDSVER: 10.9.2
  • CALDBVER: 4.9.3
Announcements
  • Repro V Begins
    2020-10-26
    The fifth major reprocessing of the archive (Repro V) has started! Details can be found here.
  • Archival Target Names
    2020-09-15
    Details on the replacement of archival "bad" target names can be found here
  • Chandra Footprint Service
    2018-05-14
    The new secure Footprint Service can be found here
  • Past Notices
Services for Accessing Additional Chandra Products

The CXC has several data services for accessing Chandra data beyond the direct observational datasets:

  • Chandra Footprint Service: Provides a graphical view of Chandra Sky Coverage.
  • Chandra MOCs: Multi-Order Coverage maps (MOCs) for public Chandra observations, that can be used to visualize and analyze the global Chandra footprint.
  • Chandra Source Catalog: The Chandra Source Catalog was released on 4 March 2009
  • SDSS Cross-Match Service: A cross-matching service linking Chandra and SDSS sources.
  • Bibliography: Search the literature for Chandra-related papers, using the CDA bibliography database.

This page maintained by the Chandra Data Archive (arcops@cfa.harvard.edu).

Last modified: 2020-04-06

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The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA.   Email:   cxchelp@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2019. All rights reserved.