Welcome to the Chandra Data Archive The Chandra Data Archive web pages provide information on the status of processing and archiving, as well as on retrieval of data products. Access to Public Data Information about Public Data What has been released and where to find it Search and Retrieve Help on the Search and Retrieve interfaces and related links WebChaSeR A web version of ChaSeR with slightly different functionality Users outside of North America may be served from different mirrors of the CDA during data retrieval for better data transfer performance. Chandra Fast Image A simplified interface that allows the general public as well as professional astronomers quick access to images and event files ChaSeR The main CDA Search and Retrieve interface that provides access to all data products, more flexible and sophisticated than the Web version RetrievER A simple interface that allows access to Engineering Request data cdaftp The primary data products of all public Chandra observations accessible from an anonymous ftp site Special Requests Form Requests for services not available through standard interfaces CDO ObsCat Browser A temporary link to CDO's alternative Observation Catalog pages Chandra Source Catalog Chandra Source Catalog Information The Chandra Source Catalog project is under development Proprietary Data Handling of Proprietary Data The policies and practices for distribution of proprietary data; PI and CoI/O roles; how to change the CoI/O Standard Data Distribution A description of the contents of the Standard Data Distribution for proprietary data CDA and CXC-DS Information Request for Acknowledgment Acknowledging use of CXC Software and/or Chandra Data Archive What's New? What is (and has been) new in the CDA Including ChaSeR and quick access to both Chandra Deep Fields and the Neutron Star data CDA Status Information on the status of the CDA Processing Status Information on the processing status of Chandra observations Reprocessing run III Information on what has changed in the Reprocessing III version of the data Release Notes CXC-DS Automated Processing release notes Documentation Links to archive-related documents PIA CDA's Privacy Impact Assessment arcops The Chandra Data Archive Operations group Links Bibliography Searching the literature for Chandra-related papers, using the CDA bibliography database DatasetIds in Papers Help for inserting Dataset Ids in manuscripts SPIE Papers Links to full-length papers on Chandra published in SPIE proceedings CIAO For analysis of Chandra observations Caldb Download the Chandra calibration database by ftp Caldb Release Notes The release notes for the Chandra calibration database Ephemerides Quick access to Chandra ephemeris files by ftp AGASC1.5 Access to the Chandra Guide Star Catalog NVO The US National Virtual Observatory Archives Links to other archives and data services The Chandra X-Ray Observatory is one of NASA's Great Observatories: a high-resolution imaging and spectrographic telescope operating in the X-ray part of the electro-magnetic spectrum. Chandra was launched by the Space Shuttle Columbia on July 23, 1999. The Chandra Data Archive (CDA) is part of the Chandra X-Ray Observatory Science Center (CXC) which is operated for NASA by the Smithsonian Astrophysical Observatory. This page is maintained by the Chandra Data Archive Operations group

Last modified: 2008-01-22

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.