Updates on Chandra Data Analysis and Calibration Database

Details Updates on Chandra Data Analysis and Calibration Database Updates on Chandra Data Analysis and Calibration Database

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.3401m&link_type=abstract

American Astronomical Society, HEAD meeting #10, #34.01

Astronomy and Astrophysics

Astronomy

Scientific paper

We review recent issues and improvements in Chandra data analysis, highlighting changes to the instrument and telescope calibration, the availability of new tools and scripts, and the completion of the "Repro 3" reprocessing. In CALDB 3.4.2, released in December 2007, new time dependent ACIS gain files were released. CALDB 3.4.1 (Sep 2007) included new ACIS blank sky background files as well as a new HRC-I degap geometry file. Following reprocessing of the entire archive (except for some early postlaunch observations) retrieved data should be consistent with the latest processing system, which makes a number of earlier analysis steps obsolete. Finally, we will briefly describe the forthcoming Chandra Source Catalog.

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