VizieR Online Data Catalog: Improved 2Ms and 250ks Chandra catalogs (Xue+, 2016)
Abstract
The 2 Ms CDF-N consists of a total of 20 separate Chandra observations taken between 1999 November 13 and 2002 February 22 with ACIS (see Alexander et al., 2003, J/AJ/126/539).
E-CDF-S is composed of four distinct and contiguous ~250ks Chandra pointings that flank CDF-S proper, consisting of a total of nine separate observations taken between 2004 February 29 and November 20 (see Lehmer et al., 2005, J/ApJS/161/21). (4 data files).- Publication:
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VizieR Online Data Catalog
- Pub Date:
- July 2016
- DOI:
- Bibcode:
- 2016yCat..22240015X
- Keywords:
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- X-ray sources;
- Surveys;
- Redshifts;
- Cross identifications;
- Active gal. nuclei