ChandraLockmanAreaNorthSurvey(CLANS)Optical&IRCatalog

Description

This table contains the redshift catalog for the X-ray sources detected in the Chandra Lockman Area North Survey (CLANS). The redshifts for the CLANS field are all new. For fluxes above 10<sup>-14</sup> ergs cm<sup>-2</sup> s<sup>-1</sup> (2-8 keV) the authors have redshifts for 76% of the sources in the CLANS, CLASXS, and CDF-N surveys. They extend the redshift information for the full sample using photometric redshifts. The goal of the OPTX Project is to use these three surveys, which are among the most spectroscopically complete surveys to date, to analyze the effect of spectral type on the shape and evolution of the X-ray luminosity functions and to compare the optical spectral types with the X-ray spectral properties. The optical and infrared photometric catalog for the CLANS X-ray sources is presented here (see the CLANS Browse table for the X-ray information). The CLANS and CLASXS surveys bridge the gap between the ultra-deep pencil-beam surveys, such as the CDFs, and the shallower, very large-area surveys. As a result, they probe the X-ray sources that contribute the bulk of the 2-8 keV X-ray background and cover the flux range of the observed break in the log N - log S distribution. This table was created by the HEASARC in December 2008 based on the electronic version of Table 11 from the paper which was obtained from the ApJ web site. This is a service provided by NASA HEASARC .

Resources

Name Format Description Link
21 clansoid.html https://heasarc.gsfc.nasa.gov/W3Browse/all/clansoid.html
5 https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=clansoid&
5 https://heasarc.gsfc.nasa.gov%2FW3Browse%2Fall%2Fclansoid.html
5 https://heasarc.gsfc.nasa.gov%2Fxamin%2Fvo%2Fcone%3Fshowoffsets%26table%3Dclansoid%26
21 dustings_colDescriptions.html https://irsa.ipac.caltech.edu/data/SPITZER/DUSTiNGS/gator_docs/dustings_colDescriptions.html
5 https://irsa.ipac.caltech.edu/SCS?table=dustingsfull&

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