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Published, Version of Record (VoR)Open Access (License Unspecified), Open
Journal article
A Large, Uniform Sample of X-ray Emitting AGN from the ROSAT All-Sky and Sloan Digital Sky Surveys: the Data Release 5 Sample
arXiv.org
15 Sep 2006
Abstract
Astron.J.133:313-329,2007 We describe further results of a program aimed to yield ~10^4 fully
characterized optical identifications of ROSAT X-ray sources. Our program
employs X-ray data from the ROSAT All-Sky Survey (RASS), and both optical
imaging and spectroscopic data from the Sloan Digital Sky Survey (SDSS).
RASS/SDSS data from 5740 deg^2 of sky spectroscopically covered in SDSS Data
Release 5 (DR5) provide an expanded catalog of 7000 confirmed quasars and other
AGN that are probable RASS identifications. Again in our expanded catalog, the
identifications as X-ray sources are statistically secure, with only a few
percent of the SDSS AGN likely to be randomly superposed on unrelated RASS
X-ray sources. Most identifications continue to be quasars and Seyfert 1s with
15<m<21 and 0.01<z<4; but the total sample size has grown to include very
substantial numbers of even quite rare AGN, e.g., now including several
hundreds of candidate X-ray emitting BL Lacs and narrow-line Seyfert 1
galaxies. In addition to exploring rare subpopulations, such a large total
sample may be useful when considering correlations between the X-ray and the
optical, and may also serve as a resource list from which to select the "best"
object (e.g., X-ray brightest AGN of a certain subclass, at a preferred
redshift or luminosity) for follow-on X-ray spectral or alternate detailed
studies.
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Details
- Title
- A Large, Uniform Sample of X-ray Emitting AGN from the ROSAT All-Sky and Sloan Digital Sky Surveys: the Data Release 5 Sample
- Creators
- Scott F Anderson - University of WashingtonBruce Margon - Space Telescope Science InstituteWolfgang Voges - High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck SocietyRichard M Plotkin - University of WashingtonDavid Syphers - University of WashingtonDaryl Haggard - University of WashingtonMatthew J Collinge - Princeton UniversityJillian Meyer - University of WashingtonMichael A Strauss - Princeton UniversityMarcel A Agueros - University of WashingtonPatrick B Hall - York UniversityL Homer - University of WashingtonZeljko Ivezic - University of WashingtonGordon T Richards - Johns Hopkins UniversityMichael W Richmond - Rochester Institute of TechnologyDonald P Schneider - Pennsylvania State UniversityGregory Stinson - University of WashingtonDaniel E. Vanden Berk - Pennsylvania State UniversityDonald G York - University of Chicago
- Publication Details
- arXiv.org
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000243132000029
- Scopus ID
- 2-s2.0-33846496167
- Other Identifier
- 991019201375104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Astronomy & Astrophysics