Abstract
We present a compilation of properties of the 105,783 quasars in the Sloan Digital Sky Survey Data Release 7 (DR7) quasar catalog. In this product, we compile continuum and emission line measurements around the Hα, Hβ, Mg II, and C IV regions, as well as other quantities such as radio properties, and flags indicating broad absorption line quasars, disk emitters, etc. We also compile virial black hole mass estimates based on various calibrations. For the fiducial virial mass estimates we use the Vestergaard & Peterson (VP06) calibrations for Hβ and C IV, and our own calibration for Mg II which matches the VP06 Hβ masses on average. We describe the construction of this catalog and discuss its limitations. The catalog and its future updates will be made publicly available online.
| Original language | English (US) |
|---|---|
| Article number | 45 |
| Journal | Astrophysical Journal, Supplement Series |
| Volume | 194 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jun 2011 |
| Externally published | Yes |
Keywords
- black hole physics
- galaxies: active
- quasars: general
- surveys
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science
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