599 citations
- Center for Astrophysics Harvard & SmithsonianUS5 papers
- Boston UniversityUS4 papers
- Evgeni Kharadze Georgian National Astrophysical ObservatoryGE4 papers
- Osservatorio Astrofisico di TorinoIT4 papers
- St Petersburg UniversityRU4 papers
- Telescopio Nazionale GalileoES4 papers
- Aryabhatta Research Institute of Observational SciencesIN3 papers
- Astronomical ObservatoryRS3 papers
- Brigham Young UniversityUS3 papers
- California Institute of TechnologyUS3 papers
- Goddard Space Flight CenterUS3 papers
- Institute of Astronomy and National Astronomical ObservatoryBG3 papers
Showing 2004Show all
3 papers · 1 filter
astro-ph2004★ 217 cited
Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey: 100,000 z<3 Quasars from Data Release One
Gordon T. Richards, Robert C. Nichol, Alexander G. Gray +15
We present a catalog of 100,563 unresolved, UV-excess (UVX) quasar candidates to g=21 from 2099 deg^2 of the Sloan Digital Sky Survey (SDSS) Data Release One (DR1) imaging data. Ex…
astro-ph2004★ 90 cited
An Empirical Algorithm for Broad-band Photometric Redshifts of Quasars from the Sloan Digital Sky Survey
Michael A. Weinstein, Gordon T. Richards, Donald P. Schneider +7
We present an empirical algorithm for obtaining photometric redshifts of quasars using 5-band Sloan Digital Sky Survey (SDSS) photometry. Our algorithm generates an empirical model…
astro-ph2004★ 143 cited
The WEBT BL Lacertae Campaign 2001 and its extension
M. Villata, C. M. Raiteri
BL Lacertae has been the target of four observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration. In this paper we present light curves obtained by the…