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LOTIS, Super-LOTIS, SDSS and Tautenburg Observations of GRB 010921
H. S. Park, G. G. Williams, D. H. Hartmann +36
We present multi-instrument optical observations of the High Energy Transient Explorer (HETE-2)/Interplanetary Network (IPN) error box of GRB 010921. This event was the first gamma…
The Ghost of Sagittarius and Lumps in the Halo of the Milky Way
Heidi Jo Newberg, Brian Yanny, Constance M. Rockosi +16
We identify new structures in the halo of the Milky Way Galaxy from positions, colors and magnitudes of five million stars detected in the Sloan Digital Sky Survey. Most of these s…
The Sloan Digital Sky Survey Quasar Catalog I. Early Data Release
Donald P. Schneider, Gordon T. Richards, Xiaohui Fan +9
We present the first edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of the 3814 objects (3000 discovered by the SDSS) in the initial SDSS publi…
New insights on the Draco dwarf spheroidal galaxy from SDSS: a larger radius and no tidal tails
Michael Odenkirchen, Eva K. Grebel, Daniel Harbeck +3
We have investigated the spatial extent and structure of the Draco dwarf spheroidal galaxy using deep wide-field multicolor CCD photometry from the Sloan Digital Sky Survey (SDSS).…
Photometric Redshifts of Quasars
Gordon T. Richards, Michael A. Weinstein, Donald P. Schneider +3
We demonstrate that the design of the Sloan Digital Sky Survey (SDSS) filter system and the quality of the SDSS imaging data are sufficient for determining accurate and precise pho…
Composite Quasar Spectra From the Sloan Digital Sky Survey
SDSS Collaboration, Daniel E. Vanden Berk
We have created a variety of composite quasar spectra using a homogeneous data set of over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a redshift…