SDSS Catalog of Stars in the Draco Dwarf Spheroidal Galaxy

Details SDSS Catalog of Stars in the Draco Dwarf Spheroidal Galaxy SDSS Catalog of Stars in the Draco Dwarf Spheroidal Galaxy

2003-01-10

arxiv.org/abs/astro-ph/0301185v1

Astrophys.J.Suppl. 145 (2003) 245

Astronomy and Astrophysics

Astrophysics

To appear in ApJS 14 pages, 6 figures

Scientific paper

10.1086/367724

The Sloan Digital Sky Survey (SDSS) has scanned the entire region containing the Draco dwarf spheroidal galaxy to 23rd magnitude in g*. We present a catalog of stars found in a 453 square arcminute, elliptical region centered on the Draco dwarf spheroidal galaxy. Objects in the catalog are matched with five previously published catalogs. The catalog contains SDSS photometry for 5634 individual objects, and also the photometry from matches to any of the other catalogs. A comparison of the photometry between catalogs allows us to identify 142 candidate variable objects. One hundred and twelve of the suspected variables have colors consistent with RR Lyrae variables.

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