Astronomy and Astrophysics – Astronomy
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.1204b&link_type=abstract
American Astronomical Society, AAS Meeting #212, #12.04; Bulletin of the American Astronomical Society, Vol. 40, p.205
Astronomy and Astrophysics
Astronomy
Scientific paper
We present results of a program to look for variable stars in the calibration fields of the Sloan Digital Sky Survey (SDSS). We are analyzing existing data obtained with the Photometric Telescope (PT) in support of SDSS operations. The approximately 80 fields were chosen because of the long temporal data record ---back to 1999--- and some of these fields have up to a few hundred observations. Limiting ourselves to just the calibration fields yields several hundred thousand stars to analyze to look for variability. These data were chosen as they go fainter than most of the "amateur” sky surveys and are too bright for the large aperture digital surveys (the SDSS for example). Further, the (u'g'r'i'z') filter data will aid in the analysis of the types of variables. We will describe the processing and extraction procedures and initial results of the variables found. Our outputs will include a catalog of candidate variables, including cross-reference information for previously known variables. Newly identified variables will be added to the follow-up observing program at the new APSU observatory, set to begin observations this coming fall.
We acknowledge the support of all the observers, past and present, who played a role in the collection of the data. Funding for the SDSS and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. The SDSS Web Site is {\tt http://www.sdss.org/}.
Butner Melissa
Smith Jeffrey J.
Tucker Douglas L.
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