Other
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20916208d&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #162.08; Bulletin of the American Astronomical Society,
Other
1
Scientific paper
This report details the ongoing search for RR Lyrae stars in the Supernova Survey of the Sloan Digital Sky Survey (SDSS). The SDSS-II SN Survey covers a 2.5 degree equatorial stripe ranging from -60 to +60 degrees in RA. This corresponds to relatively high southern galactic latitudes in the anti-center direction. There are currently over five million detected objects in this survey. Many of these have nearly concurrent observations in all five ugriz filters. The current work contains data from SDSS-I calibration runs and the first year of the three year SN Survey. This represents on average roughly 20 epochs per object.
Using this sample, we explore spatial and period distributions of the RR Lyrae stars in the Galactic Halo. These distributions are compared to other surveys of RR Lyrae stars which concentrate on other components of the Galaxy. We will discuss the results to date and consider further analyses that will be conducted as this survey continues.
We would like to thank the NSF for partial support from grants AST 0607249 and AST 0406784 to Michigan State University.
Beers Timothy C.
Bramich Daniel M.
de Lee Nathan M.
Ivezic Zeljko
Smith Harold A.
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