Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..432..235p&link_type=abstract
New Horizons in Astronomy: Frank N. Bash Symposium 2009, proceedings of a conference held Oct. 18-20, 2009 in Austin, Texas, USA
Astronomy and Astrophysics
Astronomy
Scientific paper
We have submitted for publication a new method of selecting candidate RR Lyrae stars using out-of-phase single epoch photometric and spectroscopic observations contained in the SDSS Data Release 6 (DR6). The technique detects variability by exploiting the large disparity between the (g-r) color and the strength of the Hydrogen Balmer lines when the two observations are made at random phase. The SDSS Stripe 82 allowed us to show that our method has a discovery efficiency of around 85%. This technique yielded over 1,000 candidates fainter than g = 14.5. We present the results of observations of several of these candidates made on the 0.8m telescope at McDonald Observatory, with 12 of 13 confirmed as variable, and one labeled as a likely RRc.
Ginn Dylan
Jastram Andrew
Muehlbrad Talitha
Powell William Lee Jr.
Wilhelm Ronald Joseph
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