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Ground-based photometry for 42 Kepler-field RR Lyrae stars

Published online by Cambridge University Press:  18 February 2014

Young-Beom Jeon
Affiliation:
Korea Astronomy and Space Science Institute (KASI), Daejeon 305-348, Korea email: ybjeon@kasi.re.kr
Chow-Choong Ngeow
Affiliation:
Graduate Institution of Astronomy, National Central University, Taiwan email: cngeow@gmail.com
James M. Nemec
Affiliation:
Department of Physics & Astronomy, Camosun College, Victoria, British Columbia, Canada email: jmn@isr.bc.ca
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Abstract

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Follow-up (U)BVRI photometric observations have been carried out for 42 RR Lyrae stars in the Kepler field. The new magnitude and color information will complement the available extensive high-precision Kepler photometry and recent spectroscopic results. The photometric observations were made with the following telescopes: 1-m and 41-cm telescopes of Lulin Observatory (Taiwan), 81-cm telescope of Tenagra Observatory (Arizona, USA), 1-m telescope at the Mt. Lemmon Optical Astronomy Observatory (LOAO, Arizona, USA), 1.8-m and 15-cm telescopes at the Bohyunsan Optical Astronomy Observatory (BOAO, Korea) and 61-cm telescope at the Sobaeksan Optical Astronomy Observatory (SOAO, Korea). The observations span from 2010 to 2013, with ~200 to ~600 data points per light curve. Preliminary results of the Korean observations were presented at the 5th KASC workshop in Hungary. In this work, we analyze all observations. These observations permit the construction of full light curves for these RR Lyrae stars and can be used to derive multi-filter Fourier parameters.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2014 

References

Nemec, J. M., Smolec, R., Benkő, J. M., et al. 2011, MNRAS, 417, 1022CrossRefGoogle Scholar
Nemec, J. M., Cohen, J. G., Ripepi, V., et al. 2013, ApJ, 773, 181CrossRefGoogle Scholar