The Haverford Variable Star Search project: Segue 2 and Segue 3

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The Haverford Variable Star Search project is being conducted with Kitt Peak National Observatory's 0.9 meter WIYN telescope. The aims of this project include: to better characterize the population of variable stars in ultra-faint Milky Way companions and tidal streams, to capitalize on RR Lyrae stars’ role as standard candles for those systems, and to search for evidence of extended tidal debris around nearby Milky Way companions. During our first observing run, we obtained B, V, and I time-series observations of the Segue 2 and Segue 3 objects over 2 nights. We present the results of this analysis. We thank NSF AST 0908446 for partial support of this work.

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