The Dwarf Spheriodal Companions to M31: Variable Stars in Andromeda I and Andromeda III

Pritzl, Barton J; Armandroff, Taft E; Jacoby, George H; Da Costa, Gary

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The Dwarf Spheriodal Companions to M31: Variable Stars in Andromeda I and Andromeda III

Date

2005

Authors

Pritzl, Barton J

Armandroff, Taft E

Jacoby, George H

Da Costa, Gary

Publisher

University of Chicago Press

Abstract

We present the results of variable star searches of the M31 dwarf spheroidal (dSph) companions Andromeda I and Andromeda III using the Hubble Space Telescope. A total of 100 variable stars were found in And I, while 56 were found in And III. One variable