Pritzl, Barton JArmandroff, Taft EJacoby, George HDa Costa, Gary2015-12-130004-6256http://hdl.handle.net/1885/79145We 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 variableKeywords: Cepheids; Galaxies: individual (Andromeda I, Andromeda III); Local Group; Stars: variables: other200510.1086/4283722015-12-11