Journal
ASTRONOMICAL JOURNAL
Volume 123, Issue 2, Pages 840-847Publisher
UNIV CHICAGO PRESS
DOI: 10.1086/338315
Keywords
distance scale; galaxies : individual (Fornax); RR Lyrae variable; stars : variables : general
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We present a search for variable stars in the Fornax dwarf galaxy covering an area of half a square degree. We have similar to30 epochs of VI data. We found and determined periods for more than 500 RR Lyrae, 17 anomalous Cepheids, and six Population II Cepheids. In addition we have 85 candidate long-period variables, the majority of which were previously unknown. We estimate that the average metal abundance of RR Lyrae stars is [Fe/H]similar or equal to-1.6 dex.
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