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The ACS LCID project. III. The star formation history of the Cetus dSph galaxy: a post-reionization fossil
M. Monelli, S. L Hidalgo, P. B. Stetson +12
We use deep HST/ACS observations to calculate the star formation history (SFH) of the Cetus dwarf spheroidal (dSph) galaxy. Our photometry reaches below the oldest main sequence tu…
The ACS LCID Project. II. Faint Variable Stars in the Isolated Dwarf Irregular Galaxy IC1613
Edouard J. Bernard, Matteo Monelli, Carme Gallart +6
(Abridged) We present the results of a new search for variable stars in the Local Group (LG) isolated dwarf galaxy IC1613, based on 24 orbits of F475W and F814W photometry from the…
The Recent Star Formation History of NGC 5102
Sylvie F. Beaulieu, Kenneth C. Freeman, Sebastian L. Hidalgo +2
We present Hubble Space Telescope photometry of young stars in NGC 5102, a nearby gas-rich post-starburst S0 galaxy with a bright young stellar nucleus. We use the IAC-pop/MinnIAC…