Old Main-Sequence Turnoff Photometry of Isolated Local Group Dwarf Galaxies: First Results of the LCID Project

Bibcode
2007ASPC..374..253G
Gallart, C.; Monelli, M.; Dolphin, A.; Bernard, E.; Drozdovsky, I.; Aparicio, A.; Cassisi, S.
Referencia bibliográfica

From Stars to Galaxies: Building the Pieces to Build Up the Universe. ASP Conference Series, Vol. 374, proceedings of the conference held 16-20 October 2006 at Istituto Veneto di Scienze, Lettere ed Arti, Venice, Italy. Edited by Antonella Vallenari, Rosaria Tantalo, Laura Portinari, and Alessia Moretti., p.253

Fecha de publicación:
12
2007
Número de autores
7
Número de autores del IAC
0
Número de citas
4
Número de citas referidas
2
Descripción
We present the project Local Cosmology from Isolated Dwarfs (LCID), aimed at deriving detailed star-formation histories for a sample of Local Group isolated dwarf galaxies. To accomplish this goal we have collected, using the ACS on board the HST, color-magnitude diagrams reaching the oldest main sequence turnoff (V ≃ 29) with good photometric accuracy. Some preliminary results from the color-magnitude diagrams, and the populations of variable stars are shown and briefly discussed. See http://www.iac.es/project/LCID
Tipo
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