Abstract
The Star Formation History (SFH) of the Phoenix dwarf galaxy has been obtained using IAC-star and IAC-pop. The observations are based on WFPC2@HST. The results show a Star Formation Rate (SFR) decreasing with time and that star formation has happened in Phoenix up to 0.5 Gyr ago. The metallicity decrease with the stellar age: z >0.0007 for stars younger than 5 Gyr and z N of the star density distribution profile has been obtained as a function of the time. The results show that α N decreases smoothly with time, suggesting a sort of shrinking scenario for the evolution of Phoenix.
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