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Date and Time of the Query: 2019-06-20 T14:13:26 PDT
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For refcode 1988PASP..100.1405O:
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Copyright by Astronomical Society of the Pacific. Reproduced by permission
1988PASP..100.1405O STELLAR PHOTOMETRY IN THE PHOENIX DWARF GALAXY SERGIO ORTOLANI Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, 35100 Padova, Italy AND RAFFAELE G. GRATTON Osservatorio Astronomico di Roma, Via del Parco Mellini 84, 00136 Roma, Italy Received 14 May 1988 ABSTRACT CCD photometry in B and V, obtained at the ESO 2.2-m telescope, for a field in the Phoenix dwarf galaxy, is presented. Our data indicate that the galaxy is dominated by an old metal-poor population, similar to that of the galactic globular clusters M 3 and M 92. The distance modulus is somewhat uncertain ((m - M)_v_ = 23.5 +/- 0.5), but there are indications that the Phoenix dwarf galaxy belongs to the Local Group. A small amount (~10^4^M_sun_) of stars of a young population (t~10^7^ yrs) is also present. We suggest the Phoenix dwarf galaxy is a dwarf spheroidal galaxy in which a second recent burst of star formation has occurred. Key words: galaxies: individual-photometry-galaxies: Local Group
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