BVR Photometry of Supergiant Stars in Holmberg II

Details BVR Photometry of Supergiant Stars in Holmberg II BVR Photometry of Supergiant Stars in Holmberg II

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jass...23....1s&link_type=abstract

Journal of Astronomy and Space Sciences, Vol. 23, no. 1, p. 1-10

Astronomy and Astrophysics

Astronomy

Meteor Shower, Meteor Storm, Historical Astronomy

Scientific paper

We report the photometric properties in BVR bands for the resolved bright supergiant stars in the dwarf galaxy Holmberg II. The color-magnitude diagrams and color-color diagram of 374 resolved stars indicate that the majority of the member stars are supergiant stars with a wide range of spectral type between B-K. A comparison with theoretical evolutionary tracks indicates that the supergiant stars in the observed field have progenitor masses between ˜ 10M&sun; and 20M&sun;. The exponent of luminosity function in V is in good agreement with those of the Small and Large Magellanic Clouds.

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