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A Preliminary Color-Magnitude Diagram for the Ursa Minor Dwarf Galaxy

Published online by Cambridge University Press:  14 August 2015

Robert A. Schommer ,
Edward W. Olszewski  and
William E. Kunkel
Robert A. Schommer
Affiliation:
University of Washington
Edward W. Olszewski
Affiliation:
University of Washington
William E. Kunkel
Affiliation:
University of Washington

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The Ursa Minor dwarf galaxy (RA = 15h08m.2, Dec = +67°18′ (1950)) was one of four dwarf ellipticals discovered by Wilson (1955) in a search of the Palomar Sky survey plates. The general properties of these galaxies resemble those of galactic globular clusters, linear size and density excepted (see Hodge, 1971, for a review). The characteristics of Ursa Minor are very similar to those of the Draco dwarf, for which a color magnitude diagram was published by Baade and Swope (1961). Van Agt (1967) published a study of the variable stars in Ursa Minor based on Baade's 200-inch plates.

Type
Part VI: Galaxies and Miscellaneous Subjects
Information
Symposium - International Astronomical Union , Volume 80: The HR Diagram , 1978 , pp. 269 - 272
Copyright
Copyright © Reidel 1978 

References

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