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A Preliminary Color-Magnitude Diagram for the Ursa Minor Dwarf Galaxy
Published online by Cambridge University Press: 14 August 2015
Extract
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.
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- Part VI: Galaxies and Miscellaneous Subjects
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- Copyright © Reidel 1978