UBVR surface photometry of the late type galaxies NGC 523 and NGC 7678статья
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Дата последнего поиска статьи во внешних источниках: 10 февраля 2016 г.
Аннотация:Results of UBVR surface photometry of the two late type galaxies NGC 523 and NGC 7678 are presented. The observations were made on the 1-m telescope at Maidanak Observatory (Uzbekistan) using an electronic image converter. Regions of star formation in the galaxies are identified and studied. The composition of the stellar population in the star-forming regions is estimated using (U-B)(0)-(B-V)(0) two-color diagrams. The mechanisms stimulating star formation in NGC 523 and NGC 7678 are discussed.