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Investigation of the globular star cluster NGC 6717статья
- Автор: Goranskij V.P.
- Журнал: SOVIET ASTRONOMY
- Том: 23
- Год издания: 1979
- Первая страница: 284
- Последняя страница: 289
- Аннотация: A color-magnitude diagram for the globular cluster NGC 6717 is obtained on the basis of a photoelectric sequence of nine stars. A distance of 7.6 kpc to the cluster is determined, along with an m/H metallicity index of about -1.3 and a (B-V) color excess of 0.17 mag. Integrated cluster magnitudes and colors are measured photometrically. An RR Lyrae cluster member is discovered and studied.
- Добавил в систему: Горанский Виталий Петрович