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The open cluster NGC 3293 and the OB complex in Carina
Photoelectric measures in UBVRI of 46 stars in and around the opencluster NGC 3293 are presented. A distance modulus of V(0) - M(v) equals12.1 plus or minus 0.15 (s.d.), corresponding to 2.6 kpc, was derivedfrom the photometric data for 34 member stars. This is similar todistances found for other young groups in the Carina region. One Msupergiant and one Be star are members of the cluster. The brighteststars on the main sequence are of type B1. Several stars that haveevolved away from the upper main sequence have been classified as giantsand supergiants. The age of the cluster is about 7-million years. Thestar HD 91824 (no. 1), spectral type O7 V((f)), is not a member of thegroup. The insterstellar reddening is normal in front of this cluster.
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Наблюдательные данные и астрометрия
| Созвездие: | Кит |
| Прямое восхождение: | 00h37m57.98s |
| Склонение: | -22°20'15.4" |
| Видимая звёздная величина: | 9.059 |
| Собственное движение RA: | 37.5 |
| Собственное движение Dec: | 31.4 |
| B-T magnitude: | 10.049 |
| V-T magnitude: | 9.141 |
Каталоги и обозначения:
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