The open cluster NGC 4609 behind the coalsack.
Abstract
Photoelectric observations in the UBV system are given for stars in and near the open clusters NGC 4609 and Hogg 15. NGC 4609 is at a distance of 1320 pcs and it is 6 X 10 years old. The spread of stars around its main sequence is larger than in other clusters and this may be related with the absorbing material of the Coalsack. Key words: star cluster - photometry
- Publication:
-
Publications of the Astronomical Society of the Pacific
- Pub Date:
- April 1971
- DOI:
- 10.1086/129108
- Bibcode:
- 1971PASP...83..218F