The Turn-off Point of Omega Centauri
Open Access
- 1 April 1974
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 167 (1) , 51P-56P
- https://doi.org/10.1093/mnras/167.1.51p
Abstract
Photoelectric and photographic photometry to below V = 19 in the globular cluster ω Cen indicate that the main sequence turn-off point occurs at about V = 18.3, nearly four magnitudes below the horizontal branch. ω Cen thus differs from most other clusters which have been studied, since this magnitude difference is usually near 3.4 mag. Some implications are discussed briefly.Keywords
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