A Colour-Magnitude Diagram of NGC 6752
Open Access
- 1 August 1974
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 168 (2) , 345-359
- https://doi.org/10.1093/mnras/168.2.345
Abstract
A colour–magnitude diagram is presented of NGC 6752 down to V = 18.0. The turnoff point appears at V = 17.3. The blue horizontal branch extends to V = 17.5 at least. The various parameters describing the c–m diagram and other properties of the cluster have been collected in Table V. NGC 6752 resembles the globular cluster M13 in several respects. Only NGC 6397 has an apparent distance modulus (12.5) smaller than that of NGC 6752 (13.2).Keywords
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