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Studies of NGC 6067 and IC 2944

Published online by Cambridge University Press:  14 August 2015

A. D. Thackeray
A. D. Thackeray*
Affiliation:
Radcliffe Observatory

Extract

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NGC 6067 is a very rich cluster free of nebulosity in the Norma Cloud, whose colour-magnitude array has been published by Thackeray, Wesselink, and Harding (1962). The choice of stars for measurement was highly restricted to a square approximately 10′ × 10′ of arc near the centre, so that above B = 13·0 only 10% are expected to be field stars, and between B = 15·0 and 16·0 some 20–30%.

Type
Section 1: The Galaxy
Information
Symposium - International Astronomical Union , Volume 20: The Galaxy and the Magellanic Clouds , 1964 , pp. 18 - 22
Copyright
Copyright © Australian Academy of Science 1964 

References

Herbig, G. H. (1962).— Ap. J. 135: 736–47.Google Scholar
Thackeray, A. D. (1950).— M.N. 110: 524–30.Google Scholar
Thackeray, A. D. (1955).—“Les particules solides dans les astres.” [Liège 1954.] Mém. Soc. Roy. Sci. Liège (4) 15: 437–40.Google Scholar
Thackeray, A. D., Wesselink, A. J., and Harding, G. A. (1962).— M.N. 124: 445–58.Google Scholar
Walker, M. F. (1961).— Ap. J. 133: 438–56.Google Scholar