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Deep CCD Photometry of Omega Centauri

Published online by Cambridge University Press:  19 July 2016

R. G. Noble ,
J. Buttress ,
W. K. Griffiths ,
A. J. Penny ,
R. J. Dickens  and
R. D. Cannon
R. G. Noble
Affiliation:
Physics Dept., University of Leeds
J. Buttress
Affiliation:
Physics Dept., University of Leeds
W. K. Griffiths
Affiliation:
Physics Dept., University of Leeds
A. J. Penny
Affiliation:
Rutherford Appleton Laboratory
R. J. Dickens
Affiliation:
Rutherford Appleton Laboratory
R. D. Cannon
Affiliation:
Royal Observatory, Edinburgh

Extract

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This paper presents a color magnitude diagram for the enigmatic cluster ω Centauri (NGC 5139 = C1328 − 472) tracing the main sequence down to V ~ 21.5. The spread in color on the upper main sequence is confirmed as intrinsic to the cluster. The CCD observations were made using the SAAO 1 m telescope with the UCL CCD camera and the RGO CCD camera at the prime focus of the AAT.

Type
Chapter IX. Poster Papers on Cluster Systems in Distant Galaxies. Deep Photometry and CM Diagrams
Information
Symposium - International Astronomical Union , Volume 126: The Harlow-Shapley Symposium on Globular Cluster Systems in Galaxies , 1988 , pp. 631 - 632
Copyright
Copyright © Kluwer 1988 

References

REFERENCES

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Penny, A. J. and Dickens, R. J. 1986 Monthly Notices Roy. Astron. Soc. 220, 845.Google Scholar
Vandenberg, D. A. and Bell, R. A. 1985 Astrophys. J. Suppl. 58, 561.CrossRefGoogle Scholar