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The Main Sequence of NGC 6231 and the Calibration of Absolute Magnitudes

Published online by Cambridge University Press:  14 August 2015

R. F. Garrison
R. F. Garrison*
Affiliation:
David Dunlap Observatory, University of Toronto

Extract

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It is fitting to mark the Centennial of Henry Norris Russell's birth with a discussion of a new approach to the calibration of absolute magnitudes for MK spectral types. With the addition of the NGC 6231 main sequence down to A0, the material for the cluster fitting method using very carefully determined MK types is complete. The data will be published elsewhere (Garrison and Schild 1978).

Type
Part IV: HR Diagrams, Clusters
Information
Symposium - International Astronomical Union , Volume 80: The HR Diagram , 1978 , pp. 147 - 150
Copyright
Copyright © Reidel 1978 

References

Garrison, R.F. (1973). In Problems of Calibration of Absolute Magnitudes and Temperatures of Stars, Hauck, B. and Westerlund, B.E., eds., D. Reidel, Dordrecht, p. 124.Google Scholar
Garrison, R.F. and Schild, R.E. (1978). Astrophys. J. (submitted).Google Scholar
Morgan, W.W., Hiltner, W.A., Neff, J.S., Garrison, R.F. and Osterbrock, D.E. (1965). Astrophys. J. 142, 974.Google Scholar
Turner, D.E. (1976). Astrophys. J. 210, 65.Google Scholar