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Planetary Nebulae, Globular Clusters and the Galactic Halo

Published online by Cambridge University Press:  12 April 2016

Sidney Van Den Bergh
Sidney Van Den Bergh*
Affiliation:
David Dunlap Observatory, University of Toronto, Richmond Hill, Ontario, Canada

Abstract

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Planetary nebulae are used as a tracer for halo Population II stars. A comparison of the number of planetary nebulae in the galactic pole caps (|b| ≥ 45°) with the number of planetaries in globular clusters suggests that (to within a factor of 2 or 3) the galactic halo has a luminosity LB ⋍ 2 × 108L⊙. From the work of Oort it is estimated that the galactic halo has a mass of at least so that for the galactic halo.

Type
Part I / General Problems of Variables in Population II Systems
Information
International Astronomical Union Colloquium , Volume 21: Variable Stars in Globular Clusters and in Related Systems , August 1973 , pp. 26 - 28
Copyright
Copyright © Reidel 1973

References

Abell, G. O.: 1966, Astrophys. J. 144, 259.Google Scholar
Arp, H. C.: 1965, Stars and Stellar Systems 5, 401 Google Scholar
Bergh, S. van den: 1972, Astron. Astrophys. (in press).Google Scholar
Boulesteix, J. and Monnet, G.: 1970, Astron. Astrophys. 9, 350.Google Scholar
Cahn, J. H. and Kaler, J. B.: 1971, Astrophys. J. Suppl. 22, 319, (No. 189).CrossRefGoogle Scholar
Feast, M. W. and Thackeray, A. D.: 1960, Monthly Notices Roy. Astron. Soc. 120, 463.CrossRefGoogle Scholar
Gottesman, S. T. and Davies, R. D.: 1970, Monthly Notices Roy. Astron. Soc. 149, 263.Google Scholar
Innanen, K. A.: 1966, Z. Astrophys. 64, 158.Google Scholar
Küstner, F.: 1921, Veröff. astro. Inst. Univ. Bonn 15, 1.Google Scholar
Miller, J. S.: 1969, Astrophys. J. 157, 1215.CrossRefGoogle Scholar
O’Connell, D. J. K.: 1958, Stellar Populations, North Holland Pub. Co., Amsterdam, p. 533.Google Scholar
O’Dell, C. R., Peimbert, M., and Kinman, T. D.: 1964, Astrophys. J. 140, 119.Google Scholar
Oort, J. H.: 1965, IA U Trans. XIIA, 789.Google Scholar
Pease, F. G.: 1928, Publ. Astron. Soc. Pacific 40, 342.Google Scholar
Peebles, P. J. E.: 1969, Astrophys. J. 157, 1075.Google Scholar
Peebles, P. J. E. and Dickie, R. H.: 1968, Astrophys. J. 154, 891 Google Scholar
Peimbert, M.: Paper presented at the 18th Liège Symposium June 26-28, 1972.Google Scholar
Perek, L. and Kohoutek, L.: 1967, Catalogue of Galactic Planetary Nebulae, Academia Publ. House, Prague.Google Scholar
Schwarzschild, M. and Bernstein, S.: 1955, Astrophys. J. 122, 200.Google Scholar
Thackeray, A. D.: 1971, Quart. J. Roy. Astron. Soc. 12, 320.Google Scholar