The rate of formation of white dwarfs in stellar systems

Details The rate of formation of white dwarfs in stellar systems The rate of formation of white dwarfs in stellar systems

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..550h&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 15, 1978, p. 550-558.

Astronomy and Astrophysics

Astrophysics

25

Luminous Intensity, Star Clusters, Stellar Evolution, Stellar Systems, White Dwarf Stars, Energy Conservation, Galactic Radiation, Globular Clusters, Mass Distribution, Milky Way Galaxy, Neutron Stars, Planetary Nebulae, Statistical Analysis, Stellar Models

Scientific paper

Consideration of energy conservation permits development of a simple relation between the luminosity of a stellar system and the white-dwarf formation rate in that system. The relation shows that one white dwarf is formed in the Galaxy every 3.9 years; the number of planetary nebulae in the Galaxy is set at 1600. White dwarfs comprise about 1.3 to 3.5% of the mass of galaxies, and about one-fourth of the mass of a typical globular cluster. The number of neutron stars and black holes in stellar systems is estimated by similar procedures.

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