Changing gravitational constant and white dwarfs

Details Changing gravitational constant and white dwarfs Changing gravitational constant and white dwarfs

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...206..213v&link_type=abstract

Astrophysical Journal, vol. 206, May 15, 1976, pt. 1, p. 213, 214.

Astronomy and Astrophysics

Astrophysics

13

Gravitational Constant, Stellar Evolution, Stellar Mass, White Dwarf Stars, Carbon, Magnesium, Stellar Luminosity, Supernovae

Scientific paper

If the gravitational constant decreases with time at a constant rate, there is a maximum possible age and a minimum possible luminosity for each white-dwarf mass. White dwarfs older and fainter than these limits would, in the past, have exceeded the white-dwarf mass limit and would have become supernovae. The rate of change of the gravitational constant recently reported by Van Flandern (1975) is compatible with the present values of these age and luminosity limits.

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