Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...173..244m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 173, no. 2, Feb. 1987, p. 244-246. NSERC-supported research.
Astronomy and Astrophysics
Astrophysics
2
Stellar Luminosity, Stellar Mass, Stellar Temperature, Supermassive Stars, Eddington Approximation, Nuclear Heat, Photoionization, Star Clusters
Scientific paper
The usual derivation of the mass-central temperature relation for supermassive stars radiating at the Eddington luminosity is in principle not self-consistent when applied to a range of masses, because the exponent and the multiplicative factor of the temperature power law representation of nuclear energy generation are dependent on central temperature of the supermassive star. Moreover, the variation of the exponent with temperature in the supermassive star is not taken into account. Here a self-consistent derivation of the power law relationships among mass, central temperature, radius and effective temperature is presented for supermassive stars radiating at their Eddington luminosity. The number of ionizing photons emitted by a single supermassive star and a cluster of stars of the same total mass is discussed.
Manuel P. W.
Mitalas R.
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