Maximum Stellar Iron Core Mass Just Prior to Core Collapse

Details Maximum Stellar Iron Core Mass Just Prior to Core Collapse Maximum Stellar Iron Core Mass Just Prior to Core Collapse

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.2904g&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #29.04; Bulletin of the American Astronomical Society, Vol. 31, p.866

Astronomy and Astrophysics

Astronomy

Scientific paper

An analytical method of estimating the mass of a stellar iron core, just prior to core collapse, is described in this paper. The method employed depends, in part, upon the true relativistic mass increase experienced by electrons within a highly compressed iron core, just before core collapse, and is significantly different from a more typical Chandrasekhar mass limit approach. This technique produced a maximum stellar iron core mass value of 1.95 x 10(30) kg which is only slightly less than one solar mass. This mass value is very near the minimum mass found for neutron stars in a recent survey of actual neutron star masses. Although higher neutron star masses may be more typical, these higher mass neutron stars are believed to be formed as a result of fallback or accretion of additional non-ferrous matter after an initial collapse event involving an iron core having a mass no greater than 1.95 x 10(30) kg.

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