Stellar structures with constant local adiabatic index under extreme relativistic conditions

Details Stellar structures with constant local adiabatic index under extreme relativistic conditions Stellar structures with constant local adiabatic index under extreme relativistic conditions

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..93..247d&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 93, no. 2, June 1983, p. 247-254.

Astronomy and Astrophysics

Astrophysics

3

Adiabatic Equations, Neutron Stars, Relativistic Plasmas, Stellar Mass, Stellar Models, Stellar Structure, Equations Of State, Internal Energy, Internal Pressure, Polytropic Processes, Red Shift, Stellar Gravitation

Scientific paper

A discussion is presented concerning stellar structures with a constant local adiabatic index. An equation of state is employed in which the rest mass density leads to the derivation of relations between energy density and pressure and between internal energy and pressure, involving a constant that may be considered the local polytropic index. The local adiabatic index is found to be related to the adiabatic index through a simple relation. The maximum surface redshift value obtained is 0.614, and for bound structures a central redshift figure of less than about 8.24 is given. The model yields a maximum neutron star mass of 2.39 solar masses, and a maximum size of 13.7 km.

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