Accretion of Matter by Condensed Objects

Details Accretion of Matter by Condensed Objects Accretion of Matter by Condensed Objects

Jan 1972

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972ap%26ss..15..153m&link_type=abstract

Astrophysics and Space Science, Volume 15, Issue 1, pp.153-160

Astronomy and Astrophysics

Astrophysics

165

Scientific paper

The equations of motion for steady-state spherical symmetric flow of matter into or out of a condensed object (e.g. neutron stars, ‘black holes’, etc.) are displayed and solved for simple polytropic gases. It appears that infalling matter may be heated as hot as 1012K and that X-ray luminosities of the order of 1037 erg s-1 could result. The two fluid (electrons and ions separately) approach is also examined and it is shown that electrostatic fields of the order of 105 V m-1 are required near the surface of the object. Such fields are not strong enough to significantly modify the space-time metric.

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