Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..627s&link_type=abstract
In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 627-631 (SEE N90-25711 19-89)
Astronomy and Astrophysics
Astronomy
24
Accretion Disks, Neutron Stars, Radio Bursts, Stellar Atmospheres, Stellar Models, Stellar Temperature, Compton Effect, Radiative Transfer, Stellar Luminosity, Stellar Mass Accretion, X Ray Astronomy, X Ray Binaries, X Ray Spectra
Scientific paper
The X ray emission from accretion disks in low mass X ray binaries is discussed. The effects of transfer radiation and comptonization are taken into account. It is assumed that the atmosphere of a neutron star consists of two layers. The upper one is much hotter than the lower one. The presence of accretion is required. Self-consistent calculations of the spectrum of outgoing radiation for a wide range of luminosities and temperatures of the hot upper layer are presented. The observations proved to be consistent with the models whose hot layer temperature is of the order of 4 keV and the luminosity level is relatively low.
Sunyaev Rashid A.
Titarchuk Lew
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