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Titolo:
THE SPECTRA OF ACCRETION DISCS IN LOW-MASS X-RAY BINARIES
Autore:
ROSS RR; FABIAN AC;
Indirizzi:
COLL HOLY CROSS,DEPT PHYS WORCESTER MA 01610 UNIV CAMBRIDGE,INST ASTRON CAMBRIDGE CB3 0HA ENGLAND
Titolo Testata:
Monthly Notices of the Royal Astronomical Society
fascicolo: 2, volume: 281, anno: 1996,
pagine: 637 - 643
SICI:
0035-8711(1996)281:2<637:TSOADI>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
DISKS; EMISSION;
Keywords:
ACCRETION, ACCRETION DISCS; RADIATIVE TRANSFER; BINARIES, CLOSE; X-RAYS, STARS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
R.R. Ross e A.C. Fabian, "THE SPECTRA OF ACCRETION DISCS IN LOW-MASS X-RAY BINARIES", Monthly Notices of the Royal Astronomical Society, 281(2), 1996, pp. 637-643

Abstract

We present self-consistent models for the radiative transfer in Shakura-Sunyaev accretion discs in bright low-mass X-ray binaries (LMXBs). Our calculations include the full effects of incoherent Compton scattering and the vertical temperature structure within the disc, as well as the effects of Doppler blurring and gravitational redshift. We find that the observed X-ray spectra are well fitted by exponentially cut-off power-law models. The difference between the observed total spectrum and our calculated disc spectrum should reveal the spectrum of the disc/neutron star boundary layer and other emitting regions considered to be present in LMXBs.

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Documento generato il 07/07/20 alle ore 06:22:51