Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...345..498k&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 345, Oct. 1, 1989, p. 498-504.
Astronomy and Astrophysics
Astrophysics
16
Astronomical Spectroscopy, Emission Spectra, Stellar Mass Accretion, X Ray Binaries, Heao 2, Line Spectra, Stellar Coronas, Stellar Evolution, Stellar Mass
Scientific paper
The soft X-ray line emission from five low-mass X-ray binaries observed by the Einstein Observatory (HEAO 2) Objective Grating Spectrometer is examined. Observed spectra are fitted to model spectra consisting of emission from an optically thin plasma. Fits are performed using a variety of different assumptions for elemental abundances, heating and ionization mechanisms, and the distribution of gas temperature and ionization parameter. The results are discussed in the context of current models for the accretion flow in low-mass X-ray binaries.
Kahn Steve M.
Kallman Tim R.
Vrtilek Saeqa D.
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