Spectral studies of low-mass X-ray binaries observed by EXOSAT

Details Spectral studies of low-mass X-ray binaries observed by EXOSAT Spectral studies of low-mass X-ray binaries observed by EXOSAT

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984xras.rept...31s&link_type=abstract

In its Contrib. of the X-Ray Astron. Group p 31-34 (SEE N85-20952 11-89)

Astronomy and Astrophysics

Astronomy

Binary Stars, Stellar Spectra, X Ray Binaries, X Ray Sources, X Ray Spectra, Black Body Radiation, Bursts, Exosat Satellite, Luminous Intensity, Spectrum Analysis

Scientific paper

The X-ray emission of low-mass X-ray binary bursters MXB1702-43, MXB1728-34, flaring source GX17+2, and bright bulge sources 4U1705-44 and 4U1755-338, which show evidence of orbital periods was studied. In MXB1728-34 an X-ray burst was observed. The burst analysis indicates that the maximum burst flux is close to Eddington limit, and the black body radius remains constant (8.5 + or - 0,7 km, for 5kpc distance) during the decay part of the burst. There is an indication for a 4.1 keV absorption feature during burst maximum. The persistent emission can be described by a simple exponential spectrum (kT=5.6keV) with a broad emission line feature superimposed around 6keV.

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