GINGA observations of dipping low mass X ray binaries

Details GINGA observations of dipping low mass X ray binaries GINGA observations of dipping low mass X ray binaries

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..607s&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 607-616 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

2

Accretion Disks, Ginga Satellite, Japanese Space Program, Satellite Observation, X Ray Absorption, X Ray Binaries, Bursts, Light Curve, Point Sources, Stellar Luminosity, Stellar Mass, Stellar Occultation, X Ray Astronomy

Scientific paper

Ginga observations of several low mass X ray binaries displaying pronounced dips of variable depth and duration in their X ray light curves are analyzed. The periodic occultation of the central X ray source by azimuthal accretion disk structure is considered. A series of spectra selected by intensity from the dip data from XB1916-053, are presented. The effects of a rapidly changing column density upon the spectral fitting results are modeled. EXO0748-676 was observed in March 1989 for three days. The source was found to be in a bright state with a 1 to 20 keV flux of 8.8 x 10 -10 erg/sqcms. The data include two eclipses, observed with high time resolution.

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