Is the hard tail of X rays from GX339-4 a Compton scattering component

Details Is the hard tail of X rays from GX339-4 a Compton scattering component Is the hard tail of X rays from GX339-4 a Compton scattering component

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..531m&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 531-536 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

3

Compton Effect, Energy Spectra, Stellar Spectra, Time Lag, X Ray Astronomy, X Ray Sources, Accretion Disks, Black Holes (Astronomy), Light Curve, Power Spectra, Stellar Mass Accretion, Time Functions, Time Signals, X Ray Spectra

Scientific paper

The Ginga observations of GX333-4 are examined. Two components were detected in the X ray spectrum: the X rays from an accreting disk and a hard tail component, whose energy spectrum can be represented by a Compton scattering model. The X rays showed various time scale variations. These variable components can be interpreted to be due to the hard tail. The observed lag time between the time variations of high and low energy X rays shows a particular plateau structure together with the structure of the increasing lag time with Fourier period, and the time variation of the X rays of 2.3 to 4.6 keV is most advanced.

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