The spectral and temporal variability of GX 13+1

Details The spectral and temporal variability of GX 13+1 The spectral and temporal variability of GX 13+1

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.236..125s&link_type=abstract

In ESA Recent Results on Cataclysmic Variables p 125-128 (SEE N86-20287 10-93)

Astronomy and Astrophysics

Astronomy

5

Periodic Variations, Stellar Radiation, Stellar Spectra, X Ray Sources, Black Holes (Astronomy), Exosat Satellite, Galactic Bulge, Light Curve

Scientific paper

The results of an EXOSAT observation of the bright galactic bulge X-ray source GX 13+1 are reported. Short term aperiodic variability with characteristic timescales of 1sec, similar to that observed from the black hole candidate Cyg X-1, is found. The spectrum consists of 2 components and displays 2 different types of intensity correlated spectral changes, the transition between the 2 modes occurring in 1hr. The source is compared with other galactic bulge X-ray sources and with the black hole candidates in their high state.

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