SIGMA hard X-ray observations of GX339-4

Details SIGMA hard X-ray observations of GX339-4 SIGMA hard X-ray observations of GX339-4

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..743b&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 13, no. 12, p. (12)743-(12)746

Astronomy and Astrophysics

Astronomy

Astronomical Models, Binary Stars, Black Holes (Astronomy), Curve Fitting, Image Analysis, Light Curve, X Ray Astronomy, X Ray Spectra, Photomasks, Satellite-Borne Instruments, X Ray Imagery, X Ray Telescopes

Scientific paper

The X-ray system GX339-4 has been observed on several occasions between March 1990 and September 1991 with the SIGMA hard X-Ray/soft gamma-ray imaging telescope (35 keV-1.3 MeV) on board the GRANAT observatory. This object was detected in hard and soft states, as well as during a transition between these two states. We analyze the spectral and temporal behavior of this black hole candidate.

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