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SIGMA hard X-ray observations of GX339-4
- Source :
- Advances in Space Research. 13:743-746
- Publication Year :
- 1993
- Publisher :
- Elsevier BV, 1993.
-
Abstract
- 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 /1/. This object was detected in hard and soft states, as well as during a transition between these two states. We analyse the spectral and temporal behaviour of this black hole candidate.
- Subjects :
- Physics
Atmospheric Science
X-ray astronomy
Astrophysics::High Energy Astrophysical Phenomena
Granat
Aerospace Engineering
Sigma
Astronomy
Astronomy and Astrophysics
X-ray telescope
Astrophysics
law.invention
Black hole
Telescope
Geophysics
Space and Planetary Science
Observatory
law
Binary star
General Earth and Planetary Sciences
Subjects
Details
- ISSN :
- 02731177
- Volume :
- 13
- Database :
- OpenAIRE
- Journal :
- Advances in Space Research
- Accession number :
- edsair.doi...........ae168af2a4bbea552eb07995b0bf0342