X-ray spectrum of the supernova remnant W49B from Exosat
Journal Article
·
· Astrophys. J.; (United States)
X-ray observations of the supernova remnant W49B made by the medium-energy detector and gas scintillation propotional counter experiments on board Exosat are presented. The detection of a very strong emission line feature at 6.7 keV indicates a thermal origin of the X-rays. Fitting the spectral data with an optically thin thermal plasma model indicates a temperature of 2 keV for the remnant. From a consideration of Exosat, Einstein, and radio data, it is suggested that the dominant observed X-ray emission comes from a reverse shock. 17 references.
- Research Organization:
- ESA, Noordwijk, Netherlands; Leicester Univ., England
- OSTI ID:
- 5658361
- Journal Information:
- Astrophys. J.; (United States), Vol. 296
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
SUPERNOVA REMNANTS
X-RAY SPECTRA
EMISSION SPECTRA
ENERGY SPECTRA
NEBULAE
SATELLITES
SCINTILLATION COUNTERS
COSMIC RADIO SOURCES
MEASURING INSTRUMENTS
RADIATION DETECTORS
SPECTRA
640103* - Astrophysics & Cosmology- Quasi-Stellar
Radio
& X-Ray Sources- (-1987)
GENERAL PHYSICS
SUPERNOVA REMNANTS
X-RAY SPECTRA
EMISSION SPECTRA
ENERGY SPECTRA
NEBULAE
SATELLITES
SCINTILLATION COUNTERS
COSMIC RADIO SOURCES
MEASURING INSTRUMENTS
RADIATION DETECTORS
SPECTRA
640103* - Astrophysics & Cosmology- Quasi-Stellar
Radio
& X-Ray Sources- (-1987)