X-ray spectral classification of supernova remnants in the Large Magellanic Cloud

Details X-ray spectral classification of supernova remnants in the Large Magellanic Cloud X-ray spectral classification of supernova remnants in the Large Magellanic Cloud

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255..440c&link_type=abstract

Astrophysical Journal, Part 1, vol. 255, Apr. 15, 1982, p. 440-446.

Astronomy and Astrophysics

Astrophysics

85

Magellanic Clouds, Supernova Remnants, Synchrotron Radiation, Thermal Emission, X Ray Spectra, Abundance, Astronomical Models, Emission Spectra, Plasma Temperature, Proportional Counters, Spectrum Analysis

Scientific paper

The solid state spectrometer on the Einstein Observatory was used to measure the 0.6-4.5 keV X-ray spectra of six prominent supernova remnants in the Large Magellanic Cloud, namely, N132D, N63A, N49, 0525-66.0, N157B, and 0540-69.3. Thermal emission is detected from the first four remnants and is similar in nature to that observed from young galactic SNRs. In contrast, N157B and 0540-69.3 have featureless X-ray spectra which are well described by power-law models. The present data support a synchrotron origin for the X-rays from N157B and 0540-69.3, although an alternative emission mechanism is considered for the latter object.

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