Spectra and internal motions of supernova remnants and ring nebulae in the Magellanic Clouds

Details Spectra and internal motions of supernova remnants and ring nebulae in the Magellanic Clouds Spectra and internal motions of supernova remnants and ring nebulae in the Magellanic Clouds

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..422l&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, Aug.-Sept. 1981, p. 422-427.

Other

22

Interstellar Matter, Magellanic Clouds, Nebulae, Stellar Motions, Stellar Spectra, Supernova Remnants, Gas Density, Gas Temperature, H Ii Regions, Interstellar Gas, Ring Structures, Shock Waves, Stellar Spectrophotometry

Scientific paper

New data are presented and interpreted for supernova remnants (SNR) and for other large ring-nebulae in the Magellanic Clouds. Shock velocities determined for the SNRs by different methods are reasonably consistent; however, densities determined by different methods are slightly discordant, probably because of the effects of preionization, magnetic fields, or some source of excitation. Emission from the large rings, N9 and N70, may be characterized by a single temperature (about 12,000 K), which is more like the situation expected in an H II region than in a recombination zone behind a shock.

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