The fate of dust grains in a shock wave originated by a SN explosion

Details The fate of dust grains in a shock wave originated by a SN explosion The fate of dust grains in a shock wave originated by a SN explosion

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982msngr..28...29d&link_type=abstract

ESO Messenger, June 1982, p. 29, 30.

Astronomy and Astrophysics

Astronomy

1

Cosmic Dust, Infrared Astronomy, Shock Heating, Stellar Spectra, Supernova Remnants, Blast Loads, Magellanic Clouds, X Ray Sources

Scientific paper

The results of a 10 and 12 micron IR survey of three supernova remnants (SNR) in the LMC in November 1982 are reported. The studies were undertaken to provide evidence for determining if in fact dust grains are present in SNR and are heated by passage of the supernova blast waves. The objects examined, N49, N63A, and N132D, are X ray sources, and have expansion velocities of 100-200 km/sec. A grain temperature of 80-300 K was calculated, but associated with a total grain mass too large to be correct. A flux of 50 mJy, however, does indicate a mass of 0.002 solar mass in a gas/dust ratio of 1000, which is an acceptable figure.

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