A search for hot dust in the fast moving knots in Cassiopeia A

Details A search for hot dust in the fast moving knots in Cassiopeia A A search for hot dust in the fast moving knots in Cassiopeia A

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255..552d&link_type=abstract

Astrophysical Journal, Part 1, vol. 255, Apr. 15, 1982, p. 552-556.

Astronomy and Astrophysics

Astrophysics

13

Cosmic Dust, Stellar Motions, Supernova Remnants, Cassiopeia A, Infrared Radiation

Scientific paper

The fast moving knots in the Cassiopeia A supernova remnant have unusual abundances, implying that they are composed of material from the interior of the star and are possible locations for grains formed by thermal condensation during the expansion of the remnant. Negative results from a search at 3.8 microns for emission from dust associated with these knots are reported here. The results set upper limits on the mass of hot dust and the dust-to-gas ratio in the knots.

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