Thick radio shell in supernova remnant DA 495 (G65.7+1.2)?

Details Thick radio shell in supernova remnant DA 495 (G65.7+1.2)? Thick radio shell in supernova remnant DA 495 (G65.7+1.2)?

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989japa...10..161v&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 10, June 1989, p. 161-172.

Astronomy and Astrophysics

Astrophysics

8

Interstellar Matter, Radio Observation, Radio Spectra, Supernova Remnants, Very Large Array (Vla), Flux Density, Infrared Radiation, Open Clusters, Star Clusters

Scientific paper

High-resolution multifrequency radio observations of DA 495 (G65.7+1.2) at 20, 49, and 92 cm wavelengths are discussed, along with IR observations. Although the remnant is shown to have a minimum near the center, its brightness distribution does not display limb brightening, giving it the characteristics of both shell-type SNRs and Crab-type SNRs. An unusually thick shell with an inner radius of 125 arcsec and an outer radius of 500 arcsec is observed. Also discussed are the role of the reverse shock in the formation of the thick shell and the association of the open cluster NGC 6834 with DA 495.

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