Discovery of optical emission from the remnant of SN 1957D in M83

Details Discovery of optical emission from the remnant of SN 1957D in M83 Discovery of optical emission from the remnant of SN 1957D in M83

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...340l..25l&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 340, May 1, 1989, p. L25-L28. Research supported by Johns Hopkins

Astronomy and Astrophysics

Astrophysics

34

Light Emission, Spiral Galaxies, Supernova Remnants, Brightness Distribution, Charge Coupled Devices, H Alpha Line

Scientific paper

Images of the inner portion of M83, including the region surrounding the site of SN 1957D, were obtained using narrow-band interference filters for lines of H-alpha, forbidden S II, forbidden O I, and forbidden O III, as well as a continuum band centered at 6100 A. The forbidden III 4959-A, 5007-A lines have a FWHM of about 2500 km/s, confirming that the emission nebula is due to the SN. The results show the object to be the youngest ejecta-dominated SNR observed to date.

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