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Title:
Optical identification and spectrum of the supernova remnant G292.0+1.8
Authors:
Goss, W. M.; Shaver, P. A.; Zealey, W. J.; Murdin, P.; Clark, D. H.
Affiliation:
AA(Groningen, Rijksuniversiteit, Groningen, Netherlands), AB(Groningen, Rijksuniversiteit, Groningen, Netherlands), AC(Edinburgh, Royal Observatory, Coonabarabran, New South Wales, Australia), AD(Anglo-Australian Observatory, Epping, New South Wales, Australia), AE(Royal Greenwich Observatory, Herstmonceux, Sussex, England)
Publication:
Royal Astronomical Society, Monthly Notices, vol. 188, Aug. 1979, p.357-363. (MNRAS Homepage)
Publication Date:
08/1979
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL SPECTROSCOPY, RADIO SOURCES (ASTRONOMY), SUPERNOVA REMNANTS, FORBIDDEN BANDS, INTERSTELLAR EXTINCTION, NEBULAE, NEON, NONTHERMAL RADIATION, OXYGEN SPECTRA
Comment:
A&AA ID. AAA026.125.003
Bibliographic Code:
1979MNRAS.188..357G

Abstract

Optical nebulosity has been found coincident with the nonthermal radio source G292.0+1.8. The radio properties of the source are like those of other filled-center supernova remnants. It is the third such supernova remnant discovered in the optical. The spectrum of the nebulosity shows forbidden lines of oxygen and neon, but no Balmer lines. Interstellar reddening of the nebulosity is small, E(B-V) about 0.9 mag, and its temperature high, about 36,000 K. The data suggest that G292.0+1.8 is the remnant of a comparatively recent supernova of a massive star (about 20 solar masses).

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