Supernova remnants associated with an H I 'supershell' in the Perseus spiral arm

Details Supernova remnants associated with an H I 'supershell' in the Perseus spiral arm Supernova remnants associated with an H I 'supershell' in the Perseus spiral arm

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...303..465f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 303, April 1, 1986, p. 465-469.

Astronomy and Astrophysics

Astrophysics

15

Galactic Structure, Hydrogen Clouds, Milky Way Galaxy, Supernova Remnants, Nebulae, Stellar Evolution, Stellar Winds

Scientific paper

A large (280 pc diameter) H I shell has been found in the Perseus spiral arm of our Galaxy. Three old supernova remnants are associated with the shell. These are the first supernova remnants directly linked to large H I shells. All three of these supernova remnants are located within the H I shell, at least two of them are near its edge. This suggests that these supernovae are actively engaged in enlarging the H I shell, which was presumably "blown" to its present dimensions by several previous supernova remnants and/or the sustained action of interior stars with substantial stellar winds.

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