Upper mass limit for the stellar progenitor to the 1980K supernova in NGC 6946

Details Upper mass limit for the stellar progenitor to the 1980K supernova in NGC 6946 Upper mass limit for the stellar progenitor to the 1980K supernova in NGC 6946

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...257l..63t&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 257, June 15, 1982, p. L63-L66.

Astronomy and Astrophysics

Astrophysics

23

Astronomical Photography, Spiral Galaxies, Stellar Evolution, Stellar Mass, Supernovae, Hertzsprung-Russell Diagram, Stellar Luminosity, Stellar Magnitude

Scientific paper

A deep photograph of the nearby spiral galaxy NGC 6946 was taken 49 days before maximum light of the galaxy's recent Type II supernova explosion. Since there is no detectable image at the position of the supernova, an upper limit can be placed on the mass of the stellar progenitor. Although the mass estimate is somewhat uncertain due to the lack of a faint stellar sequence, the progenitor was probably less than approximately 18 solar masses.

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