Abstract
view Abstract Citations (97) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Late-Time Spectrum of the Type II Supernova 1980k Uomoto, A. ; Kirshner, R. P. Abstract The physical conditions in the preremnant supernova are studied by examining spectrophotometric observations of the Type II supernova 1980k in NGC 6946 obtained to age 650 days in maximum light. The spectrophotometry shows that the H-alpha flux declined exponentially with a mean lifetime of 108 days. The results suggest that radioactive decay of Co-56 might be directly linked to the energy source for the emission lines of the late-type Type II supernova. If true, models of these exploding stars are required to produce about 0.1 solar mass of Ni-56. Publication: The Astrophysical Journal Pub Date: September 1986 DOI: 10.1086/164540 Bibcode: 1986ApJ...308..685U Keywords: H Alpha Line; Radioactive Decay; Stellar Evolution; Stellar Spectra; Stellar Spectrophotometry; Supernovae; Cobalt Isotopes; Emission Spectra; Nickel Isotopes; Astrophysics; STARS: SUPERNOVAE full text sources ADS | data products NED (4) SIMBAD (3)
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