Other
Scientific paper
Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326l..51g&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 326, March 15, 1988, p. L51-L55.
Other
12
Light Curve, Red Shift, Stellar Spectra, Supernovae, Andromeda Constellation, Astronomical Models, Peculiar Stars, Spectrum Analysis, Stellar Evolution
Scientific paper
Supernova 1984A was a remarkable Type Ia event which exhibited extremely high-velocity material in its spectrum. The optical light curve of this supernova is marked by a rapid decline, which further distinguishes it from common Type Ia events, but the optical spectra are, apart from the persistent, unusually larger Doppler shifts, practically identical to previously well-observed Type Ia supernovae such as SN 1981B. In contrast to the extreme optical peculiarity of this supernova, the IR light curves are almost normal. Only one other Type I supernova is known to have a light curve which is as fast as SN 1984A-SN 1885 in M31, S Andromedae. S Andromedae has been classified as a peculiar Type I on account of its unusual light curve. But now that such a fast light curve is no longer unprecedented, S Andromedae can be classified as a Type Ia supernova.
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