Other
Scientific paper
Jun 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...293l..77d&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 293, June 15, 1985, p. L77-L81.
Other
10
Stellar Spectra, Stellar Spectrophotometry, Supernovae, Charge Coupled Devices, Image Analysis, Light Curve
Scientific paper
High-quality CCD and IDS spectra of the Type I supernova in NGC 3227 are presented. A broad-band light curve is derived from which the date and absolute magnitude at maximum light are estimated. While qualitative differences between other recent Type I's and SN 1983u are noted, it is the overall similarity of Type I spectra that remains most striking. Various features and interpretations of these spectra are discussed. Since individual features in the spectra are observed to behave differently in time, it is emphasized that in making photometric observations of Type I supernovae, care must be exercised in defining photometric bands which are representative of the mean behavior of the supernova with time.
de Robertis Michael M.
Pinto Philip A.
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