Light curves of SN 1998A and comparison with similar unusual SNe

S.J. Woodings, A.J. Williams, R. Martin, Ron Burman, David Blair

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8 Citations (Scopus)

Abstract

Preliminary photometric data fbr SN 1998A are presented, showing that it increased in brightness by 1.0 +/- 0.1 mag in R and I over the 80-d period following discovery. Maximum brightness occurred approximately 70 d after discovery, centred within a broad plateau-like peak lasting about 30 d. The shapes of the light curves during the entire 170-d period are similar to those of SNe 1987A and 1909A, suggesting that SNe 1998A and 1909A may also have had blue supergiant progenitors, Spectroscopic and further photometric study of SN 1998A will allow more detailed comparisons between this and other unusual Type II supernovae.
Original languageEnglish
Pages (from-to)L5-L9
JournalMonthly Notices of the Royal Astronomical Society
Volume301
Issue number1
DOIs
Publication statusPublished - 1998

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