Spectral Analysis of SN 1987A

Details Spectral Analysis of SN 1987A Spectral Analysis of SN 1987A

1997-05-17

arxiv.org/abs/astro-ph/9705132v1

Astronomy and Astrophysics

Astrophysics

10 pages LaTex, 6 figures encapsulated postscript, to be published in Supernova 1987A: Ten Years After, eds. M. M. Phillips an

Scientific paper

We examine the current status of the spectral analysis of SN1987A during its early stages. Issues of the shock breakout and UV flash, the density and chemical structure, and masses of different layers are discussed. A decade later, several aspects need a fresh look and interpretation. We summarize what questions have been answered and where some results disagree. Unresolved problems such as the excess of s-process elements and influence of asphericity are addressed. Finally, SN1987A is considered as a test case for using Type II as distance indicators via the Baade-Wesselink method.

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