SIMBAD references

2015MNRAS.452.2195A - Mon. Not. R. Astron. Soc., 452, 2195-2207 (2015/September-2)

LOSS's first supernova? New limits on the `impostor' SN 1997bs.


Abstract (from CDS):

We present new, late-time Hubble Space Telescope and Spitzer Space Telescope observations of the archetypal supernova (SN) impostor SN 1997bs. We show that SN 1997bs remains much fainter than its progenitor, posing a challenge for the canonical picture of late-time obscuration by dust forming in a shell ejected during the transient. The possibility that the star survived cloaked behind a dusty, steady wind is also disfavoured. The simplest explanation is that SN 1997bs was a subluminous Type IIn SN, although it is currently impossible to rule out the possibility that the star survived either behind an obscuring dusty shell ≳1 M or with a significantly decreased intrinsic luminosity. Continued monitoring of the system is the most promising means of ultimately resolving the question.

Abstract Copyright:

Journal keyword(s): stars: evolution - supergiants - supernovae: general - supernovae: individual: SN 1997bs

Simbad objects: 16

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