SIMBAD references

2006MNRAS.369L..32R - Mon. Not. R. Astron. Soc., 369, L32-L36 (2006/June-2)

A post-mortem investigation of the Type IIb supernova 2001ig.

RYDER S.D., MURROWOOD C.E. and STATHAKIS R.A.

Abstract (from CDS):

We present images taken with the Gemini Multi-Object Spectrograph on Gemini-South, in excellent (<0.5 arcsec) seeing, of supernova (SN) 2001ig in NGC 7424, ∼1000 d after explosion. A point source seen at the site of the SN is shown to have colours inconsistent with being an Hii region or a SN 1993J-like remnant, but can be matched to a late-B through late-F supergiant with AV< 1. We believe this object is the massive binary companion responsible for periodic modulation in mass-loss material around the Wolf-Rayet progenitor which gave rise to significant structure in the SN radio light curve.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): binaries: general - stars: evolution - supernovae: general - supernovae: individual: SN 2001ig - galaxies: individual: NGC 7424

CDS comments: Fig 1 and Table 1 : Comparison stars are not in Simbad.

Simbad objects: 7

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