2006MNRAS.369L..32R

Query : 2006MNRAS.369L..32R

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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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* T Phe Mi* 00 30 26.2337742744 -46 24 33.379722396   12.46 11.43 12.43   M7e 76 0
2 SN 2003bg SN* 04 10 59.43 -31 24 50.4     15.0     SNIc 170 1
3 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
4 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
5 BD+17 4708 SB* 22 11 31.3756832854 +18 05 34.177983548 9.73 9.91 9.46 9.03 8.70 sdF8 580 0
6 NGC 7424 EmG 22 57 18.3924511080 -41 04 14.124670032   10.88 10.38 10.02 10.9 ~ 236 0
7 SN 2001ig SN* 22 57 30.69 -41 02 25.9     14.5     SNIIb 190 1

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