2008ApJ...688L..91M

Query : 2008ApJ...688L..91M

2008ApJ...688L..91M - Astrophys. J., 688, L91-L94 (2008/December-1)

VLT detection of a red supergiant progenitor of the type II-P supernova 2008bk.

MATTILA S., SMARTT S.J., ELDRIDGE J.J., MAUND J.R., CROCKETT R.M. and DANZIGER I.J.

Abstract (from CDS):

We report the identification of a source coincident with the position of the nearby Type II-P supernova (SN) 2008bk in high-quality optical and near-infrared preexplosion images from the ESO Very Large Telescope (VLT). The SN position in the optical and near-infrared preexplosion images is identified to within about ±70 and ±40 mas, respectively, using postexplosion Ks-band images obtained with the NAOS CONICA adaptive optics system on the VLT. The preexplosion source detected in four different bands is precisely coincident with SN 2008bk and is consistent with being dominated by a single point source. We determine the nature of the point source using the STARS stellar evolutionary models and find that its colors and luminosity are consistent with the source being a red supergiant progenitor of SN 2008bk with an initial mass of 8.5 ±1.0 M☉.

Abstract Copyright: ∼

Journal keyword(s): Stars: Evolution - Stars: Supernovae: General - supernovae: individual (SN 2008bk)

CDS comments: The HII region W13 comes from an unpublished list by Webster and is [DD80] 111 in Simbad.

Simbad objects: 17

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Number of rows : 17
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 EGGR 382 PM* 00 33 54.4629362352 -12 07 58.775300904 15.511 15.572 14.891 14.467 14.051 DC? 103 0
2 SN 2003gd SN* 01 36 42.65 +15 44 19.9     13.2     SNIIP 267 2
3 Feige 22 WD* 02 30 16.6275391056 +05 15 50.696500968 11.939 12.746 12.798 12.901 13.004 DA2.5 141 0
4 GD 50 WD* 03 48 50.1859724280 -00 58 32.290187664 12.596 13.787 14.063 14.210 14.388 DA1.2 272 1
5 Cl* Melotte 25 LH 214 LM* 04 19 41.7294179808 +16 45 22.054141044     21.05     M7 11 0
6 SN 1999em SN* 04 41 27.04 -02 51 45.2   13.79 13.7     SNIIP 727 1
7 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
8 SN 2005cs SN* 13 29 53.37 +47 10 28.2   14.5       SNIIP 450 1
9 PG 1657+078 HS* 16 59 32.2150744512 +07 43 31.412466912 13.919 14.877 15.019 15.098 15.115 sdB 56 0
10 UCAC2 31907038 * 18 42 48.2780676768 +00 06 27.779994252 20.945 17.026 15.693 14.775 13.890 ~ 10 0
11 SN 2002hh SN* 20 34 44.29 +60 07 19.0     17.18     SNIIP 158 1
12 SN 2008S ev 20 34 45.33 +60 05 58.4   19.89 18.79 17.93   SNIIn? 253 1
13 [L92b] Mark A HS* 20 43 59.2253596272 -10 47 41.696051820 11.854 13.010 13.256 13.370 13.494 sdO 75 1
14 Feige 108 HS* 23 16 12.4074790200 -01 50 35.103759540 11.671 12.736 12.973 13.079 13.218 sdB 66 0
15 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2
16 SN 2008bk SN* 23 57 50.42 -32 33 21.5           SNIIP 167 2
17 [DD80] 111 HII 23 57 56.968 -32 33 48.35           ~ 7 1

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