2011MNRAS.417.1417F


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.25CEST02:58:29

2011MNRAS.417.1417F - Mon. Not. R. Astron. Soc., 417, 1417-1433 (2011/October-3)

SN 2009md: another faint supernova from a low-mass progenitor.

FRASER M., ERGON M., ELDRIDGE J.J., VALENTI S., PASTORELLO A., SOLLERMAN J., SMARTT S.J., AGNOLETTO I., ARCAVI I., BENETTI S., BOTTICELLA M.-T., BUFANO F., CAMPILLAY A., CROCKETT R.M., GAL-YAM A., KANKARE E., LELOUDAS G., MAGUIRE K., MATTILA S., MAUND J.R., SALGADO F., STEPHENS A., TAUBENBERGER S. and TURATTO M.

Abstract (from CDS):

We present adaptive optics imaging of the core-collapse supernova (SN) 2009md, which we use together with archival Hubble Space Telescope data to identify a coincident progenitor candidate. We find the progenitor to have an absolute magnitude of V=-4.63+0.3–0.4 mag and a colour of V-I= 2.29+0.25–0.39mag, corresponding to a progenitor luminosity of log L/L∼ 4.54±0.19 dex. Using the stellar evolution code STARS, we find this to be consistent with a red supergiant progenitor with M= 8.5+6.5–1.5M. The photometric and spectroscopic evolution of SN 2009md is similar to that of the class of sub-luminous Type IIP SNe; in this paper we compare the evolution of SN 2009md primarily to that of the sub-luminous SN 2005cs. We estimate the mass of 56Ni ejected in the explosion to be (5.4±1.3) {x} 10–3 M from the luminosity on the radioactive tail, which is in agreement with the low 56Ni masses estimated for other sub-luminous Type IIP SNe. From the light curve and spectra, we show the SN explosion had a lower energy and ejecta mass than the normal Type IIP SN 1999em. We discuss problems with stellar evolutionary models, and the discrepancy between low observed progenitor luminosities (log L/L∼ 4.3–5 dex) and model luminosities after the second dredge-up for stars in this mass range, and consider an enhanced carbon burning rate as a possible solution. In conclusion, SN 2009md is a faint SN arising from the collapse of a progenitor close to the lower mass limit for core collapse. This is now the third discovery of a low-mass progenitor star producing a low-energy explosion and low 56Ni ejected mass, which indicates that such events arise from the lowest end of the mass range that produces a core-collapse SN (7–8 M).

Abstract Copyright: 2011 The Authors. Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: evolution - stars: massive - supernovae: general - supernovae: individual: SN 2009md - galaxies: individual: NGC 3389

Simbad objects: 34

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Number of rows : 34

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 SN 2003gd SN* 01 36 42.65 +15 44 19.9     13.2     SNIIP 224 2
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5986 1
3 SN 2001du SN* 03 33 29.11 -36 08 32.5     14.0     SNIIP 47 1
4 SN 1997D SN* 04 11 01.00 -56 29 56.0       16.3   SNIIpec 163 1
5 SN 1999em SN* 04 41 27.04 -02 51 45.2   13.79 13.7     SNIIP 603 1
6 SN 2009kr SN* 05 12 03.30 -15 41 52.2           SNII 70 1
7 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15440 1
8 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4596 2
9 SN 2006bc SN* 07 21 16.50 -68 59 57.3   17.6 16.0     SNIIP 39 1
10 2MASS J07371703+6535579 HXB 07 37 17.0439241104 +65 35 57.815731387           SNIIP 243 1
11 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1294 1
12 CXOU J095546.6+694037 HXB 09 55 46.6554840699 +69 40 37.878213478           SNIIP 43 1
13 SN 1999gi SN* 10 18 16.66 +41 26 28.2   14.8       SNIIP 213 1
14 2MASS J10481954+1230458 * 10 48 19.5480663815 +12 30 45.773798151 20.392 19.032 17.748 16.867 16.148 ~ 1 0
15 [CJF89] NGC 3384 p * 10 48 21.5672219174 +12 33 48.114384385 17.536 17.341 16.757 16.351 16.028 ~ 2 0
16 SN 2009md SN* 10 48 26.28 +12 32 02.8           SNIIP 54 2
17 2MASS J10482783+1231100 * 10 48 27.8404774302 +12 31 09.968638534 16.760 16.516 15.710 15.191 14.698 ~ 2 0
18 NGC 3389 GiG 10 48 27.9085192355 +12 31 59.649934050   12.0       ~ 210 1
19 2MASS J10482809+1232265 * 10 48 28.0979569302 +12 32 26.502380853 19.544 18.573 17.677 17.043 16.579 ~ 1 0
20 2MASS J10483156+1234196 * 10 48 31.5645379461 +12 34 19.552145571 15.156 14.922 14.283 13.866 13.552 ~ 2 0
21 2MASS J10483360+1231362 * 10 48 33.6037671719 +12 31 36.394380372 20.621 20.621 19.340 18.351 17.313 ~ 1 0
22 SN 2007aa SN* 12 00 27.69 -01 04 51.6 16.9 16.4 5.8     SNIIP 51 1
23 SN 1999an SN* 12 01 10.57 +14 06 12.3     15     SNII 26 1
24 SN 2003ie SN* 12 03 18.15 +44 31 34.6     15.2     SNIIP 34 1
25 SN 1999ev SN* 12 19 48.21336 +29 37 21.3492     14.4     SNIIP 44 1
26 SN 2006ov SN* 12 21 55.30 +04 29 16.7     14.9     SNIIP 57 1
27 SN 2008cn SN* 12 40 55.66 -40 58 12.1           SNII 32 1
28 SN 2006my SN* 12 43 40.74 +16 23 14.1     15.3     SNIIP 48 1
29 SN 1999br SN* 13 00 41.80 +02 29 45.8     17.5     SNIIPp 155 1
30 SN 2005cs SN* 13 29 53.37 +47 10 28.2   14.5       SNIIP 351 1
31 SN 2004A SN* 16 43 01.90 +36 50 12.5     15.7     SNIIP 66 1
32 SN 2002hh SN* 20 34 44.29 +60 07 19.0     17.18     SNIIP 137 1
33 SN 2004et SN* 20 35 25.33 +60 07 17.7   12.88       SNIIP 430 1
34 SN 2008bk SN* 23 57 50.42 -32 33 21.5           SNIIP 108 2

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2021.06.25-02:58:29

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