2014ApJ...785...37B

Query : 2014ApJ...785...37B

2014ApJ...785...37B - Astrophys. J., 785, 37 (2014/April-2)

SN 2010mb: direct evidence for a supernova interacting with a large amount of hydrogen-free circumstellar material.

BEN-AMI S., GAL-YAM A., MAZZALI P.A., GNAT O., MODJAZ M., RABINAK I., SULLIVAN M., BILDSTEN L., POZNANSKI D., YARON O., ARCAVI I., BLOOM J.S., HORESH A., KASLIWAL M.M., KULKARNI S.R., NUGENT P.E., OFEK E.O., PERLEY D., QUIMBY R. and XU D.

Abstract (from CDS):

We present our observations of SN 2010mb, a Type Ic supernova (SN) lacking spectroscopic signatures of H and He. SN 2010mb has a slowly declining light curve (LC) (∼600 days) that cannot be powered by 56Ni/56Co radioactivity, the common energy source for Type Ic SNe. We detect signatures of interaction with hydrogen-free circumstellar material including a blue quasi-continuum and, uniquely, narrow oxygen emission lines that require high densities (∼109/cm3). From the observed spectra and LC, we estimate that the amount of material involved in the interaction was ∼3 M☉. Our observations are in agreement with models of pulsational pair-instability SNe described in the literature.

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Journal keyword(s): stars: mass-loss - stars: Population III - supernovae: general

VizieR on-line data: <Available at CDS (J/ApJ/785/37): table1.dat>

Simbad objects: 16

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Number of rows : 16
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 SN 2007gr SN* 02 43 27.98 +37 20 44.7       12.77   SNIc 265 1
2 SN 2006gy SN* 03 17 27.06 +41 24 19.5       14.20   SNIIn 372 1
3 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
4 PSR J0537-6910 Psr 05 37 46.66 -69 10 17.1           ~ 309 1
5 SN 1997ef SN* 07 57 02.87 +49 33 41.3     16.5     SNIc-BL 281 1
6 SN 1995F SN* 09 04 57.40 +59 55 58.7     14.7     SNIb 30 1
7 SN 2006jc SN* 09 17 20.78 +41 54 32.7     13.8     SNIbn 380 1
8 SN 2007bi SN* 13 19 20.19 +08 55 44.3       18.3   SLSN-I 228 1
9 BD+26 2606 SB* 14 49 02.3593347728 +25 42 09.192358874 9.92 10.16 9.73 9.27 8.95 A5 383 0
10 PTF 10nmn SN* 15 50 02.809 -07 24 42.38           SLSN-I 35 0
11 SN 2009dc SN* 15 51 12.12 +25 42 28.0           SNIa-norm 188 1
12 SN 2010mb SN* 16 00 23.10 +37 44 57.0           SNIc 37 1
13 SDSS J160023.23+374454.8 G 16 00 23.23704 +37 44 54.8736           ~ 3 0
14 SN 1999cq SN* 18 32 07.10 +37 36 44.3     15.8     SNIb/c 59 1
15 SN 2005cl SN* 21 02 02.35 -06 17 35.7     18.3     SNIIn 34 1
16 BD+28 4211 HS* 21 51 11.0221915656 +28 51 50.367627468 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 837 0

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