SIMBAD references

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.

Abstract Copyright: ∼

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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