2015ApJ...809..142O

Query : 2015ApJ...809..142O

2015ApJ...809..142O - Astrophys. J., 809, 142 (2015/August-3)

The superluminous SN DES13S2cmm as a signature of a quark-nova in a He-HMXB system.

OUYED R., LEAHY D. and KONING N.

Abstract (from CDS):

We show that by appealing to a Quark-Nova (QN) (the explosive transition of a neutron star (NS) to a quark star (QS)) occurring in a helium-high-mass X-ray binary (He-HMXB) system we can account for the lightcurve of the first superluminous SN, DES13S2cmm, discovered by the Dark-energy Survey. The NS's explosive conversion is triggered as a result of accretion during the He-HMXB's second common envelope (CE) phase. The dense, relativistic, QN ejecta in turn energizes the extended He-rich CE in an inside-out shock heating process. We find an excellent fit (reduced χ² of 1.09) to the bolometric light curve of SN DES13S2cmm including the late time emission, which we attribute to black hole accretion following the conversion of the QS to a black hole.

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Journal keyword(s): supernovae: general - supernovae: individual: SN DES13S2cmm

Simbad objects: 1

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Number of rows : 1

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 2013hy	SN*	02 42 32.82	-01 21 30.1						SLSN-I	35	1

Query : 2015ApJ...809..142O

Basic data :

SN 2013hy -- SuperNova
Other object types:	`SN* (2015ApJ,SN)`
ICRS coord. (ep=J2000) :	`02 42 32.82 -01 21 30.1 [ ] D 2015MNRAS.449.1215P`
FK4 coord. (ep=B1950 eq=1950) :	`02 40 00.18 -01 34 14.3 [ ]`
Gal coord. (ep=J2000) :	`173.56650 -52.94137 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 140564 [300] / z(~) 0.663 [0.001] / cz 198762 [300] D 2015ApJ...809..142O`
Spectral type:	`SLSN-I C` `2020ApJ...904...74G`

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SN 2013hy DES13S2cmm

References (35 between 1850 and 2026) (Total 35)
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