2014ApJ...784L..28N

Query : 2014ApJ...784L..28N

2014ApJ...784L..28N - Astrophys. J., 784, L28 (2014/April-1)

Jet collimation in the ejecta of double neutron star mergers: a new canonical picture of short gamma-ray bursts.

NAGAKURA H., HOTOKEZAKA K., SEKIGUCHI Y., SHIBATA M. and IOKA K.

Abstract (from CDS):

The observations of jet breaks in the afterglows of short gamma-ray bursts (SGRBs) indicate that the jet has a small opening angle of ≲ 10°. The collimation mechanism of the jet is a longstanding theoretical problem. We numerically analyze the jet propagation in the material ejected by a double neutron star (NS) merger, and demonstrate that if the ejecta mass is ≳ 10–2 M☉, the jet is well confined by the cocoon and emerges from the ejecta with the required collimation angle. Our results also suggest that there are some populations of choked (failed) SGRBs or new types of events with low luminosity. By constructing a model for SGRB 130603B, which is associated with the first kilonova/macronova candidate, we infer that the equation of state of NSs would be soft enough to provide sufficient ejecta to collimate the jet, if this event is associated with a double NS merger.

Abstract Copyright: ∼

Journal keyword(s): black hole physics - gamma-ray burst: general - gamma-ray burst: individual: 130603B - stars: neutron

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 SDSS J112848.22+170418.5 G 11 28 48.22989 +17 04 18.5014           ~ 393 0

Query : 2014ApJ...784L..28N

Basic data :
SDSS J112848.22+170418.5 -- Galaxy
Other object types: otypes_help 		G (2020ApJS,[FND2022]), gB (2018ApJ,GRB), Rad (2018MNRAS), Opt (SDSS)
ICRS coord. (ep=J2000) : 		11 28 48.22989 +17 04 18.5014 (Optical) [ ] C 2020ApJS..249....3A
FK4 coord. (ep=B1950 eq=1950) : 		11 26 11.55334 +17 20 50.5659 [ ]
Gal coord. (ep=J2000) : 		236.42460712 +68.42409732 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 88738 [150] / z(spectroscopic) 0.356800 [0.000500] / cz 106965.95 [149.90]
   (Opt) C 2022ApJ...940...56F
Fluxes (5) :
u (AB) 22.461 [0.366] D 2020ApJS..249....3A
g (AB) 22.059 [0.103] D 2020ApJS..249....3A
r (AB) 20.948 [0.063] C 2020ApJS..249....3A
i (AB) 20.708 [0.070] C 2020ApJS..249....3A
z (AB) 20.541 [0.250] D 2020ApJS..249....3A
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Identifiers (3) :
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SDSS J112848.22+170418.5 GRB 130603B [FND2022] GRB 130603B Host G

References (393 between 1850 and 2026) (Total 393)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Velocities : 1   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : SDSS J112848.22+170418.5

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SDSS J112848.22+170418.5

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