SIMBAD references

2017ApJ...844...83A - Astrophys. J., 844, 83-83 (2017/July-3)

GRB 081024B and GRB 140402A: two additional short GRBs from binary neutron star mergers.

AIMURATOV Y., RUFFINI R., MUCCINO M., BIANCO C.L., PENACCHIONI A.V., PISANI G.B., PRIMORAC D., RUEDA J.A. and WANG Y.

Abstract (from CDS):

Theoretical and observational evidences for a two-fold classification of short bursts have been recently obtained: (1) short gamma-ray flashes (S-GRFs), with isotropic energy Eiso 1052 erg and no black hole (BH) formation, and (2) authentic short gamma-ray bursts (S-GRBs), with isotropic energy Eiso 1052 erg showing evidence of BH formation in the binary neutron star merging process. The signature for BH formation is the onset of high-energy (0.1-100 GeV) emission, coeval to the prompt emission, in all S-GRBs. No GeV emission is expected nor observed in S-GRFs. In this paper, we present two S-GRBs, GRB 081024B and GRB 140402A, in addition to the already identified S-GRBs, GRB 090227B, GRB 090510, and GRB 140619B. We also return to the absence of GeV emission in the S-GRB 090227B, at an angle of 71○ from the Fermi-LAT boresight. All of the correctly identified S-GRBs correlate with high-energy emission, implying no significant presence of beaming in GeV emission. The existence of a common power-law behavior in the GeV luminosities, following the BH formation, when measured in the source rest frame, points to a commonality in the mass and spin of the newly formed BHs in all S-GRBs.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): gamma-ray burst: general - gamma-ray burst: individual: (GRB 081024B, GRB 140402A) - stars: neutron - stars: neutron

Simbad objects: 11

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