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Mergers of neutron star-neutron star (NS-NS) or neutron star-black hole (NS-BH) binaries are candidate sources of gravitational waves (GWs). At least a fraction of the merger remnant should be a stellar mass BH with a sub-relativistic…

高能天体物理现象 · 物理学 2018-01-10 Shuai-Bing Ma , Wei-Hua Lei , He Gao , Wei Xie , Wei Chen , Bing Zhang , Ding-Xiong Wang

Knowing the Kerr parameters we can make quantitative calculations of the rotational energy of black holes. We show that Nova Sco (GRO J1655 - 40), Il Lupi (4U 1543 - 47), XTE J1550 - 564 and GS 2023 + 338 are relics of gamma-ray burst (GRB)…

天体物理学 · 物理学 2009-11-13 G. E. Brown , C. -H. Lee , E. Moreno Mendez

There are the two common candidates as the viable energy source for the central engine of long gamma-ray bursts (GRBs) and hypernovae (HNe), neutrino annihilation and magnetic fields. We investigate gravitational wave (GW) emission…

高能天体物理现象 · 物理学 2022-02-09 Yudai Suwa , Kohta Murase

GRB 190114C is the first binary-driven hypernova (BdHN) fully observed from the initial supernova appearance to the final emergence of the optical SN signal. It offers an unprecedented testing ground for the BdHN theory and it is here…

高能天体物理现象 · 物理学 2020-05-06 Jorge A. Rueda , R. Ruffini , M. Karlica , R. Moradi , Y. Wang

The merger of binary neutron stars (NS-NS) as the progenitor of short Gamma-ray bursts (GRBs) has been confirmed by the discovery of the association of the gravitational wave (GW) event GW170817 with GRB 170817A. However, the merger product…

高能天体物理现象 · 物理学 2021-04-28 Shuai-Bing Ma , Wei Xie , Bin Liao , Bin-Bin Zhang , Hou-Jun Lü , Yu Liu , Wei-Hua Lei

The detections of some long gamma-ray bursts (LGRBs) relevant to mergers of neutron star (NS)-NS or black hole (BH)-NS, as well as some short gamma-ray bursts (SGRBs) probably produced by collapsars, muddle the boundary of two categories of…

高能天体物理现象 · 物理学 2018-04-17 Cui-Ying Song , Tong Liu , Ang Li

The nature of the gamma-ray burst (GRB) central engine still remains an enigma. Entities widely believed to be capable of powering the extreme jets are magnetars and black holes. The maximum rotational energy that is available in a…

高能天体物理现象 · 物理学 2021-02-11 Vidushi Sharma , Shabnam Iyyani , Dipankar Bhattacharya

Long gamma-ray bursts (GRBs) associated with supernovae and short GRBs with Extended Emission (SGRBEE) from mergers are probably powered by black holes as a common inner engine, as their prompt GRB emission satisfies the same Amati…

高能天体物理现象 · 物理学 2015-09-09 Maurice H. P. M. van Putten

GRB 180720B, observed by {\it Fermi}-GBM, with redshift $z=0.653$, isotropic energy $E_{\rm iso}=5.92\times 10^{53}$ erg, and X-ray afterglow observed by the XRT onboard the Neil Gehrels Swift satellite, is here classified as a…

高能天体物理现象 · 物理学 2021-03-17 R. Moradi , Liang Li , J. A. Rueda , R. Ruffini , N. Sahakyan , Y. Wang

The observation of a gamma-ray burst (GRB) associated with a supernova (SN) coincides remarkably with the energy output from a binary system comprising a very massive carbon-oxygen (CO) core and an associated binary neutron star (NS) by the…

高能天体物理现象 · 物理学 2024-06-06 R. Ruffini , C. L. Bianco , Liang Li , M. T. Mirtorabi , R. Moradi , F. Rastegarnia , J. A. Rueda , S. R. Zhang , Y. Wang

A wide range of mechanisms have been proposed to supply the energy for gamma-ray bursts (GRB) at cosmological distances. It is a common misconception that some of these, notably NS-NS mergers, cannot meet the energy requirements suggested…

天体物理学 · 物理学 2009-10-30 P. Meszaros , M. J. Rees , R. A. M. J. Wijers

We present a specific scenario for the link between GRB and hypernovae, based on Blandford-Znajek extraction of black-hole spin energy. Such a mechanism requires a high angular momentum in the progenitor object. The observed association of…

天体物理学 · 物理学 2009-10-31 G. E. Brown , C. -H. Lee , R. A. M. J. Wijers , H. K. Lee , G. Israelian , H. A. Bethe

A neutrino-dominated accretion disk around a stellar-mass black hole (BH) can power a gamma-ray burst (GRB) via annihilation of neutrinos launched from the disk. For the BH hyperaccretion system, high accretion rate should trigger the…

高能天体物理现象 · 物理学 2015-12-29 Cui-Ying Song , Tong Liu , Wei-Min Gu , Shu-Jin Hou , Jian-Xiang Tian , Ju-Fu Lu

Black holes (BHs) hide themselves behind various astronomical phenomena, and their properties, i.e., mass and spin, are usually difficult to constrain. One leading candidate for the central engine model of gamma-ray bursts (GRBs) invokes a…

高能天体物理现象 · 物理学 2016-05-04 Tong Liu , Li Xue , Xiao-Hong Zhao , Fu-Wen Zhang , Bing Zhang

The energetics of the long duration GRB phenomenon is compared with models of a rotating Black Hole (BH) in a strong magnetic field generated by an accreting torus. A rough estimate of the energy extracted from a rotating BH with the…

天体物理学 · 物理学 2009-11-07 G. Barbiellini , A. Celotti , F. Longo

Kerr black holes are energetically similar to spinning tops accompanied by frame dragging in the surrounding spacetime. Frame dragging is shown herein to be a universal causal agent for producing multi-messenger emissions. We discuss high…

高能天体物理现象 · 物理学 2010-02-04 Maurice H. P. M. van Putten

The traditional interpretation of gamma ray bursts (GRBs) as originating from a single black hole has been extended by the Binary Driven Hypernova (BdHN) model, in which a GRB arises from a binary system composed of a carbon oxygen (CO)…

高能天体物理现象 · 物理学 2026-05-08 R. Ruffini , M. T. Mirtorabi , P. Chardonnet , C. L. Fryer , M. Hohmann , Yu Wang

The X-ray plateau followed by a steep decay ("internal plateau") has been observed in both long and short gamma-ray burst (GRBs), implying a millisecond magnetar operating in some GRBs. The sharp decay at the end of plateau, marking the…

高能天体物理现象 · 物理学 2017-11-15 Wei Chen , Wei Xie , Wei-Hua Lei , Yuan-Chuan Zou , Hou-Jun Lü , En-Wei Liang , He Gao , Ding-Xiong Wang

The mass-energy formula for a black hole endowed with electromagnetic structure (EMBH) is clarified for the nonrotating case. The irreducible mass $M_{\mathrm{irr}}$ is found to be independent of the electromagnetic field and explicitly…

天体物理学 · 物理学 2009-11-07 Remo Ruffini , Luca Vitagliano

One possible progenitor of short gamma-ray bursts (GRBs) is thought to be from a double neutron star (NS) merger, and the remnant of such a merger may be a supramassive NS, which is supported by rigid rotation and through its survival of…

高能天体物理现象 · 物理学 2021-05-12 Yong Yuan , Hou-Jun Lü , Hao-Yu Yuan , Shuai-Bing Ma , Wei-Hua Lei , En-Wei Liang