IHEP OpenIR  > 引力波暴高能电磁对应体全天监测器(GECAM)
Viewing Angle Constraints on S190425z and S190426c and the Joint Gravitational-wave/Gamma-Ray Detection Fractions for Binary Neutron Star Mergers
Song, Hao-Ran; Ai, Shun-Ke; Wang, Min-Hao; Xing, Nan; Gao, He; Zhang, Bing
2019
Source PublicationThe Astrophysical Journal
ISSN2041-8213
Volume881Issue:2Pages:L40
SubtypeJournal article (JA)
AbstractThe Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo scientific collaboration (LVC) detected two binary neutron star (BNS) merger candidates, S190425z and S190426c. The Fermi-Gamma-ray Burst Monitor (GBM) observed 55.6% (for S190425z) and 100% (for S190426c) of the probability regions of both events at the respective merger times, but no gamma-ray burst (GRB) was detected in either case. The derived luminosity upper limits suggest that a short GRB similar to GRB 170817A would not be detectable for both cases due to their distances, which are larger than that of GW170817. Assuming that the jet profile obtained from GW170817/GRB 170817A is quasi-universal for all BNSCGRB associations, we derive that the viewing angles of S190425z and S190426c should be >(0.11C0.41) and >(0.09C0.39), respectively. Through Monte Carlo simulations, we show that with the GRB 170817A-like jet structure, all sky gamma-ray detectors, such as GBM and the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor, are expected to detect 4.6%, 3.9%, 1.7%, and 6.6%, 5.7%, 2.8% of BNS mergers triggered by advanced LIGO, A+, and the Einstein Telescope, respectively. The joint detection fraction would be largely reduced for Swift-BAT, SVOM-ECLAIRS, and the Einstein Probe, whose sensitivities are better but whose FOVs are smaller.
DOI10.3847/2041-8213/ab3921
Indexed BySCI ; ADS
Correlation相关
Language英语
WOS IDWOS:000482550700001
ADS Bibcode2019ApJ...881L..40S
ADS URLhttps://ui.adsabs.harvard.edu/abs/2019ApJ...881L..40S
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2019ApJ...881L..40S/citations
Citation statistics
Cited Times:15 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/287857
Collection引力波暴高能电磁对应体全天监测器(GECAM)
Recommended Citation
GB/T 7714
Song, Hao-Ran,Ai, Shun-Ke,Wang, Min-Hao,et al. Viewing Angle Constraints on S190425z and S190426c and the Joint Gravitational-wave/Gamma-Ray Detection Fractions for Binary Neutron Star Mergers[J]. The Astrophysical Journal,2019,881(2):L40.
APA Song, Hao-Ran,Ai, Shun-Ke,Wang, Min-Hao,Xing, Nan,Gao, He,&Zhang, Bing.(2019).Viewing Angle Constraints on S190425z and S190426c and the Joint Gravitational-wave/Gamma-Ray Detection Fractions for Binary Neutron Star Mergers.The Astrophysical Journal,881(2),L40.
MLA Song, Hao-Ran,et al."Viewing Angle Constraints on S190425z and S190426c and the Joint Gravitational-wave/Gamma-Ray Detection Fractions for Binary Neutron Star Mergers".The Astrophysical Journal 881.2(2019):L40.
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