Exploring short-GRB afterglow parameter space for observations in coincidence with gravitational waves

被引：10

作者：

Saleem, M. ^{[1
]}

Resmi, L. ^{[2
]}

Misra, Kuntal ^{[3
]}

Pai, Archana ^{[4
]}

Arun, K. G. ^{[5
,6
]}

机构：

[1] Indian Inst Sci Educ & Res Thiruvananthapuram, CET Campus, Trivandrum 659016, Kerala, India

[2] Indian Inst Space Sci & Technol, Trivandrum 695547, Kerala, India

[3] Aryabhatta Res Inst Observat Sci, Naini Tal 263002, Uttarakhand, India

[4] Indian Inst Technol, Dept Phys, Bombay 400076, Maharashtra, India

[5] Chennai Math Inst, Siruseri 603103, Tamil Nadu, India

[6] Penn State Univ, Inst Gravitat & Cosmos, University Pk, PA 16802 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2018年 / 474卷 / 04期

关键词：

gravitational waves; gamma-ray burst: general; GAMMA-RAY BURST; LIGHT CURVES; PHYSICAL PARAMETERS; OPTICAL-EMISSION; RADIO; ENERGY; KILONOVA; HYDRODYNAMICS; COUNTERPART; DYNAMICS;

D O I：

10.1093/mnras/stx3104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Short duration Gamma Ray Bursts (SGRB) and their afterglows are among themost promising electromagnetic (EM) counterparts of Neutron Star (NS) mergers. The afterglow emission is broad-band, visible across the entire electromagnetic window from gamma-ray to radio frequencies. The flux evolution in these frequencies is sensitive to the multidimensional afterglow physical parameter space. Observations of gravitational wave (GW) from BNS mergers in spatial and temporal coincidence with SGRB and associated afterglows can provide valuable constraints on afterglow physics. We run simulations of GW-detected BNS events and assuming that all of them are associated with a GRB jet which also produces an afterglow, investigate how detections or non-detections in X-ray, optical and radio frequencies can be influenced by the parameter space. We narrow down the regions of afterglow parameter space for a uniform top-hat jet model, which would result in different detection scenarios. We list inferences which can be drawn on the physics of GRB afterglows from multimessenger astronomy with coincident GW-EM observations.

引用

页码：5340 / 5350

页数：11

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