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Multimessenger astr...
Multimessenger astronomy with a kHz-band gravitational-wave observatory
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- Sarin, Nikhil (author)
- Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),Monash University, Australia; 2OzGrav: The ARC Centre of Excellence for Gravitational Wave Discovery, Australia,Nordita SU; Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia.;OzGrav ARC Ctr Excellence Gravitat Wave Discovery, Clayton, Vic 3800, Australia.;Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;Stockholm Univ, Oskar Klein Ctr, Dept Phys, AlbaNova, SE-10691 Stockholm, Sweden.
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- Lasky, Paul D. (author)
- Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia.;OzGrav ARC Ctr Excellence Gravitat Wave Discovery, Clayton, Vic 3800, Australia.
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(creator_code:org_t)
- 2022-02-09
- 2022
- English.
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In: Publications Astronomical Society of Australia. - : Cambridge University Press (CUP). - 1323-3580 .- 1448-6083. ; 39
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Abstract
Subject headings
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- Proposed next-generation networks of gravitational-wave observatories include dedicated kilohertz instruments that target neutron star science, such as the proposed Neutron Star Extreme Matter Observatory, NEMO. The original proposal for NEMO highlighted the need for it to exist in a network of gravitational-wave observatories to ensure detection confidence and sky localisation of sources. We show that NEMO-like observatories have significant utility on their own as coincident electromagnetic observations can provide the detection significance and sky localisation. We show that, with a single NEMO-like detector and expected electromagnetic observatories in the late 2020 s and early 2030 s such as the Vera C. Rubin observatory and SVOM, approximately 40% of all binary neutron star mergers detected with gravitational waves could be confidently identified as coincident multimessenger detections. We show that we expect 2(-1)(+10)yr(-1) coincident observations of gravitational-wave mergers with gamma-ray burst prompt emission, 13(-10)(+23)yr(-1) detections with kionova observations, and 4(-3)(+18)yr(-1) with broadband afterglows and kionovae, where the uncertainties are 90% confidence intervals arising from uncertainty in current merger-rate estimates. Combined, this implies a coincident detection rate of 14(-11)(+25)yr(-1) out to 300 Mpc. These numbers indicate significant science potential for a single kilohertz gravitational-wave detector operating without a global network of other gravitational-wave observatories.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gravitational waves
- (stars:) gamma-ray burst: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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