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Optimizing multitelescope observations of gravitational-wave counterparts

Coughlin, Michael W. and Antier, Sarah and Corre, David and Alqassimi, Khalid and Anand, Shreya and Christensen, Nelson and Coulter, Daniel A. and Foley, Ryan J. and Guessoum, Nidhal and Mikulski, Timothy M. and Al Mualla, Mouza and Reed, Draco and Tao, Duo (2019) Optimizing multitelescope observations of gravitational-wave counterparts. Monthly Notices of the Royal Astronomical Society, 489 (4). pp. 5775-5783. ISSN 0035-8711. doi:10.1093/mnras/stz2485.

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The ever-increasing sensitivity of the network of gravitational-wave detectors has resulted in the accelerated rate of detections from compact binary coalescence systems in the third observing run of Advanced LIGO and Advanced Virgo. Not only has the event rate increased, but also the distances to which phenomena can be detected, leading to a rise in the required sky volume coverage to search for counterparts. Additionally, the improvement of the detectors has resulted in the discovery of more compact binary mergers involving neutron stars, revitalizing dedicated follow-up campaigns. While significant effort has been made by the community to optimize single telescope observations, using both synoptic and galaxy-targeting methods, less effort has been paid to coordinated observations in a network. This is becoming crucial, as the advent of gravitational-wave astronomy has garnered interest around the globe, resulting in abundant networks of telescopes available to search for counterparts. In this paper, we extend some of the techniques developed for single telescopes to a telescope network. We describe simple modifications to these algorithms and demonstrate them on existing network examples. These algorithms are implemented in the open-source software gwemopt, used by some follow-up teams, for ease of use by the broader community.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Coughlin, Michael W.0000-0002-8262-2924
Antier, Sarah0000-0002-7686-3334
Anand, Shreya0000-0003-3768-7515
Guessoum, Nidhal0000-0003-1585-8205
Al Mualla, Mouza0000-0002-4694-7123
Alternate Title:Teamwork Makes the Dream Work: Optimizing Multi-Telescope Observations of Gravitational-Wave Counterparts
Additional Information:© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Accepted 2019 August 30. Received 2019 August 30; in original form 2019 July 17. Published: 07 September 2019. M. W. Coughlin is supported by the David and Ellen Lee Postdoctoral Fellowship at the California Institute of Technology. Sarah Antier is supported by the CNES Postdoctoral Fellowship at Laboratoire Astroparticle et Cosmologie. David Corre is supported by a CNRS Postdoctoral Fellowship at Laboratoire de l’Accélérateur Linéaire. N. Christensen and T. Mikulski acknowledge support from the National Science Foundation with grant number PHY-1806990, and T. Mikulski also acknowledges support from the Towsley fund at Carleton College. The UCSC (D. Coulter, R. Foley, D. Reed) team is supported in part by NASA grant NNG17PX03C, NSF grants AST-1518052 and AST-1911206, the Gordon & Betty Moore Foundation, the Heising-Simons Foundation, and by a fellowship from the David and Lucile Packard Foundation to R.J.F.
Funding AgencyGrant Number
David and Ellen Lee Postdoctoral ScholarshipUNSPECIFIED
Centre National d'Études Spatiales (CNES)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Carleton CollegeUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Heising-Simons FoundationUNSPECIFIED
David and Lucile Packard FoundationUNSPECIFIED
Subject Keywords:gravitational waves – telescopes
Issue or Number:4
Record Number:CaltechAUTHORS:20190906-112630773
Persistent URL:
Official Citation:Michael W Coughlin, Sarah Antier, David Corre, Khalid Alqassimi, Shreya Anand, Nelson Christensen, David A Coulter, Ryan J Foley, Nidhal Guessoum, Timothy M Mikulski, Mouza Al Mualla, Draco Reed, Duo Tao, Optimizing multitelescope observations of gravitational-wave counterparts, Monthly Notices of the Royal Astronomical Society, Volume 489, Issue 4, November 2019, Pages 5775–5783,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98487
Deposited By: George Porter
Deposited On:06 Sep 2019 20:28
Last Modified:16 Nov 2021 17:39

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