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Teamwork Makes the Dream Work: Optimizing Multi-Telescope 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) Teamwork Makes the Dream Work: Optimizing Multi-Telescope Observations of Gravitational-Wave Counterparts. . (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20190906-112630773

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Abstract

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:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1909.01244arXivDiscussion Paper
ORCID:
AuthorORCID
Coughlin, Michael W.0000-0002-8262-2924
Additional Information: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.
Group:LIGO
Funders:
Funding AgencyGrant Number
David and Ellen Lee Postdoctoral ScholarshipUNSPECIFIED
Centre National d'Études Spatiales (CNES)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
NSFPHY-1806990
Carleton CollegeUNSPECIFIED
NASANNG17PX03C
NSFAST-1518052
NSFAST-1911206
Gordon and Betty Moore FoundationUNSPECIFIED
Heising-Simons FoundationUNSPECIFIED
David and Lucile Packard FoundationUNSPECIFIED
Subject Keywords:gravitational waves, telescopes
Record Number:CaltechAUTHORS:20190906-112630773
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190906-112630773
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98487
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:06 Sep 2019 20:28
Last Modified:03 Oct 2019 21:41

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