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Towards Improving the Prospects for Coordinated Gravitational-Wave and Electromagnetic Observations

Published online by Cambridge University Press:  20 April 2012

Ilya Mandel ,
Luke Z. Kelley  and
Enrico Ramirez-Ruiz
Ilya Mandel
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, B15 2TT, UK email: imandel@star.sr.bham.ac.uk
Luke Z. Kelley
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
Enrico Ramirez-Ruiz
Affiliation:
Dept. of Astronomy & Astrophysics, University of California, Santa Cruz, CA 95064, USA
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Abstract

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We discuss two approaches to searches for gravitational-wave (GW) and electromagnetic (EM) counterparts of binary neutron-star mergers. The first approach relies on triggering archival searches of GW detector data based on detections of EM transients. Quantitative estimates of the improvement to GW detector reach due to the increased confidence in the presence and parameters of a signal from a binary merger gained from the EM transient suggest utilizing other transients in addition to short gamma-ray bursts. The second approach involves following up GW candidates with targeted EM observations. We argue for the use of slower but optimal parameter-estimation techniques and for a more sophisticated use of astrophysical prior information, including galaxy catalogues to find preferred follow-up locations.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 358 - 360
Copyright
Copyright © International Astronomical Union 2012

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