Extending the PyCBC search for gravitational waves from compact binary mergers to a global network

ABSTRACT The vast majority of compact binary mergers in the Universe produce gravitational waves that are too weak to yield unambiguous detections; they are unresolved. We present a method to infer the population properties of compact binaries – such as their merger rates, mass spectrum, and spin distribution – using both resolved and unresolved gravitational waves. By eliminating entirely the distinction between resolved and unresolved signals, we eliminate bias from selection effects. To demonstrate this method, we carry out a Monte Carlo study using an astrophysically motivated population of binary black holes. We show that some population properties of compact binaries are well constrained by unresolved signals after about one week of observation with Advanced LIGO at design sensitivity.

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Measuring speed of gravitational waves by observations of photons and neutrinos from compact binary mergers and supernovae

Physical Review D ◽

10.1103/physrevd.90.044048 ◽

2014 ◽

Vol 90 (4) ◽

Cited By ~ 46

Author(s):

Atsushi Nishizawa ◽

Takashi Nakamura

Keyword(s):

Gravitational Waves ◽

Compact Binary ◽

Binary Mergers

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Gravitational Waves and Time-Domain Astronomy

Proceedings of the International Astronomical Union ◽

10.1017/s1743921312000592 ◽

2011 ◽

Vol 7 (S285) ◽

pp. 191-198 ◽

Cited By ~ 1

Author(s):

Joan Centrella ◽

Samaya Nissanke ◽

Roy Williams

Keyword(s):

Gravitational Wave ◽

Gravitational Waves ◽

Time Domain ◽

Low Frequency ◽

High Energy ◽

Massive Black Hole ◽

Compact Binary ◽

Challenges And Opportunities ◽

Binary Mergers

AbstractThe gravitational-wave window onto the universe will open in roughly five years, when Advanced LIGO and Virgo achieve the first detections of high-frequency gravitational waves, most likely coming from compact binary mergers. Electromagnetic follow-up of these triggers, using radio, optical, and high energy telescopes, promises exciting opportunities in multi-messenger time-domain astronomy. In the decade, space-based observations of low-frequency gravitational waves from massive black hole mergers, and their electromagnetic counterparts, will open up further vistas for discovery. This two-part workshop featured brief presentations and stimulating discussions on the challenges and opportunities presented by gravitational-wave astronomy. Highlights from the workshop, with the emphasis on strategies for electromagnetic follow-up, are presented in this report.

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Gamma-ray bursts associating with gravitational waves from compact binary mergers

SCIENTIA SINICA Physica, Mechanica & Astronomica ◽

10.1360/sspma-2019-0400 ◽

2020 ◽

Vol 50 (12) ◽

pp. 129502

Author(s):

TAN Wei-Wei ◽

YU Yun-Wei ◽

DAI Zi-Gao ◽

LI Yong-Sen

Keyword(s):

Gravitational Waves ◽

Gamma Ray ◽

Gamma Ray Bursts ◽

Compact Binary ◽

Binary Mergers

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Electromagnetic counterparts of compact binary mergers

Journal of Plasma Physics ◽

10.1017/s0022377820001646 ◽

2021 ◽

Vol 87 (1) ◽

Author(s):

Stefano Ascenzi ◽

Gor Oganesyan ◽

Marica Branchesi ◽

Riccardo Ciolfi

Keyword(s):

Gravitational Waves ◽

High Energy ◽

Design Sensitivity ◽

Compact Objects ◽

Open Problems ◽

Binary Neutron Star ◽

Compact Binary ◽

Open Questions ◽

Binary Mergers ◽

Electromagnetic Signals

The first detection of a binary neutron star merger through gravitational waves and photons marked the dawn of multimessenger astronomy with gravitational waves, and it greatly increased our insight in different fields of astrophysics and fundamental physics. However, many open questions on the physical process involved in a compact binary merger still remain and many of these processes concern plasma physics. With the second generation of gravitational wave interferometers approaching their design sensitivity, the new generation under design study and new X-ray detectors under development, the high energy universe will become more and more a unique laboratory for our understanding of plasma in extreme conditions. In this review, we discuss the main electromagnetic signals expected to follow the merger of two compact objects highlighting the main physical processes involved and some of the most important open problems in the field.

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