The First Detection of Gravitational Waves

This article deals with the first detection of gravitational waves by the advanced Laser Interferometer Gravitational Wave Observatory (LIGO) detectors on 14 September 2015, where the signal was generated by two stellar mass black holes with masses 36M⊙and 29M⊙that merged to form a 62M⊙black hole, r...

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Bibliographic Details
Published in:Universe (Basel) 2017-09, Vol.3 (3), p.59
Main Authors: Królak, Andrzej, Patil, Mandar
Format: Article
Language:English
Subjects:
black hole
Black holes
Collaboration
Conflicts of interest
gravitational wave
Gravitational waves
Gravity
LIGO
Relativism
Sensors
Spacetime
Theory of relativity
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Summary:This article deals with the first detection of gravitational waves by the advanced Laser Interferometer Gravitational Wave Observatory (LIGO) detectors on 14 September 2015, where the signal was generated by two stellar mass black holes with masses 36M⊙and 29M⊙that merged to form a 62M⊙black hole, releasing 3M⊙energy in gravitational waves, almost 1.3 billion years ago. We begin by providing a brief overview of gravitational waves, their sources and the gravitational wave detectors. We then describe in detail the first detection of gravitational waves from a binary black hole merger. We then comment on the electromagnetic follow up of the detection event with various telescopes. Finally, we conclude with the discussion on the tests of gravity and fundamental physics with the first gravitational wave detection event.
ISSN:2218-1997
2218-1997
DOI:10.3390/universe3030059