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Universe 2017, 3(3), 59; doi:10.3390/universe3030059

The First Detection of Gravitational Waves

Institute of Mathematics of Polish Academy of Sciences, Śniadeckich 8, 00-656 Warsaw, Poland (for the LIGO Scientific Collaboration and the Virgo Collaboration)
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Received: 15 June 2017 / Revised: 23 July 2017 / Accepted: 25 July 2017 / Published: 31 July 2017
(This article belongs to the Special Issue Varying Constants and Fundamental Cosmology)
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Abstract

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 36 M and 29 M that merged to form a 62 M black hole, releasing 3 M 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. View Full-Text
Keywords: gravitational wave; LIGO; black hole gravitational wave; LIGO; black hole
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Królak, A.; Patil, M. The First Detection of Gravitational Waves. Universe 2017, 3, 59.

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