GW170817
id:
gw170817-187-7369867
title:
GW170817
text:
GW170817 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 17 August 2017, originating from the shell elliptical galaxy NGC 4993, about 140 million light years away. The signal was produced by the last moments of the inspiral process of a binary pair of neutron stars, ending with their merger. It was the first GW observation to be confirmed by non-gravitational means. Unlike the five previous GW detections—which were of merging black holes and thus not expected to
brand slug:
wiki
category slug:
encyclopedia
description:
Gravitational-wave signal detected in 2017
original url:
https://en.wikipedia.org/wiki/GW170817
date created:
2017-08-28T00:45:56Z
date modified:
2024-09-08T09:43:49Z
main entity:
{"identifier":"Q38080891","url":"https://www.wikidata.org/entity/Q38080891"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/a0/GW170817_spectrograms.svg","width":738,"height":1058}
fields total:
13
integrity:
16