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The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. [1]
This image is a derivative work of the following images: File:Ligo.gif licensed with PD-USGov, ... Dimensions User Comment; current: ... Gravitational-wave observatory;
It was published in 2020 that a gamma-ray burst was detected ~0.5 seconds after the LIGO trigger, lasting 6 seconds and bearing similarities to GRB170817 (such as weakness [most power in sub-100 keV, or soft X-rays) bands], elevated energetic photon background levels [signal exceeding background by less than a factor of 2], and similar ...
Currently, the most sensitive ground-based laser interferometer is LIGO – the Laser Interferometer Gravitational Wave Observatory. LIGO is famous as the site of the first confirmed detections of gravitational waves in 2015. LIGO has two detectors: one in Livingston, Louisiana; the other at the Hanford site in Richland, Washington.
LightBuckets (commercial observatory) 2007 Rodeo, New Mexico, US LIGO: 1999: Hanford Site, Washington, US & Livingston, Louisiana, US, US Lindheimer Astrophysical Research Center (defunct) 1966–1995 Evanston, Illinois, US Llano de Chajnantor Observatory: 2005 Atacama Desert, Chile Llano del Hato National Astronomical Observatory: 1975 Mérida ...
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The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO and Virgo collaborations on 11 February 2016. [3] [4] [5] Previously, gravitational waves had been inferred only indirectly, via their effect on the timing of pulsars in binary star systems.
[1]: 5 The first to detect optical light associated with the collision was the 1M2H team running the Swope Supernova Survey, which found it in an image of NGC 4993 taken 10 hours and 52 minutes after the GW event [11] [1] [28] by the 1-meter diameter (3.3 ft) Swope Telescope operating in the near infrared at Las Campanas Observatory, Chile.