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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]
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.
The Advanced LIGO Documentary Project is a collaboration formed in the summer of 2015 among Caltech, the Massachusetts Institute of Technology and Director Les Guthman to make the definitive documentary about the Advanced LIGO project's search for, and expected first detection of, gravitational waves; and to record a longitudinal video archive of the project for future researchers and historians.
Drop in visitors are welcome at the LIGO Exploration Center 9:30 a.m. to 4 p.m. Tuesdays through Fridays. To reach LIGO, search for “LIGO Hanford Observatory” on Google Maps. Or drive ...
Clocking in at 49,511 x 39,136 pixels, you may have to wait a while for this newly released image of space to load.
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.
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 ...
There are several ground-based laser interferometers which span several miles/kilometers, including: the two Laser Interferometer Gravitational-Wave Observatory (LIGO) detectors in WA and LA, USA; Virgo, at the European Gravitational Observatory in Italy; GEO600 in Germany, and the Kamioka Gravitational Wave Detector (KAGRA) in Japan. While ...