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The Event Horizon Telescope (EHT) is a telescope array consisting of a global network of radio telescopes.The EHT project combines data from several very-long-baseline interferometry (VLBI) stations around Earth, which form a combined array with an angular resolution sufficient to observe objects the size of a supermassive black hole's event horizon.
In April 2023, a team developed a new principal-component interferometric modeling (PRIMO) technique to produce sharper image reconstructions from EHT data. They applied this to the original EHT observations of the M87 black hole, yielding a crisper final image and allowing closer testing of the alignment of observations to theory. [94] [95]
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The largest supermassive black hole in the Milky Way's vicinity appears to be that of Messier 87 (i.e., M87*), at a mass of (6.5 ...
A view of M87* black hole in polarised light Sagittarius A*, black hole in the center of the Milky Way. The Event Horizon Telescope (EHT) is an active program that directly observes the immediate environment of black holes' event horizons, such as the black hole at the centre of the Milky Way. In April 2017, EHT began observing the black hole ...
Image of the supermassive black hole at the center of the galaxy M87, obtained by the Event Horizon Telescope Collaboration. Prof. Özel is part of the EHT team as of 2020. Feryal Özel (born May 27, 1975) is a Turkish-American astrophysicist born in Istanbul, Turkey, specializing in the physics of compact objects and high energy astrophysical ...
The galaxy M87 was the subject of observation by the Event Horizon Telescope (EHT) in 2017; the 10 April 2019 issue of Astrophysical Journal Letters (vol. 875, No. 1) was dedicated to the EHT results, publishing six open-access papers.
Like many Soviet weapons, the NSV was also licence produced by Yugoslavia as the M87. Following the break-up of the Soviet Union, Russia began development on the Kord heavy machine gun, while Belarus, Poland, Bulgaria, Ukraine and Vietnam all introduced their own copies of the NSV. NSVT machine gun mounted on an Iraqi T-72 tank