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August 10-16, 2020 / Vol 39, No 32 / Hawai`i Island, USA

7 Aug 2020, 20:17 UTC
August 10-16, 2020 / Vol 39, No 32 / Hawai`i Island, USA
(200 words excerpt, click title or image to see full post)

Event Horizon Telescope Gets New Director, 3 Additional Observatories, Campaign Plan for 2021

The next observational campaign for Event Horizon Telescope (EHT) is set to commence March 2021 and involve at least 350 scientists, 60 institutions from 20 countries and regions. New incoming Director, Leiden Astronomer Huib van Langevelde (top), will oversee the global EHT project with Very Long Baseline Interferometry collaborations soon coming from 11 telescopes: Atacama Large Millimeter Array and Atacama Pathfinder Experiment (Chile), Heinrich Hertz Submillimeter Telescope and Kitt Peak 12-meter Telescope (Arizona), IRAM 30m telescope (Spain), JCMT / East Asian Observatory and Submillimeter Array (Hawai’i / Aloha State), Large Millimeter Telescope (Mexico), NOEMA Observatory (France), South Pole Telescope (Antarctica) and The Greenland Telescope. Still under study is EHT image of Pōwehi M87 black hole (55M LY away) published April 10, 2019 for data about its nested rings of light, spacetime distortion and the history of the visible universe. Closer to home at Milky Way Galaxy Center ~26,000 LY, supermassive black hole Sagittarius A* continues to be observed by EHT. No image has yet been produced because of the complex nature of its shorter timescale / quicker evolution which needs to be modeled. Future plans include ...

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