Academia Sinica Institute of Astronomy and Astrophysics Smithsonian Astrophysical Observatory
Location(s)
Greenland. Currently located at the Thule Air Base but will be deployed at the Summit Station in the center of Greenland.
First light
25 December 2017
Telescope style
radio telescope
Diameter
12 m (39 ft 4 in)
Website
www.cfa.harvard.edu/greenland12m/
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[edit on Wikidata]
The Greenland Telescope is a radio telescope that is currently installed and operating at the Thule Air Base in north-western Greenland. It will later be deployed at the Summit Station research camp, located at the highest point of the Greenland ice sheet at an altitude of 3,210 meters (10,530 feet).
The telescope is an international collaboration between:
The Academia Sinica Institute of Astronomy and Astrophysics[1](Taiwan) (project leaders)
The Smithsonian Astrophysical Observatory of the Center for Astrophysics | Harvard & Smithsonian (United States)
The National Radio Astronomy Observatory (United States)
The Haystack Observatory of the Massachusetts Institute of Technology (United States)
In 2011 the U.S. National Science Foundation gave the Smithsonian Astrophysical Observatory a 12-meter radio antenna[2] that had been used as a prototype for the ALMA project in Chile. The antenna was to be deployed in Greenland. Deploying the telescope in the middle of Greenland is ideal for detecting certain radio frequencies.
The telescope will be used to study the event horizons of black holes and to test how general relativity behaves in environments with extreme gravity.
The Greenland Telescope will become part of the global network of telescopes that makes up the Event Horizon Telescope that will study supermassive black holes and explore the origin of the relativistic jet in the active galaxy Messier 87.[3][4][5][6]
^"ASIAA - The Greenland Telescope and Submillimeter VLBI". www.asiaa.sinica.edu.tw. Retrieved 2018-03-02.
^"M87 Workshop: Towards the 100th Anniversary of the Discovery of Cosmic Jets". events.asiaa.sinica.edu.tw. Retrieved 2018-03-01.
^Asada, Keiichi; Nakamura, Masanori (2012-02-01). "The Structure of the M87 Jet: A Transition from Parabolic to Conical Streamlines". The Astrophysical Journal Letters. 745 (2): L28. arXiv:1110.1793. Bibcode:2012ApJ...745L..28A. doi:10.1088/2041-8205/745/2/L28. ISSN 0004-637X. S2CID 119241645.
^Nakamura, Masanori; Asada, Keiichi (2013-10-01). "The Parabolic Jet Structure in M87 as a Magnetohydrodynamic Nozzle". The Astrophysical Journal. 775 (2): 118. arXiv:1308.1436. Bibcode:2013ApJ...775..118N. doi:10.1088/0004-637X/775/2/118. ISSN 0004-637X. S2CID 119282302.
^Asada, Keiichi; Nakamura, Masanori; Pu, Hung-Yi (2016-12-01). "Indication of the Black Hole Powered Jet in M87 by VSOP Observations". The Astrophysical Journal. 833 (1): 56. Bibcode:2016ApJ...833...56A. doi:10.3847/1538-4357/833/1/56. ISSN 0004-637X.
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