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GLT receiver commissioning at JCMT and future JCMT instrumentation
Author(s): Dan Bintley; Per Friberg; Ryan Berthold; Tim Chuter; Kuan-Yu Liu; Craig Walther; Jessica Dempsey; Paul Ho; Helen McGregor; Satoki Matsushita; Keiichi Asada; Shoko Koyama; Hiroaki Nishioka; Chih-Chiang Han; Chih-Wei Huang; Lupin Lin; Ta-Shun Wei; Derek Kubo; Ranjani Srinivasan; Ramprasad Rao; Geoff Bower; Peter Oshiro; Ming-Tang Chen
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Paper Abstract

The Greenland Telescope (GLT) project and the East Asian Observatory (EAO) successfully commissioned the first light GLT instrument at the James Clerk Maxwell Telescope (JCMT) in Hawaii, prior to transferring the instrument to Greenland. The GLT instrument which comprises of a cryostat with three cartridge-type receivers (at 86GHz, 230GHz and 345GHz) was installed into the receiver cabin of JCMT and operated in three modes: - (a) Regular JCMT observing with the GLT instrument, using ACSIS, (JCMT’s autocorrelation spectrometer) as the backend and JCMT software for telescope control, data reduction, pointing and antenna focus adjustment. (b) Single dish observations of astronomical spectral line sources, recording data onto mark 6 recorders for offline data reduction. (c) eSMA interferometer array observations at 230GHz in conjunction with the SMA. In this paper, we report on the installation and integration of the GLT instrument at JCMT, present results from commissioning and show how the success of the GLT instrument commissioning fits with our plans for future instrumentation at JCMT.

Paper Details

Date Published: 9 July 2018
PDF: 11 pages
Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 1070815 (9 July 2018); doi: 10.1117/12.2313083
Show Author Affiliations
Dan Bintley, East Asian Observatory (United States)
Per Friberg, East Asian Observatory (United States)
Ryan Berthold, East Asian Observatory (United States)
Tim Chuter, East Asian Observatory (United States)
Kuan-Yu Liu, East Asian Observatory (United States)
Institute of Astronomy and Astrophysics (Taiwan)
Craig Walther, East Asian Observatory (United States)
Jessica Dempsey, East Asian Observatory (United States)
Paul Ho, East Asian Observatory (United States)
Helen McGregor, Australian Astronomical Observatory (Australia)
Satoki Matsushita, Institute of Astronomy and Astrophysics (Taiwan)
Keiichi Asada, Institute of Astronomy and Astrophysics (Taiwan)
Shoko Koyama, Institute of Astronomy and Astrophysics (Taiwan)
Hiroaki Nishioka, Institute of Astronomy and Astrophysics (Taiwan)
Chih-Chiang Han, Institute of Astronomy and Astrophysics (Taiwan)
Chih-Wei Huang, Institute of Astronomy and Astrophysics (Taiwan)
Lupin Lin, Institute of Astronomy and Astrophysics (Taiwan)
Ta-Shun Wei, Institute of Astronomy and Astrophysics (Taiwan)
Derek Kubo, Institute of Astronomy and Astrophysics (Taiwan)
Ranjani Srinivasan, Institute of Astronomy and Astrophysics (Taiwan)
Ramprasad Rao, Institute of Astronomy and Astrophysics (Taiwan)
Geoff Bower, Institute of Astronomy and Astrophysics (Taiwan)
Peter Oshiro, Institute of Astronomy and Astrophysics (Taiwan)
Ming-Tang Chen, Institute of Astronomy and Astrophysics (Taiwan)


Published in SPIE Proceedings Vol. 10708:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX
Jonas Zmuidzinas; Jian-Rong Gao, Editor(s)

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