9 July 2018 GLT receiver commissioning at JCMT and future JCMT instrumentation
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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.
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© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dan Bintley, Dan Bintley, Per Friberg, Per Friberg, Ryan Berthold, Ryan Berthold, Tim Chuter, Tim Chuter, Kuan-Yu Liu, Kuan-Yu Liu, Craig Walther, Craig Walther, Jessica Dempsey, Jessica Dempsey, Paul Ho, Paul Ho, Helen McGregor, Helen McGregor, Satoki Matsushita, Satoki Matsushita, Keiichi Asada, Keiichi Asada, Shoko Koyama, Shoko Koyama, Hiroaki Nishioka, Hiroaki Nishioka, Chih-Chiang Han, Chih-Chiang Han, Chih-Wei Huang, Chih-Wei Huang, Lupin Lin, Lupin Lin, Ta-Shun Wei, Ta-Shun Wei, Derek Kubo, Derek Kubo, Ranjani Srinivasan, Ranjani Srinivasan, Ramprasad Rao, Ramprasad Rao, Geoff Bower, Geoff Bower, Peter Oshiro, Peter Oshiro, Ming-Tang Chen, Ming-Tang Chen, } "GLT receiver commissioning at JCMT and future JCMT instrumentation", Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 1070815 (9 July 2018); doi: 10.1117/12.2313083; https://doi.org/10.1117/12.2313083
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