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East Asian Meeting on Astronomy
October 14(Mon)-18(Fri), 2013
NCU, Taiwan

Invited Presentation

The Future of the JCMT: Observing the Present through the Distant Past


Presenter: Doug Johnstone (Joint Astronomy Centre)

In this talk I will highlight the many important scientific successes achieved at the James Clerk Maxwell Telescope (JCMT), concentrating on results from the new suite of instrumentation: SCUBA-2 and HARP.

TheJCMT, with a 15m dish, is the largest single-dish astronomical telescope in the world designed specifically to operate in the sub-mm wavelength regime. The JCMT is located close to the summit of Mauna Kea, Hawaii, at an altitude of 4092m.

The most recent addition to the JCMT’s suite of instruments is the 10,000 bolometer sub-mm continuum instrument: SCUBA-2. SCUBA-2 operates simultaneously with 7’ x7’ foot print sub-arrays at both 450 and 850-microns. SCUBA-2’s wide field surveying potential, combined with a 65% shared view of the sky from both sites, makes it the ideal instrument to provide complementary data for the ALMA Project. Furthermore, the SCUBA-2 sub-millimetre wavelength coverage and angular resolution complement existing Herschel observations.

A set of comprehensive surveys of the submillimetre sky is underway at the JCMT using SCUBA-2 and HARP, a heterodyne array receiver operating between 325 and 375 GHz. The JCMT Legacy Survey (JLS) is comprised of seven survey projects, and ranges in scope from the study of nearby debris disk systems, the study of star formation in nearby molecular cloud systems and more distant structures in our Galactic Plane, to the structure and composition of galaxies in our local neighbourhood and the number and evolution of submillimetre galaxies at high redshifts in the early Universe.

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