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JCMT: James Clerk Maxwell Telescope

James Clerk Maxwell Telescope

With a diameter of 15m the James Clerk Maxwell Telescope (JCMT) is the largest astronomical telescope in the world designed specifically to operate in the submillimeter wavelength region of the spectrum. The JCMT is used to study our Solar System, interstellar dust and gas, and distant galaxies. It is situated close to the summit of Mauna Kea, Hawaii, at an altitude of 4092m. (more)

Latest News Flexible Observing
JCMT Newsletter now available (NEW)

Completion of the SCUBA-2 Ambitious Sky Survey 

Completion of the NGLS Nearby Galaxies Legacy Survey 

Update on JCMT Ownership

Completion of the SONS Debris Disk Legacy Survey

Note to the Community
Board Meeting May 2014

Update on JCMT Ownership

Older News Items

Download the latest version of the JCMT Observing Tool. Detailed descriptions of observing modes are also available here.

OMP Access to your Project

Observing at the JCMT


Starlink software collection

The JCMT is supported by the Science and Technology Facilities Council and the National Research Council Canada.
It is overseen by the JCMT Board.
Acknowledging JCMT Data

Contact: Linda Gregoire. Updated: Tue Jan 13 09:08:27 HST 2015

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