Large Millimeter Telescope
(LMT, Gran Telescopio Milimétrico, GTM)
(large microwave telescope in Mexico)
The Large Millimeter Telescope (LMT,
aka Gran Telescopio Milimétrico, GTM)
is a 50-meter diameter telescope at Volcan Sierra Negra, Mexico,
aimed at wavelengths on the order of 1 mm,
i.e., short microwave and long infrared wavelengths.
It is situated at 4,640 metres (15200 feet)
and detects 0.85 to 4 mm (75-350 GHz) signal.
At its location, only part of the year provides ideal observation.
It does not approach the angular resolution of Atacama Large Millimeter Array
but features a much larger field of view.
Its first light was in 2011, and went into operation in 2013
using the inner 32 m of the reflector, with 50 m becoming operational
in 2017. Its angular resolution at 1.1 mm was 8.5 arcsec with the 32 m
reflector and 5.5 arcsec with 50 m. The 50 m size gives it the ability
to detect a star formation of 10 solar masses per year in galaxies
at high redshift.
- SEQUOIA - 32 pixel, 3 mm camera.
- RSR - Redshift Search Receiver - 4 pixel camera covering the 90 GHz atmospheric window to detect redshift of carbon monoxide spectrum features.
- AzTEC - 144 pixel 1.1 mm camera.
A future instrument is TolTEC, a camera imaging simultaneously
in three bands, which promises rapid surveying.
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|.85mm||353GHz||1.5meV||begin||Large Millimeter Telescope|
|4mm||75GHz||310μeV||end||Large Millimeter Telescope|
Referenced by pages:
Atacama Submillimeter Telescope Experiment (ASTE)
IRAM 30m Telescope
James Clerk Maxwell Telescope (JCMT)