Caltech Submillimeter Observatory

Caltech Submillimeter Observatory
Location(s) Mauna Kea, Hawaii County, US
Coordinates 19°49′21″N 155°28′34″W / 19.8225°N 155.476°W / 19.8225; -155.476Coordinates: 19°49′21″N 155°28′34″W / 19.8225°N 155.476°W / 19.8225; -155.476 Edit this at Wikidata
Organization California Institute of Technology Edit this on Wikidata
Altitude 13,570 ft (4,140 m) Edit this at Wikidata
Wavelength 1,300, 350 μm (230, 860 GHz)
Built –1985 Edit this on Wikidata (–1985 Edit this on Wikidata) Edit this at Wikidata
First light 1986 Edit this on Wikidata
Decommissioned 2015 Edit this on Wikidata
Telescope style Radio telescope Edit this on Wikidata
Diameter 10.4 m (34 ft 1 in) Edit this at Wikidata
Website www.submm.caltech.edu/cso/ Edit this at Wikidata
Location of Caltech Submillimeter Observatory

The Caltech Submillimeter Observatory (CSO) is a 10.4-meter (34 ft) diameter submillimeter wavelength telescope situated alongside the 15-meter (49 ft) James Clerk Maxwell Telescope (JCMT) at Mauna Kea Observatories. It was engaged in submillimetre astronomy, of the terahertz radiation band. The telescope closed on September 18, 2015. The telescope is set to be decommissioned in the near future as part of the Mauna Kea Comprehensive Management Plan.[1]

History

The CSO and JCMT were combined to form the first submillimeter interferometer. The success of this experiment was important in pushing ahead the construction of the Submillimeter Array and the Atacama Large Millimeter Array interferometers.

Decommissioning

On April 30, 2009, Caltech announced plans to decommission the CSO, transferring ongoing research to the next-generation Cerro Chajnantor Atacama Telescope (CCAT) in Chile. The plans call for CSO to be dismantled, beginning in 2016, with its site returned to a natural state by 2018.[2] The last observation from the telescope was made on 8 September 2015, and was of Orion KL.[3]

Caltech Submillimeter Observatory.

See also

References

  1. ↑ "Third Maunakea observatory set for decommissioning". University of Hawaii News. University of Hawaii. Retrieved 3 December 2015.
  2. ↑ "Caltech Submillimeter Observatory in Hawaii to be Decommissioned" (Press release). Caltech.edu. April 30, 2009. Archived from the original on June 10, 2010. Retrieved December 22, 2010.
  3. ↑ McGuire, Brett A.; Carroll, P. Brandon (31 October 2017). "The Final Integrations of the Caltech Submillimeter Observatory". Research Notes of the AAS. 1 (1): 4. arXiv:1711.09145. Bibcode:2017RNAAS...1a...4M. doi:10.3847/2515-5172/aa9657. ISSN 2515-5172.
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