Caltech Submillimeter Observatory
The Caltech Submillimeter Observatory (CSO) was 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. Beginning in 1986, it was engaged in submillimeter astronomy of the terahertz radiation band. The telescope closed on September 18, 2015.
| Location(s) | Hawaii County, Hawaii |
|---|---|
| Coordinates | 19°49′21″N 155°28′34″W |
| Organization | California Institute of Technology |
| Altitude | 13,570 ft (4,140 m) |
| Wavelength | 1,300, 350, 850 μm (230, 860, 350 GHz) |
| Built | –1985 |
| First light | 1986 |
| Decommissioned | 2015 |
| Telescope style | radio telescope |
| Diameter | 10.4 m (34 ft 1 in) |
| Website | www |
Location of Caltech Submillimeter Observatory | |
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Disassembly of the Caltech Submillimeter Observatory's (CSO) 34-foot diameter telescope on Maunakea began the week of August 28, 2023. The entire remediation process is expected to be completed by summer 2024 and cost more than $4 million. CSO is the first observatory to be removed under the Decommissioning Plan of the University of Hawaiʻi Maunakea Comprehensive Management Plan.
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