Editing Caltech Submillimeter Observatory (section)

{{short description|Decommissioned radio telescope in Hawaii, US}}
{{Use mdy dates|date=December 2023}}
{{Infobox telescope||logo =|locmapin=USA Hawaii}}
The '''Caltech Submillimeter Observatory''' ('''CSO''') was a 10.4-meter (34&nbsp;ft) diameter submillimeter wavelength [[telescope]] situated alongside the 15-meter (49&nbsp;ft) [[James Clerk Maxwell Telescope]] (JCMT) at [[Mauna Kea Observatories]]. Beginning in 1986, it was engaged in [[submillimetre astronomy|submillimeter astronomy]] of the [[terahertz radiation]] band. The telescope closed on September 18, 2015.<ref name=":0"/>

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.