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- California_Extremely_Large_Telescope abstract "The California Extremely Large Telescope (CELT) was a proposal for an extremely large telescope design first proposed in the 1990s by a consortium of Californian Universities. The design was for a segmented 30 m diameter astronomical telescope. The CELT had a positive reception and continued to be developed, and was renamed The Thirty Meter Telescope around 2003-4. The CELT was one of the earlier and more successful proposals for Extremely large telescopes.The optical design for CELT is a Ritchey-Chretien two-mirror system, with a segmented mirror mosaic with 1080 segments. This rather naturally provides a large, 20 arcminute field of view with less than 0.5 arcsecond images (100% enclosed energy). This focus is free of coma and only suffers from astigmatism, which grows quadratically with field angle. The primary will be 30 metres (98 ft) in diameter, and for compactness, the primary f-number will be f/1.5. The final focus will be f/15, delivering a final focus with about 2 mm/arcsecond as its plate scale. Such a giant telescope produces very large seeing-limited images, a challenge for the design of seeing-limited scientific instruments. The 20 arcminute field is 2.6 metres (8.5 ft) in diameter. CELT was one of three ELT projects that combined together to start the TMT project. The other two projects were VLOT (Very Large Optical Telescope) and GSMT (Giant Segmented Mirror Telescope). Another large telscope proposal in this era was the Euro50 design.".
- California_Extremely_Large_Telescope wikiPageExternalLink 46821.
- California_Extremely_Large_Telescope wikiPageExternalLink celt.ucolick.org.
- California_Extremely_Large_Telescope wikiPageExternalLink extremely_large_telescope.html.
- California_Extremely_Large_Telescope wikiPageExternalLink history.
- California_Extremely_Large_Telescope wikiPageID "8423985".
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- California_Extremely_Large_Telescope wikiPageOutDegree "15".
- California_Extremely_Large_Telescope wikiPageRevisionID "695376634".
- California_Extremely_Large_Telescope wikiPageWikiLink Astigmatism.
- California_Extremely_Large_Telescope wikiPageWikiLink Category:Telescopes.
- California_Extremely_Large_Telescope wikiPageWikiLink Category:Thirty_Meter_Telescope.
- California_Extremely_Large_Telescope wikiPageWikiLink Coma_(optics).
- California_Extremely_Large_Telescope wikiPageWikiLink Extremely_large_telescope.
- California_Extremely_Large_Telescope wikiPageWikiLink F-number.
- California_Extremely_Large_Telescope wikiPageWikiLink Field_of_view.
- California_Extremely_Large_Telescope wikiPageWikiLink Giant_Segmented_Mirror_Telescope.
- California_Extremely_Large_Telescope wikiPageWikiLink Ritchey–Chrétien_telescope.
- California_Extremely_Large_Telescope wikiPageWikiLink Segmented_mirror.
- California_Extremely_Large_Telescope wikiPageWikiLink Thirty_Meter_Telescope.
- California_Extremely_Large_Telescope wikiPageWikiLink Very_Large_Optical_Telescope.
- California_Extremely_Large_Telescope wikiPageWikiLinkText "California Extremely Large Telescope".
- California_Extremely_Large_Telescope wikiPageUsesTemplate Template:Convert.
- California_Extremely_Large_Telescope wikiPageUsesTemplate Template:Observatory-stub.
- California_Extremely_Large_Telescope subject Category:Telescopes.
- California_Extremely_Large_Telescope subject Category:Thirty_Meter_Telescope.
- California_Extremely_Large_Telescope hypernym Proposal.
- California_Extremely_Large_Telescope type Aircraft.
- California_Extremely_Large_Telescope comment "The California Extremely Large Telescope (CELT) was a proposal for an extremely large telescope design first proposed in the 1990s by a consortium of Californian Universities. The design was for a segmented 30 m diameter astronomical telescope. The CELT had a positive reception and continued to be developed, and was renamed The Thirty Meter Telescope around 2003-4.".
- California_Extremely_Large_Telescope label "California Extremely Large Telescope".
- California_Extremely_Large_Telescope sameAs m.0bt54c.
- California_Extremely_Large_Telescope wasDerivedFrom California_Extremely_Large_Telescope?oldid=695376634.
- California_Extremely_Large_Telescope isPrimaryTopicOf California_Extremely_Large_Telescope.