| Subject |
has latitude |
is an instance of |
has focal ratio |
has location |
has altitude |
has mounting manufacturer |
has owner |
has mirror maker |
has acronym |
has mirror diameter |
has mirror type |
has number of segment |
has aperture |
is a kind of |
has comment |
has creation date |
has operator |
has longitude |
|---|
| Gran Telescopio Canarias | 28° 45' N | altazimuth telescope | f/1.75. 15, 25 | La Palma, Canary Islands | 2400 m | the person, company or institution that constructed the mounting | Obs. del Roque de los Muchachos | the person, company or institution that created the mirror | GTC | equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) | material and other engineering details | | 10 m | | Design similar to that of the Keck instruments; funded by Spain with international partners | 2003 | | 17°54' W |
| Keck | in degrees, minutes, seconds (N or S) | | f/1.75, 15, 25 IR | Mauna Kea, Hawaii, US | height above sea level in meters | TIW Systems | W.M. Keck Observatory | Itek, Tinsley | | 9.82 m | Zerodur | 36 | or primary mirror diameter | Ritchey-Chrétien | Uses 36 hexagonal mirror segments. Plans include using both Keck I and Keck II as an optical interferometer | 1991 | Univ. of California and Calif. Institute of Technology | in degrees, minutes, seconds (E or W) |
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