Astronomy View all facts Glossary Help| Astronomy View all facts Glossary Help |
| physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > altazimuth telescope > Keck > Keck II |
  | ||||
| Keck II | ||||
| subject | fact | |||
| Keck II | has longitude 155° 28' W |  |
| has latitude 19° 49' N | | |
| has focal ratio f/1.75 | | |
| has altitude 4150 m | | |
| has creation date 1996 | | |
| is an instance of Keck | | |
| Keck | has comment Uses 36 hexagonal mirror segments. Plans include using both Keck I and Keck II as an optical interferometer | |
| has mounting manufacturer TIW Systems | | |
| has number of segments 36 | | |
| has mirror maker Itek, Tinsley | | |
| has mirror type Zerodur | | |
| has mirror diameter 9.82 m | | |
| has operator Univ. of California and Calif. Institute of Technology | | |
| has owner W.M. Keck Observatory | | |
| has location Mauna Kea, Hawaii, US | | |
| altazimuth telescope | has mounting altazimuth | |
| Ritchey-Chrétien | has secondary mirror shape convex hyperboloid | |
| has primary mirror shape concave hyperboloid | | |
| has optical design Ritchey-Chrétien | | |
| optical telescope | has optical design | |
| has reference astroweb | | |
| Earth based telescope | has temperature ambient | |
| reflector | has aperture or primary mirror diameter | |
| telescope | has wavelength sensitivity | |
| has angular resolving power | | |
| has effective diameter | | |
| has purpose observe celestial objects | | |
| artifact | has creator | |
| physical object | has angular momentum | |
| has mass | | |
| has velocity | | |
| has momentum | | |
| has volume | | |
| has extent | | |
| has material | |