Nicholas U. Mayall Telescope
|Nicholas U. Mayall Telescope|
|Website||The Mayall 4-Meter Telescope|
The Nicholas U. Mayall Telescope, also known as the Mayall 4m Telescope, is a four meter reflector telescope located at the Kitt Peak National Observatory and named after Nicholas U. Mayall. It saw first light on February 27, 1973. Initial observers included: D. Crawford, Nicholas Mayall, and Arthur Hoag. It was dedicated on June 20, 1973 after Mayall's retirement as director. The mirror has an f/2.7 hyperboloidal shape. It is made from a two foot (61 cm (24 in)) thick fused quartz disk that is supported in an advanced-design mirror cell. The prime focus has a field of view six times larger than that of the Hale reflector. An identical reflector was later built at Cerro Tololo Inter-American Observatory, in Chile.
Contemporaries on commissioning
The Mayall (4 m) debuted neatly between the Hale (5 m) and Shane (3m) in the early 1970s.
Largest telescopes 1973:
|1949||George Ellery Hale|
Kitt Peak National Obs.
C. Donald Shane
|4||Harlan J. Smith Telescope
|1968||Harlan J. Smith|
- Lindsley, Dave; Edmondson, Frank; Kiani, Shiva (2008), Celebrating 50 years; Kitt Peak National Observatory; Milestones at Kitt Peak
- Robert D. Chapman, William M. Sinton. "Telescope". AccessScience@McGraw-Hill. doi:10.1036/1097-8542.681600.
- Media related to Nicholas U. Mayall Telescope at Wikimedia Commons
- The Mayall 4m Telescope - official site.
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