Vacuum Tower Telescope

The Vacuum Tower Telescope is an evacuated-optics solar telescope located at the Teide Observatory on Tenerife in the Canary Islands. It is operated by the Kiepenheuer-Institut für Sonnenphysik (KIS).[1][2]

For the vacuum tower telescope at Sacramento Peak, see Richard B. Dunn Solar Telescope.
Vacuum Tower Telescope
The VTT at the Teide Observatory, Tenerife.
Part ofTeide Observatory 
Location(s)Tenerife, Canary Islands, Spain
Coordinates28°18′08″N 16°30′36″W
OrganizationKiepenheuer Institute for Solar Physics
Leibniz Institute for Astrophysics Potsdam
Max Planck Institute for Solar System Research 
Built1983 –1986  (1983 –1986 )
First light1988 
Telescope styleoptical telescope
solar telescope 
Diameter70 cm (2 ft 4 in)
Focal length46 m (150 ft 11 in)
Mountingaltazimuth mount 
Enclosureturret 
Websitewww.kis.uni-freiburg.de?id=575&L=1
Location of Vacuum Tower Telescope
Related media on Wikimedia Commons
Vacuum Tower Telescope

It was built between 1983 and 1986, with first light in 1988.[3] It has a 70-centimetre (28-inch) diameter primary mirror and a focal length of 46 metres (151 ft). Thanks to an adaptive optics system KAOS (Kiepenheuer-institute Adaptive Optic System), in operation since spring 2000,[4][5] it is able to resolve details down to 0.2 arc seconds (150 km) on the Sun's surface.[6][7][8]

See also

References
  1. Kiepenheuer-Institut für Sonnenphysik (KIS)
  2. "Vacuum Tower Telescope". KIS website. Kiepenheuer-Institut für Sonnenphysik. Retrieved 11 January 2014.
  3. "Vacuum Tower Telescope (VTT)". IAC website. Instituto de Astrofísica de Canarias. Retrieved 11 January 2014.
  4. "KAOS- The Kiepenheuer-institute Adaptive Optic System". Archived from the original on June 10, 2007. Retrieved May 31, 2007.
  5. "Solar observations of highest resolution obtained with Adaptive Optics and Speckle-Interferometry at the VTT". Archived from the original on June 10, 2007. Retrieved May 31, 2007.
  6. Van Der Luehe, Oskar; Soltau, Dirk; Berkefeld, Thomas; Schelenz, Thomas (2003). "KAOS: Adaptive optics system for the Vacuum Tower Telescope at Teide Observatory". In Keil, Stephen L.; Avakyan, Sergey V. (eds.). Innovative Telescopes and Instrumentation for Solar Astrophysics. Innovative Telescopes and Instrumentation for Solar Astrophysics. 4853. p. 187. Bibcode:2003SPIE.4853..187V. doi:10.1117/12.498659.
  7. Berkefeld, Thomas; Dirk Schmidt (December 2012). "KAOS - a flexible control system for AO and MCAO" (PDF). Real Time Control for Adaptive Optics Workshop. 2. Garching: ESO. Retrieved 11 January 2014. Cite journal requires |journal= (help)
  8. Rimmele, Thomas R.; Jose Marino (2011). "Solar Adaptive Optics". Living Reviews in Solar Physics. 8 (2). Bibcode:2011LRSP....8....2R. doi:10.12942/lrsp-2011-2. PMC 4841189. PMID 27194964. Retrieved 11 January 2014.
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