GREGOR Solar Telescope
| Organisation | KIS, AIP, MPS, Institut für Astrophysik Göttingen[1] |
|---|---|
| Location(s) | Teide Observatory, Tenerife, Canary Islands, Spain |
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| Wavelength | 350 nm to 2.0 µm[2] |
| First light | March 12, 2009[3][4] |
| Telescope style | Gregorian |
| Diameter | 1.5meter |
| Angular resolution | 0.08″ at 500 nm[2] |
| Focal length | 55.6m (f/38)[2] |
| Mounting | Alt-az[2] |
| Dome | Open, retractable dome[4] |
| Website | gregor |
The GREGOR solar telescope is a solar telescope (equipped with a 1.5 m primary mirror produced out of the zero-expansion material Zerodur by the company SCHOTT AG)[5] located at the Teide Observatory on Tenerife in the Canary Islands. It replaces the older Gregory Coudé Telescope and was inaugurated on May 21, 2012.[1][6]
GREGOR is the third-largest solar telescope in the world, after the Big Bear Observatory and the McMath-Pierce solar telescope. It is aimed at observing the solar photosphere and chromosphere at visible and infrared wavelengths. GREGOR sports a high-order adaptive optics (AO) system with a 256-actuator deformable mirrors and a 156-subaperture Shack-Hartmann wavefront sensor. Efforts are underway to implement multi-conjugate AO in 2014.[2]
See also
- Vacuum Tower Telescope
- Swedish Solar Telescope
- Dutch Open Telescope
- Roque de los Muchachos Observatory
References
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- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ First light was obtained with a 1-meter test-mirror due to manufacturing issues with the main mirror
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