Leibniz Institute for Astrophysics Potsdam Leibniz Institute for Solar Physics Max Planck Institute for Solar System Research
Wavelength
350 nm (860 THz)–2,000 nm (150 THz)
First light
12 March 2009
Telescope style
Gregorian telescope solar telescope
Diameter
1.5 m (4 ft 11 in)
Angular resolution
0.08 arcsecond
Focal length
55.6 m (182 ft 5 in)
Enclosure
dome
Website
www.leibniz-kis.de/en/observatories/gregor/
Location of GREGOR Solar Telescope
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[edit on Wikidata]
GREGOR is a solar telescope, equipped with a 1.5 m primary mirror,[1] located at 2,390 m altitude at the Teide Observatory on Tenerife in the Canary Islands. It replaces the older Gregory Coudé Telescope and was inaugurated on May 21, 2012.[2][3] First light, using a 1 metre test mirror, was on March 12, 2009 (2009-03-12).[4][5]
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.[6][needs update]
^"Präziser Blick in die Sonne dank temperaturstabiler Glaskeramik". 2012-05-30. Retrieved 2016-04-14.
^"GREGOR Telescope". KIS website. Kiepenheuer-Institut für Sonnenphysik. Retrieved 11 January 2014.
^"GREGOR". IAC website. Instituto de Astrofísica de Canarias. Retrieved 11 January 2014.
^First light was obtained with a 1-meter test-mirror due to manufacturing issues with the main mirror
^"GREGOR telescope: Zooming in on the sun". phys.org website. phys.org. May 10, 2012. Retrieved 11 January 2014.
^"GREGOR Optical Design". KIS website. Kiepenheuer-Institut für Sonnenphysik. Retrieved 11 January 2014.
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