Canada–France–Hawaii Telescope

The Canada–France–Hawaii Telescope (CFHT) is located near the summit of Mauna Kea mountain on Hawaii's Big Island at an altitude of 4,204 meters (13,793 feet), part of the Mauna Kea Observatory. Operational since 1979,[1] the telescope is a Prime Focus/Cassegrain configuration with a usable aperture diameter of 3.58 metres (11.7 ft).

Canada–France–Hawaii Telescope
Alternative namesCFHT，Canada–France–Hawaii Telescope
Part ofMauna Kea Observatories 
Location(s)Hawaii County, Hawaii
Coordinates19°49′31″N 155°28′12″W
OrganizationFrench National Centre for Scientific Research
National Research Council Canada
University of Hawaiʻi at Mānoa 
Altitude4,204 m (13,793 ft)
Telescope styleastronomical observatory
optical telescope 
Location of Canada–France–Hawaii Telescope
Related media on Wikimedia Commons

CFHT currently planning a refurbishment to the facility in the 2020s. The facility will be reconstructed with a new 11-m telescope to produce the Maunakea Spectroscopic Explorer, retaining the same base building and infrastructure. First light is expected in 2029.

Funding

The corporation is bound by a tripartite agreement between the University of Hawaii at Manoa, in the United States, the National Research Council (NRC) in Canada and the Centre National de la Recherche Scientifique (CNRS) in France. CFHT also has partnerships with the National Astronomical Observatory of China (NAOC), the Academia Sinica Institute of Astronomy and Astrophysics (ASIAA) in Taiwan, the National Laboratory of Astrophysics (LNA) in Brazil and the Korea Astronomy and Space Science Institute (KASI) in Korea. The contributions from these associate partners help fund CFHT's future instrumentation. Currently, CFHT observing time is offered to scientists from all the seven countries in the partnership. Astronomers from the European Union can also submit proposals through the Optical Infrared Coordination Network for Astronomy (OPTICON) access program.

Instruments

CFHT currently operates four instruments:

Outreach

CFHT, in collaboration with Coelum Astronomia, maintains a public-outreach website called "Hawaiian Starlight"[8] which offers extremely high-quality versions of CFHT images in various formats including a yearly calendar.

CFHT with moon in the background
CFHT in the morning
The telescope in August 2002
Dark matter map from 2012 by CFHT Lensing Survey (CFHTLenS).[9][10] The central colour inset shows the previous largest COSMOS dark matter map

See also

References
  1. Canada France Hawaii Telescope
  2. MegaCam paper on ADS
  3. WIRCam paper on ADS
  4. "Relay optics to correct telescope aberrations and widen the usual field-of-view". Archived from the original on 2012-07-31. Retrieved 2012-02-01.
  5. ESPaDOnS paper on ADS
  6. "SITELLE Home Page". www.cfht.hawaii.edu. Retrieved 2021-07-23.
  7. "SPIRou homepage". www.cfht.hawaii.edu. Retrieved 2021-07-23.
  8. "Hawaiian Starlight Film - Exploring the Universe from Mauna Kea - CFHT's Official Site". www.cfht.hawaii.edu. Retrieved 2017-12-30.
  9. Heymans, Catherine; Van Waerbeke, Ludovic; Miller, Lance; Erben, Thomas; Hildebrandt, Hendrik; Hoekstra, Henk; Kitching, Thomas D.; Mellier, Yannick; Simon, Patrick; Bonnett, Christopher; Coupon, Jean (2012-11-21). "CFHTLenS: the Canada–France–Hawaii Telescope Lensing Survey: CFHTLenS". Monthly Notices of the Royal Astronomical Society. 427 (1): 146–166. arXiv:1210.0032. doi:10.1111/j.1365-2966.2012.21952.x.
  10. "News CFHT - Astronomers reach new frontiers of dark matter". www.cfht.hawaii.edu. Retrieved 2021-11-26.
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