- Mount John University Observatory
Mount John University Observatory
The Microlensing Observations in Astrophysics (MOA) telescope dome at the top of Mount John
Organization University of Canterbury Code 474 Location Mount John, South Island, New ZealandCoordinates Altitude 1,029 metres (3,376 ft) Weather 20% of nights photometric Established 1965 Website
Mt John University ObservatoryTelescopes
MOA Telescope 1.8-metre McLellan 1-metre Optical Craftsmen 0.6-metre Cassegrain Boller and Chivens 0.6-metre Earth & Sky 0.4-metre Meade
Mount John University Observatory (MJUO), is New Zealand's premier astronomical research observatory. It is situated at 1,029 metres (3,376 ft) ASL atop Mount John at the northern end of the Mackenzie Basin in the South Island, and was established in 1965. There are many telescopes on site including: one 0.4m, two 0.6m, one 1.0m, and a new 1.8m 'MOA Telescope' (see below) The nearest population center is the resort town Lake Tekapo (pop. <500). Approximately 20% of nights at MJUO are photometric, with a larger number available for spectroscopic work and direct imaging photometry.
MJUO is operated by the University of Canterbury, and is the home of HERCULES (High Efficiency and Resolution Canterbury University Large Echelle Spectrograph), and the observational wing of the Japanese/New Zealand MOA collaboration (Microlensing Observations in Astrophysics) led by Professor Yasushi Muraki of Nagoya University. A Japanese funded, 1.8 meter telescope is now in place and will be used initially by the MOA Project, before handover to the University of Canterbury at the conclusion of the MOA Project in 2012.
There are 5 large telescopes on the mountain that are in regular use. There is also a cafe and night-tours run by tourist operators, Earth and Sky. There is accommodation for visiting researchers within the 1.0m building. A Superintendent lives on the mountain.
Opened in 2004 December, this telescope was built by Japanese astronomers and is dedicated to the MOA project. It is a 1.8m prime focus reflector. The MOA telescope is the largest telescope in New Zealand.
This is a 1.0m Dall-Kirkham reflecting telescope run at either f/7.7 or f/13.5. Photometric imaging is by CCD camera and spectroscopy is by fibre-optic cable to the HERCULES spectrograph.
Boller & Chivens Telescope
This is a 0.61m reflecting telescope run at either f/13.5 or occasionally f/6.25. Photometry is usually carried out using an Apogee Alta CCD camera.
Optical Craftsmen Telescope
This is a 0.61m fork mounted reflecting telescope operating at f/16. This telescope is used exclusively for CCD photometry. It is currently being upgraded and commissioned for robotic use as part of the AAVSO's Robotic Telescope Network. This is the AAVSO's first Southern Hemisphere telescope.
Earth and Sky Telescope
This telescope, used exclusively for visual tourist operations is a 0.4m Meade LX200 telescope.
In June 2008 it was reported at the meeting of American Astronomical Society that using their new MOA-II telescope, the observatory discovered what is at the time the smallest planet known outside of our solar system. The planet MOA-2007-BLG-192Lb is just 3.3 times larger than Earth and is orbiting a small star, MOA-2007-BLG-192L (3000 light years from Earth). There is some possibility the planet has a thick atmosphere and a liquid ocean on its surface.
- ^ a b Rae, Sally (4 August 2009). "A tranquil trip to Lake Tekapo". Otago Daily Times. http://www.odt.co.nz/lifestyle/travel/68137/a-tranquil-trip-lake-tekapo?page=0%2C0. Retrieved 2009-08-04.
- ^ Rincon, Paul (2 June 2008). "Tiniest extrasolar planet found" (web). Astronomers have sighted the smallest extrasolar planet yet orbiting a normal star - a distant world just three times the size of our own.. BBC News. http://news.bbc.co.uk/2/hi/science/nature/7432114.stm. Retrieved 2008-06-03.
Astronomical observatories in New ZealandAshburton Astronomy Group Observatory · Benmore Peak · Beverly-Begg Observatory · Carter Observatory · Cawthron Atkinson Observatory · Farm Cove Observatory · Gifford Observatory · Hamilton Astronomical Society Observatory · Hawera Observatory · James Cook Observatory · Mount Albert Grammar School · Mount John University Observatory · Nankivell Observatory · New Plymouth Observatory · North Otago Astronomical Society Observatory · R. F. Joyce Observatory · Southland Astronomical Society Observatory · Stardome Observatory · Thomas King Observatory · Townsend Observatory · Ward Observatory · Whangarei Observatory
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