Peach Mountain Observatory

The Peach Mountain Observatory (PMO) is an astronomical observatory owned and operated by the University of Michigan (UM). It is located near the village of Dexter, Michigan (USA), about 20 kilometers (12 mi) northwest of Ann Arbor. It was opened in 1955, and is used for research, instruction, and amateur observing.

Peach Mountain Observatory
OrganizationUniversity of Michigan
LocationDexter, Michigan
Coordinates42.3988°N 83.9355°W / 42.3988; -83.9355
Altitude315 meters (1,033 ft)
Established1955 (1955)
WebsitePeach Mountain Observatory
Telescopes
Peach Mountain Radio Telescope26 m reflector
McMath-Hulbert Telescope0.6 m reflector
Location of Peach Mountain Observatory

Other observatories that UM has operated include the Detroit Observatory (Ann Arbor, Michigan, 1854), the Angell Hall Observatory (Ann Arbor, Michigan, 1927), the Lamont-Hussey Observatory (South Africa, 1928), the McMath-Hulbert Observatory (Lake Angelus, Michigan, 1930), and the Portage Lake Observatory (Dexter, Michigan, 1948).

Telescopes
  • The 26 m (85 ft) Peach Mountain Radio Telescope is parabolic reflector built in 1958 with funds provided by the United States Navy Office of Naval Research. Since the mid-1960s it has focused on the monitoring the flux density and linear polarization of radio emissions from active extragalactic objects.[1]
  • The 0.6 m (24 in) McMath-Hulbert Telescope, formally known as Francis C. McMath Memorial 24-Inch Reflecting Telescope, was built in 1940 and installed at the nearby McMath-Hulbert Observatory.[2] It was dismantled in 1958 and then re-installed in a new building at PMO in 1959.[3] UM stopped using the telescope in 1979 and transferred control to the University Lowbrow Astronomers, an amateur astronomy club at UM.[4]
  • A 8.5 m (28 ft) radio telescope was completed in 1956, but it has not been used for decades.[5] The control building continues to be used by the UM Astronomy Department.[4]
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See also

References
  1. "Michigan Astronomy | Radio Observatory". University of Michigan Astronomy Department. Retrieved 2012-01-13.
  2. Snyder, Dave. "The History of the McMath-Hulbert Observatory". University Lowbrow Astronomers. Retrieved 2012-01-13.
  3. "Reports of Observatories". Astronomical Journal. 65: 505. November 1960. Bibcode:1960AJ.....65..505.. doi:10.1086/108304.
  4. Snyder, Dave. "The History of the Peach Mountain Observatory". University Lowbrow Astronomers. Retrieved 2012-01-13.
  5. "Reports of Observatories". Astronomical Journal. 62: 283. November 1957. Bibcode:1957AJ.....62..283.. doi:10.1086/107538.


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