Mount Lemmon Survey

Mount Lemmon Survey (MLS) is a part of the Catalina Sky Survey with observatory code G96.[2] MLS uses a 1.52 m (60 in) cassegrain reflector telescope (with 10560x10560-pixel camera at the f/1.6 prime focus, for a five square degree field of view)[3] operated by the Steward Observatory at Mount Lemmon Observatory, which is located at 2,791 meters (9,157 ft) in the Santa Catalina Mountains northeast of Tucson, Arizona.

Mount Lemmon Survey
Alternative namesMLS
Coordinates32°26′31″N 110°47′20″W
Observatory codeG96
Websitewww.lpl.arizona.edu/css/css_facilities.html
Minor planets discovered: 50,178 [1]
see List of minor planets § Main index

It is currently one of the most prolific surveys worldwide, especially for discovering near-Earth objects. MLS ranks among the top discoverers on the Minor Planet Center's discovery chart with a total of more than 50,000 numbered minor planets.[1][4]

History

Andrea Boattini and the survey accidentally rediscovered 206P/Barnard-Boattini, a lost comet, on 7 October 2008.[5] The comet has made 20 revolutions since 1892 and passed within 0.3–0.4 AU of Jupiter in 1922, 1934 and 2005.[6][7] This comet was also the first comet to be discovered by photographic means, by the American astronomer Edward Emerson Barnard, who did so on the night of 13 October 1892.[5]

On 12 January 2008, Mount Lemmon Survey discovered the near-Earth asteroid 2008 AO112 at an apparent magnitude of 21 using a 1.5-meter (59 in) reflecting telescope.[8]

2011 UN63 was discovered by the Mount Lemmon Survey on 27 September 2009 and it is a stable L5 Mars trojan asteroid.[9] [10] The survey also discovered the unusual Aten asteroid 2012 FC71, a dynamically cold Kozai resonator, on 31 March 2012.[11]

See also

References
  1. "Minor Planet Discoverers (by number)". Minor Planet Center. 12 January 2017. Retrieved 2 February 2017.
  2. "List Of Observatory Codes". Minor Planet Center. Retrieved 2 September 2015.
  3. "CSS Telescopes". Retrieved 9 January 2020.
  4. "Catalina Sky Survey Facilities – The Mt. Lemmon Survey (MLS)". University of Arizona. Retrieved 2 September 2015.
  5. 206P at Garry Kronk’s Cometography Archived 2010-09-25 at the Wayback Machine
  6. IAUC 8995
  7. The COCD Homepage
  8. "MPEC 2008-D33". IAU Minor Planet Center. 25 February 2008. Retrieved 28 August 2013. (K08AB2O)
  9. de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (2013). "Three new stable L5 Mars Trojans". Monthly Notices of the Royal Astronomical Society: Letters. 432 (1): L31–L35. arXiv:1303.0124. Bibcode:2013MNRAS.432L..31D. doi:10.1093/mnrasl/slt028.
  10. Christou, A. A. (2013). "Orbital clustering of Martian Trojans: An asteroid family in the inner solar system?". Icarus. 224 (1): 144–153. arXiv:1303.0420. Bibcode:2013Icar..224..144C. doi:10.1016/j.icarus.2013.02.013. S2CID 119186791.
  11. de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (2013). "A resonant family of dynamically cold small bodies in the near-Earth asteroid belt". Monthly Notices of the Royal Astronomical Society: Letters. 434: L1–L5. arXiv:1305.2825. Bibcode:2013MNRAS.434L...1D. doi:10.1093/mnrasl/slt062.
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