Robert H. McNaught (born in Scotland in 1956) is a Scottish-Australian astronomer at the Research School of Astronomy and Astrophysics of the Australian National University (ANU). He has collaborated with David J. Asher of the Armagh Observatory.

The inner main-belt asteroid 3173 McNaught, discovered by Edward Bowell at Anderson Mesa Station in 1981, was named after him by its discoverer, following a suggestion by David Seargent.^[2]

Work

McNaught is a prolific discoverer of asteroids and comets, described as "the world's greatest comet discoverer"^[3] and he participated in the Siding Spring Survey (SSS) using the ANU's Uppsala Southern Schmidt Telescope.^[4] He discovered the Great Comet C/2006 P1 on 7 August 2006, the brightest comet in several decades, which became easily visible to the naked eye for observers in the Southern Hemisphere.^[5] The SSS was the only active professional Near Earth Object survey in the Southern Hemisphere. The survey ended in 2013 after funding dried up.^[6]

McNaught previously worked on the Anglo-Australian Near-Earth Asteroid Survey from 1990-1996.^[7]

Other work

McNaught worked at the University of Aston's satellite-tracking camera originally outside Evesham in 1982, thereafter at Herstmonceux and more recently at Siding Spring. In his spare time he successfully conducts patrols for novae, identifies images of prenovae and unusual variable stars on survey plates, measures their positions, makes astrometric observations of comets and minor planets and photometric observations of comets and novae. He also carries out extensive observational and computational work on meteors, as well as on occultations by minor planets.

Funding issues

In October 2011, partly due to changes in the exchange rate between the Australian and US dollars, Catalina Sky Survey of NASA had to end funding McNaught's southern survey,^[8] which used to cost $110,000 per year,^[9] ending the international cooperation in July 2012. The astronomer estimated that the survey needs $180,000 annually, plus a small one-time sum to fix the observatory dome.^[8] For several months the project was temporarily funded from the ANU, but in late 2012, the ANU advised that it could no longer support the program and that funds would not be available from January 2013.^{[10][failed verification]}

Discoveries

List of cometary discoveries

In total, McNaught has discovered 82 comets.

Long-period

McNaught has discovered 44 long-period comets:

Short period

McNaught has discovered 26 short-period comets:

Co-discoveries

McNaught is the co-discoverer of the following comets:

Groups

Comets McNaught-Hughes

• C/1990 M1 (a.k.a. 1991 III, 1990g)
• 130P/McNaught-Hughes (a.k.a. 1991 IX, 1991y)

Comets McNaught-Russell

• C/1991 C3 (a.k.a. 1990 XIX, 1991g)
• C/1991 Q1 (a.k.a. 1992 XI, 1991v)
• C/1991 R1 (a.k.a. 1990 XXII, 1991w)
• C/1993 Y1 (a.k.a. 1994 XI, 1993v)
• 262P/McNaught-Russell (a.k.a. 1994 XXIV, 1994u)

List of discovered minor planets

As of 2016, Robert McNaught is credited by the Minor Planet Center with the discovery and co-discovery of 483 minor planets during 1975-2005.^[1]

List of novae

• Nova Reticuli 2020

See also

• List of minor planet discoverers § R. H. McNaught

References

External links

• Siding Spring Survey