• perspective.... Tom Gehrels was the husband of Aleida J. Gehrels (née de Stoppelaar) and father of Neil Gehrels, George Gehrels and Jo-Ann Gehrels. He died in...
    11 KB (1,108 words) - 13:04, 18 May 2023
  • university teacher Jürgen Gehrels (born 1935), German businessman Neil Gehrels (1952–2017), American astrophysicist Tom Gehrels (1925–2011), Dutch–American...
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  • 82P/Gehrels is a periodic comet that was discovered on October 27, 1975, by Tom Gehrels at the Palomar Mountain Observatory in California having a faint...
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  • Thumbnail for 78P/Gehrels
    78P/Gehrels, also known as Gehrels 2, is a Jupiter-family periodic comet in the Solar System with a current orbital period of 7.22 years. It was discovered...
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  • Thumbnail for Spacewatch
    similar currently active programs. Spacewatch was founded in 1980 by Tom Gehrels and Robert S. McMillan, and is currently led by astronomer Melissa Brucker...
    12 KB (1,063 words) - 17:37, 17 September 2024
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    and Makemake, though no-one would get credit for Haumea. Together with Tom Gehrels of the University of Arizona and his Spacewatch team, Rabinowitz discovered...
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  • jointly credited trio with Tom Gehrels and Ingrid, he was an extremely prolific discoverer of many thousands of asteroids. Gehrels did a sky survey using...
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  • Thumbnail for 16 Psyche
    ISBN 978-3642297182. Bell, J.F.; et al. (2015). Richard P. Binzel; Tom Gehrels; Mildred Shapley Matthews (eds.). Asteroids: The Big Picture in Asteroids...
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  • 39382 Opportunity (category Discoveries by Tom Gehrels)
    Ingrid and Cornelis van Houten, as well as Dutch–American astronomer Tom Gehrels from photographic plates taken at the Palomar Observatory, California...
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  • Thumbnail for Jerry Garcia
    asteroid that orbits between Mars and Jupiter after him in November 1995. Tom Gehrels, who had originally discovered the asteroid in 1985 but never named it...
    107 KB (12,872 words) - 04:46, 23 December 2024
  • the common S-type to the rather rare Q-type asteroids. In the 1990s, Tom Gehrels gave a first diameter estimate for Morpheus of 1.8 kilometers. According...
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  • 37452 Spirit (category Discoveries by Tom Gehrels)
    Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Tom Gehrels at Palomar Observatory, California. It was named after NASA's Spirit...
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  • 10979 Fristephenson (category Discoveries by Tom Gehrels)
    29 September 1973, by Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar Observatory in California, United States. The dark C-type...
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  • Thumbnail for 944 Hidalgo
    kilometers taken from the publication Hazards due to Comets and Asteroids (Tom Gehrels, 1994). The Collaborative Asteroid Lightcurve Link assumes a standard...
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  • 4065 Meinel (category Discoveries by Tom Gehrels)
    van Houten on photographic plates taken by Dutch–American astronomer Tom Gehrels at Palomar Observatory, California. The asteroid was named for American...
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  • Thumbnail for Arjuna
    Ekalaya, the king of the Paranggelung state). The American astronomer Tom Gehrels named a class of asteroids with low inclination, low eccentricity and...
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  • Observatory in 1978, and presumably taken on photographic plates by Tom Gehrels shortly after the last Palomar–Leiden Survey campaign, had its discovering...
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  • 2436 Hatshepsut (category Discoveries by Tom Gehrels)
    discovered by Cornelis van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory on 24 September 1960. It was named for pharaoh...
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  • Thumbnail for Ingrid van Houten-Groeneveld
    March 2015) was a Dutch astronomer. In a jointly credited trio with Tom Gehrels and her husband Cornelis Johannes van Houten, she was the discoverer...
    20 KB (1,564 words) - 20:34, 7 November 2024
  • Thumbnail for 2062 Aten
    diameter and its surface has a high albedo between 0.39 and 0.52. in 1994, Tom Gehrels published a diameter of 1.1 kilometers and an albedo of 0.26 in his book...
    16 KB (1,035 words) - 14:43, 9 September 2024
  • Thumbnail for 64P/Swift–Gehrels
    December 2024. S. Yoshida. "64P/Swift–Gehrels". www.aerith.net. Retrieved 31 December 2024. "64P/Swift–Gehrels – JPL Small-Body Database Lookup". ssd...
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  • 1998 KY26 (category Discoveries by Tom Gehrels)
    from radar observations in 1998 Discovery Discovered by Spacewatch (Tom Gehrels) Discovery site Kitt Peak Obs. Discovery date 28 May 1998 (discovery:...
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  • Thumbnail for Opposition surge
    opposition surge was described in 1956 by Tom Gehrels during his study of the reflected light from an asteroid. Gehrels' later studies showed that the same...
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  • Thumbnail for Opportunity (rover)
    van Houten-Groeneveld who, along with Cornelis Johannes van Houten and Tom Gehrels, discovered the asteroid on September 24, 1960. Opportunity's lander...
    47 KB (4,478 words) - 10:40, 18 December 2024
  • 1810 Epimetheus (category Discoveries by Tom Gehrels)
    couple Ingrid and Cornelis van Houten, and Dutch–American astronomer Tom Gehrels during the Palomar–Leiden survey at Palomar Observatory in California...
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    Photometry". nssdc.gsfc.nasa.gov. NASA. Retrieved February 19, 2011. T. Gehrels. "Pioneer 11: Imaging Photopolarimeter (IPP)". nssdc.gsfc.nasa.gov. NASA...
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  • 2934 Aristophanes (category Discoveries by Tom Gehrels)
    Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Tom Gehrels at the Palomar Observatory, California, United States. The survey designation...
    11 KB (713 words) - 02:03, 26 December 2023
  • Thumbnail for Neil Gehrels
    Sciences. Gehrels died on February 6, 2017, at the age of 64. On January 10, 2018, NASA announced that Swift had been renamed the Neil Gehrels Swift Observatory...
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    |url=https://skyandtelescope.org/astronomy-news/remembering-tom-gehrels-19252011/ |title=REMEMBERING TOM GEHRELS (1925-2011) |newspaper=Sky & Telescope |date=12 July...
    67 KB (7,877 words) - 01:52, 28 December 2024
  • Thumbnail for Haarlemmermeer
    Arnold Meijer (1905 in Haarlemmermeer – 1965) a Dutch fascist politician Tom Gehrels (1925 in Haarlemmermeer – 2011) a Dutch–American astronomer and academic...
    29 KB (2,800 words) - 05:09, 1 September 2024