Arthur Hoag

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Arthur Allen Hoag (1921–1999) was an American astronomer most famous for his discovery of Hoag's Object, a type of ring galaxy in 1950.


He was the son of Lynne Arthur Hoag (Harvard Medical School, Cornell, and University of Michigan faculty member) and wife Wylma Wood Hoag. He had two sisters, Mary Alice (born 1922) and Elizabeth Ruth (born 1919), a son named Tom and a daughter named Stefanie. His mother and sister Mary (aged 3) died on June 1, 1926 when the Washington Irving was rammed by an oil barge and sunk on the North River.[1][2]

He received his Ph.D. in Astronomy from Harvard in 1953 under Bart Bok. In 1977, he became director of the Lowell Observatory in Flagstaff, Arizona. He was noted for his work in photoelectric and photographic photometry. Hoag also developed astronomical sites and instruments, and researched quasi-stellar objects.[3]

Awards and honors[edit]

Asteroid 3225 Hoag, discovered by Carolyn and Eugene Shoemaker, was named after him in December 1985.[3]


  1. ^ "Day Liner Is Sunk in Hudson by Barge; Two Are Missing", The New York Times, New York, p. 1, June 2, 1926, ISSN 0362-4331 
  2. ^ "Dr. Lynne Hoag Dies; Former Professor", The New York Times, New York (published February 18, 1936), p. 23, February 17, 1936, ISSN 0362-4331 
  3. ^ a b Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (3225) Hoag. Springer Berlin Heidelberg. ISBN 978-3-540-00238-3. Retrieved 5 May 2018.