Paul Henry and Prosper Henry

Paul-Pierre Henry (Paul Henry) (21 August 1848 – 4 January 1905) and his brother Prosper-Mathieu Henry (Prosper Henry) (10 December 1849 – 25 July 1903) were French opticians and astronomers.

For other people named Paul Henry, see Paul Henry (disambiguation).
Paul Henry (left) and Prosper Henry (right)
Minor planets discovered: 14 (7 each)[1]
see § List of discovered minor planets

They made refracting telescopes and instruments for observatories, and were involved in the origin of the Carte du Ciel project.

Between the two of them, they discovered a total of 14 asteroids. The Minor Planet Center credits their discoveries under "P. P. Henry" and "P. M. Henry", respectively. The lunar crater Henry Frères (Henry brothers) and the Martian crater Henry are named after them. They were jointly awarded the first Valz Prize in 1877 for their sky charts designed to facilitate the search for minor planets.[2][3]

List of discovered minor planets
Discoveries by Paul Henry (P. P. Henry)[1]
126 Velleda5 November 1872list
141 Lumen13 January 1875list
152 Atala2 November 1875list
159 Aemilia26 January 1876list
164 Eva12 July 1876list
177 Irma5 November 1877list
227 Philosophia12 August 1882list
Discoveries by Prosper Henry
125 Liberatrix11 September 1872list
127 Johanna5 November 1872list
148 Gallia7 August 1875list
154 Bertha4 November 1875list
162 Laurentia21 April 1876list
169 Zelia28 September 1876list
186 Celuta6 April 1878list

Obituaries

Paul Henry

Prosper Henry

References
  1. "Minor Planet Discoverers (by number)". Minor Planet Center. 2018. Retrieved 27 March 2018.
  2. "The Valz Prize". Popular Astronomy. 21: 384. 1913.
  3. Ernest Maindron (1880). "Les Fondations de Prix à l'Académie des Sciences". La Revue Scientifique. 26–27: 87–88.
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