Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green

Souillart, Cyrille Joseph

  • Emmanuel Davoust
Reference work entry

BornBruay-en-Artois (Pas-de-Calais), France 20 January 1828

DiedLille, France 9 May 1898

Cyrille Souillart was a professor of mechanics and astronomy at the University of Lille who had a lifelong interest in the theory of Jupiter’s satellites.

Souillart was of modest origin. His father was a primary school teacher. In 1851 he was accepted at Ecole Normale Supérieure, where Victor Puiseux’s lectures sparked his interest in celestial mechanics. He was a high school teacher from 1854 to 1874. Souillart defended a thesis entitled Analytical theory of Jupiter’s satellites at the University of Paris in 1865. In 1873 he was named professor of rational and applied mechanics and in 1887 full professor of astronomy, at the University of Lille, where he was a colleague of Joseph Boussinesq.

The theory of motion for Jupiter’s satellites was first developed by  Pierre-Simon de Laplace in book eight of his Treatise of Celestial Mechanics. Laplace determined an approximate analytical solution for...

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Selected References

  1. (1888). “Revue des publications astronomiques. Souillart. Théorie analytique des mouvements des satellites de Jupiter”. Bulletin Astronomique, 5: 388–393.Google Scholar
  2. (1898). “Souillart, Cyrille Joseph”, Monthly Notices of the royal astronomical Society, 59: 233–234.Google Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Observatoire Midi-PyrénéesToulouseFrance