Edme-Sébastien Jeaurat

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Edme-Sébastien Jeaurat, 1759

Edme-Sébastien Jeaurat (born September 14, 1725 in Paris , † March 7, 1803 ibid) was a French astronomer .

Life

Edme-Sébastien Jeaurat was born in Paris as the son of Edme Jeaurat , a French engraver . His maternal grandfather, Sébastien Le Clerc , as well as his uncle Étienne Jeaurat and his brother Nicolas Henri Jeaurat de Bertry were also active as artists. As a result, Edme-Sébastien Jeaurat also pursued this profession in his youth, he was awarded a medal from the Académie royale de peinture et de sculpture and published an essay on perspective in 1750 (“Essai de perspective à l'usage des artistes ") . At the same time, he was from a family friend, an astronomer of the sciences Académie in mathematics teaching.

From 1749 Jeaurat worked as a kind of engineering geographer under the direction of César François Cassini de Thury on one of King Louis XV. commissioned project with the aim of cartography of France (" Carte de Cassini ") . However, he left this position in 1753 and from then on taught mathematics at the École militaire . Subsequently, under the influence of Jérôme Lalande, he began to study astronomy and set up an observatory at the École militaire. In the course of the following years he calculated orbits and oppositions , focusing in particular on the planet Jupiter and observing Halley's comet in 1759 . From 1770 he worked at the Paris Observatory before he took over the publication of the Connaissance des temps by Lalande from 1776 to 1787 . In addition, he published a map of 64 stars of the Pleiades .

In 1763 Jeaurat was accepted into the Académie des sciences, before being elected as a foreign member of the American Academy of Arts and Sciences in 1783 . He was also appointed a member of the restored Institut de France in 1796 after losing his job and his pension in the wake of the French Revolution . He also returned to the Paris Observatory and spent the last years of his life there.

Jeaurat died on March 7, 1803 in Paris.

literature

  • Jean-Baptiste Joseph Delambre : Histoire de l'astronomie au dix-huitième siècle. Paris, 1827, pp. 748-755.
  • Jérôme Lalande : Notice des travaux de l'astronome Jeaurat, le 18 ventôse, aux obsèques de Jeaurat. In: Magasin encyclopédique, ou Journal des sciences, des lettres et des arts, Fuchs, Paris, 1803, year 8, volume 5, pp. 404–407.

Individual evidence

  1. Book of Members 1780 – present, Chapter J. (PDF; 354 ​​kB) In: American Academy of Arts and Sciences (amacad.org). Retrieved May 2, 2018 .