Paul-Auguste-Ernest Laugier
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Paul-Auguste-Ernest Laugier (22 December 1812, in
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
– 5 April 1872) was a French astronomer, one of two French astronomers referred to as M. Laugier.


Early life and education

The son of
André Laugier André Laugier (1 August 1770, in Lisieux – 19 April 1832, in Paris) was a French chemist, pharmacist and mineralogist. He was a cousin to famed chemist Antoine François Fourcroy and the father of astronomer Paul Auguste Ernest Laugier ( ...
, a chemist (1 August 1770 – 9 April 1832), studied astronomy under
François Arago Dominique François Jean Arago (), known simply as François Arago (; Catalan: , ; 26 February 17862 October 1853), was a French mathematician, physicist, astronomer, freemason, supporter of the Carbonari revolutionaries and politician. Early l ...
.


Career

He then obtained a post in the observatory at Paris, made important discoveries in regard to magnetism, comets, eclipses, meteors, and sunspots, and made improvements in astronomical clocks. Laugier determined the exact latitude of the
Paris observatory The Paris Observatory (, ), a research institution of the Paris Sciences et Lettres University, is the foremost astronomical observatory of France, and one of the largest astronomical centres in the world. Its historic building is on the Left Ban ...
(1853), correcting previous errors. He published a catalogue of fifty-three nebulae, and another (1857) of the declination of 140 stars, and contributed astronomical papers to the ''Connaissance du Temps''. He was long associated with Arago in researches on terrestrial physics, and was for some years president of the Academy of Sciences.Laugier (Ernest), Présidents de l'Académie des sciences


Work

* Laugier, Paul-Auguste-Ernest, “Note sur la première comète de 1301”, Comptes rendus hebdomadaires des séances de l’Académie des sciences, 15 (1842), 949-95
Gallica
* Laugier, Paul-Auguste-Ernest, “Notice sur l’apparition de la comète de Halley en 1378”, Comptes rendus hebdomadaires des séances de l’Académie des sciences, 16 (1843), 1003-100
Gallica
* Laugier, Paul-Auguste-Ernest, “Mémoire sur quelque comètes anciennes”, Comptes rendus hebdomadaires des séances de l’Académie des sciences, 22 (1846), 148-15
Gallica
–
orbital elements Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems using a Kepler orbit. There are many different ways to mathematically describe the same o ...
of the comets of 568, 770, 1337, 1433, 1468, 1472 & 1506. * Laugier, Paul-Auguste-Ernest, “Mémoire sur quelques anciennes apparitions de la comète de Halley, inconnues jusqu’ici”, Comptes rendus hebdomadaires des séances de l’Académie des sciences, 23 (1846), 183-18
Gallica


See also

* La Recherche de l'Absolu


References


External links


Paul-Auguste-Ernest Laugier (1812–1872), Gloubik Sciences
* Obituary:
Monthly Notices of the Royal Astronomical Society ''Monthly Notices of the Royal Astronomical Society'' (MNRAS) is a peer-reviewed scientific journal in astronomy, astrophysics and related fields. It publishes original research in two formats: papers (of any length) and letters (limited to ...
, Vol. 33 (1873), pp. 211–21

*
Universal Cyclopædia & Atlas The 12-volume ''Universal Cyclopaedia'' was edited by Charles Kendall Adams, and was published by D. Appleton & Company in 1900. The name was changed to ''Universal Cyclopaedia and Atlas'' in 1902, with Rossiter Johnson as the editor. History Th ...
, 1902 ed., New York, D. Appleton & Co., a publication now in the
public domain The public domain (PD) consists of all the creative work to which no Exclusive exclusive intellectual property rights apply. Those rights may have expired, been forfeited, expressly Waiver, waived, or may be inapplicable. Because no one holds ...

E. Laugier
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Astrophysics Data System The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers on astronomy and physics, operated for NASA by the Smithsonian Astrophysical Observatory. ADS maintains three bibliographic collections containing over 15 ...
1812 births 1872 deaths Scientists from Paris 19th-century French astronomers French physicists École Polytechnique alumni Recipients of the Lalande Prize {{france-astronomer-stub