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Although his investigations were conducted with diligence rather than genius, Lalande's career was an eminent one. As a lecturer and writer he helped popularise astronomy. His planetary tables, into which he introduced corrections for mutual perturbations, were the best available up to the end of the
382:
was observed and recorded with uncertainty noted on its position with a colon, this notation could also indicate an observing error so it was not until the original records of the observatory were reviewed that it was established with certainty that the object was
Neptune and the position error
377:
that had been discovered the year before. He found that observations made by
Lalande's staff in 1795 were in the direction of Neptune's position in the sky at that time and that Neptune might appear in the observation records. On 8 May and again on 10 May 1795 a
289:
to calculate. In 1762 Delisle resigned the chair of astronomy in the Collège de France in
Lalande's favour. The duties were discharged by Lalande for forty-six years. His house became an astronomical seminary, and amongst his pupils were
1212:
987:
1222:
1207:
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between the two nights was due to the planet's motion across the sky. The discovery of these records of
Neptune's position in 1795 led to a better calculation of the planet's orbit.
1202:
1187:
453:
1192:
226:) to Pierre Lefrançois and Marie‐Anne‐Gabrielle Monchinet. His parents sent him to Paris to study law, but as a result of lodging in the Hôtel Cluny, where
992:
852:
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1177:
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234:. Having completed his legal studies, he was about to return to Bourg to practise as an advocate, when Lemonnier obtained permission to send him to
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1227:
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827:
412:
341:, the young astronomer who for the first time in history determined the size of the Pacific Ocean from east to west, was Lalande's disciple.
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whom he trained in mathematics so that she could help him with his work; according to more recent research she was not his daughter.
682:
405:
253:
475:
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441:
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1013:
291:
170:
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Portrait of Jerome
Lalande from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections
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518:(English translation 2002, 2014 including two biographies of Lalande and an examination of the structure of the diary)
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Lalande was an atheist, and wrote a dictionary of atheists with supplements that appeared in print posthumously.
243:
231:
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1134:
532:
230:
had his observatory, he was drawn to astronomy, and became the zealous and favoured pupil of both
Delisle and
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273:. He now devoted himself to the improvement of the planetary theory, publishing in 1759 corrected edition of
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in recognition of the wartime conduct of its teachers and pupils, a unique case among all schools in France.
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The successful execution of this task obtained for him, before he was twenty-one, admission to the
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17:
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820:
944:
744:
709:
Une loge maçonnique d'avant 1789: la R. L. Les neuf sœurs (Louis
Amiable – ed. Baillière, 1897)
531:(1759–1774), and again (1794–1807), and wrote the concluding two volumes of the 2nd edition of
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was searching historical records and surveys for possible prediscovery sightings of the planet
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used by Jérôme de
Lalande to measure the distance between the Earth and the Moon in 1751.
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of 1769 he won great fame. However, his difficult personality lost him some popularity.
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978:
585:
330:
274:
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Letters from baron de Franz Xaver von Zach to Joseph Jérôme Lefrançois de
Lalande
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500:
1046:
302:, and his own nephew Michel Lalande. By his publications in connection with the
1139:
458:
Voyage d'un françois en Italie, fait dans les années 1765 et 1766. Tome premier
313:, founded the "Les Sciences" lodge in Paris, and received its recognition from
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471:(1st Ed., 2 vols., 1764; 2nd Ed., 4 vols., 1771–1781; 3rd Ed., 3 vols., 1792)
873:
203:
134:
514:
239:
996:. Vol. 16 (11th ed.). Cambridge University Press. p. 95.
948:
374:
1127:
Joseph Jérôme Le Français de
Lalande letters to Mme. Dupiery, MSS 530
235:
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He never married. He was believed to have an illegitimate daughter
977:
This article incorporates text from a publication now in the
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390:
252:
96:
857:
Background To Discovery: Pacific Exploration from Dampier To Cook
1130:
430:
870:
Political Ideas of Enlightenment Women: Virtue and Citizenship
523:
He communicated more than one hundred and fifty papers to the
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574:(in French). Vol. 3. Paris: veuve Nicolas Desaint. 1771.
564:(in French). Vol. 2. Paris: veuve Nicolas Desaint. 1771.
554:(in French). Vol. 1. Paris: veuve Nicolas Desaint. 1771.
1213:
Honorary members of the Saint Petersburg Academy of Sciences
868:
Curtis-Wendlandt, Lisa; Gibbard, Paul; Green, Karen (2016).
730:
1143:
853:"The Men from Across La Manche: French Voyages, 1660–1790"
269:, as well as his election as an adjunct astronomer to the
440:
is named after Lalande. This high school was awarded the
411:
In 1781, he was elected a Foreign Honorary Member of the
648:
646:
644:
642:
505:(1769), a valuable record of his travel in 1765–1766.
485:(1803), with a history of astronomy from 1780 to 1802
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Fellows of the American Academy of Arts and Sciences
667:"The First Anticipated Return: Halley's Comet 1758"
166:
150:
140:
130:
115:
107:
85:
60:
34:
1208:Members of the Royal Swedish Academy of Sciences
1073:Histoire des sciences mathématiques et physiques
698:Dictionnaire universel de la Franc-maçonnerie
404:In 1765, Lalande was elected a member of the
325:to be chosen as the first worshipful master.
8:
898:The Biographical Encyclopedia of Astronomers
1203:Members of the Prussian Academy of Sciences
1095:, second edition, Paris, 1893, p. 283
731:Curtis-Wendlandt, Gibbard & Green 2016
42:
31:
1188:Members of the French Academy of Sciences
1018:Histoire de l'astronomie au XVIIIe siècle
479:(1801), giving the places of 47,390 stars
317:in 1772. In 1776, he changed its name to
652:
281:whose return in that year he had helped
821:"Book of Members, 1780–2010: Chapter B"
749:MacTutor History of Mathematics archive
626:
718:
633:
420:72 names inscribed on the Eiffel Tower
329:18th century. In 1801, he endowed the
828:American Academy of Arts and Sciences
793:
745:"Joseph-Jérôme Lefrançais de Lalande"
413:American Academy of Arts and Sciences
189:
7:
988:Lalande, Joseph Jérôme Lefrançais de
238:, to make observations on the lunar
183:Joseph Jérôme Lefrançois de Lalande
18:Joseph Jérôme Lefrançois de Lalande
743:Robertson, E. F.; O'Connor, J. J.
25:
1193:Burials at Père Lachaise Cemetery
510:Journal d'un voyage en Angleterre
406:Royal Swedish Academy of Sciences
1131:L. Tom Perry Special Collections
1067:Biographisch-lit. Handwörterbuch
1034:Histoire de l'astronomie moderne
970:
805:
1218:19th-century French astronomers
1178:18th-century French astronomers
1093:Mathématiques et mathématiciens
1026:, II, 288 (1810) (Mme de Salm);
929:The planet observer's handbook
861:University of California Press
502:Voyage d'un françois en Italie
1:
1083:Mathematics Genealogy Project
464:His published works include:
337:, for advances in astronomy.
277:'s tables, with a history of
171:Jean Baptiste Joseph Delambre
27:French astronomer (1732–1807)
1228:Fellows of the Royal Society
1173:Writers from Bourg-en-Bresse
1010:, VIII (1807) (JBJ Delambre)
945:"USNO – Our Command History"
927:Price, Fred William (2000).
700:; p. 501 (Larousse ed. 2011)
1041:Geschichte der Himmelskunde
770:"Amélie Harlay - Biography"
1249:
1117:Abrégé de navigation (pdf)
1057:Bibliographie astronomique
933:Cambridge University Press
675:Princeton University Press
665:Grier, David Alan (2005).
537:Histoire des mathématiques
525:French Academy of Sciences
516:Diary of a Trip to England
483:Bibliographie astronomique
476:Histoire céleste française
397:cimetière du Père-Lachaise
358:
335:French Academy of Sciences
271:French Academy of Sciences
1051:Geschichte der Astronomie
855:. In Howse, Derek (ed.).
671:When Computers Were Human
442:Médaille de la Résistance
355:Near discovery of Neptune
242:in concert with those of
232:Pierre Charles Le Monnier
198:April 1807) was a French
176:
161:Pierre Charles Le Monnier
123:
41:
1135:Brigham Young University
851:Chapin, Seymour (1990).
993:Encyclopædia Britannica
895:Hockey, Thomas (2009).
418:His name is one of the
349:Marie-Jeanne de Lalande
309:In 1766, Lalande, with
257:Quarter of a circle by
1024:Magazin encyclopédique
1008:Mémoires de l'Institut
461:
400:
387:Awards and recognition
333:, administered by the
315:Grand Orient de France
262:
157:Joseph-Nicolas Delisle
611:Officina Typographica
596:Felis (constellation)
529:Connoissance de temps
456:
394:
256:
53:Jean-Honoré Fragonard
1036:, t. III, (ed. 1785)
495:Abrégé de navigation
489:Astronomie des dames
371:US Naval Observatory
361:Discovery of Neptune
339:Pierre-Antoine Véron
287:Nicole-Reine Lepaute
214:Lalande was born at
1142:(1792-1806) at the
1110:Traité d'astronomie
903:Springer Publishing
469:Traité d'astronomie
433:is named after him.
321:, and arranged for
1071:Maximilien Marie:
677:. pp. 11–25.
462:
401:
263:
194:; 11 July 1732 – 4
49:Jérôme de La Lande
1233:French Freemasons
1148:Paris Observatory
912:978-0-387-31022-0
887:978-1-317-07876-0
436:A high school in
365:In February 1847
323:Benjamin Franklin
267:Academy of Berlin
248:Cape of Good Hope
180:
179:
167:Doctoral students
145:Paris observatory
125:Scientific career
16:(Redirected from
1240:
1108:Tome premier de
1088:Alphonse Rebière
997:
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616:VY Canis Majoris
601:Quadrans Muralis
575:
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304:transit of Venus
197:
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191:[lalɑ̃d]
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152:Doctoral advisor
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68:
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32:
21:
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1183:French atheists
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1144:digital library
1104:
1004:
1002:Further reading
986:, ed. (1911). "
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606:Atlas Coelestis
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438:Bourg-en-Bresse
389:
367:Sears C. Walker
363:
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319:Les Neuf Soeurs
296:Giuseppe Piazzi
283:Alexis Clairaut
259:Jonathan Sisson
216:Bourg-en-Bresse
212:
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103:
94:
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75:Bourg-en-Bresse
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1198:Les Neuf Sœurs
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1137:
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1119:
1114:
1103:
1102:External links
1100:
1099:
1098:
1085:
1079:Jérôme Lalande
1076:
1069:
1063:JC Poggendorff
1060:
1053:
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984:Chisholm, Hugh
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796:, p. 352.
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359:Main article:
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300:Pierre Méchain
279:Halley's Comet
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36:Jérôme Lalande
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979:public domain
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774:Maths History
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733:, p. 85.
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694:
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686:
684:0-691-09157-9
680:
676:
673:. Princeton:
672:
668:
661:
658:
655:, p. 95.
654:
653:Chisholm 1911
649:
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621:
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586:Lalande 21185
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527:, edited the
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449:Notable works
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331:Lalande Prize
326:
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284:
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275:Edmond Halley
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30:
19:
1109:
1092:
1072:
1066:
1056:
1055:JJ Lalande,
1050:
1040:
1033:
1023:
1017:
1014:J-B Delambre
1007:
991:
963:
962:
954:11 September
952:. Retrieved
928:
916:. Retrieved
897:
869:
856:
831:. Retrieved
815:
806:
801:
789:
777:. Retrieved
773:
764:
752:. Retrieved
748:
738:
726:
714:
705:
697:
693:
670:
660:
629:
570:
560:
550:
543:Publications
536:
528:
522:
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509:
501:
494:
488:
482:
474:
468:
463:
457:
379:
364:
346:
343:
327:
308:
264:
213:
206:and writer.
182:
181:
141:Institutions
124:
91:(1807-04-04)
89:4 April 1807
71:11 July 1732
48:
29:
1168:1807 deaths
1163:1732 births
1059:p. 428
964:Attribution
719:Chapin 1990
636:, p. .
634:Hockey 2009
425:The crater
220:département
108:Nationality
1157:Categories
1039:J Mädler:
935:. p.
876:. p.
845:References
794:Price 2000
754:21 January
571:Astronomie
561:Astronomie
551:Astronomie
200:astronomer
67:1732-07-11
1112:, de 1764
1030:JS Bailly
918:22 August
874:Routledge
311:Helvetius
210:Biography
204:freemason
135:Astronomy
55:, c. 1769
779:20 April
580:See also
539:(1802).
533:Montucla
395:Tomb at
292:Delambre
244:Lacaille
240:parallax
116:Children
1081:at the
1075:IX, 35.
1043:II, 141
981::
949:US Navy
833:28 July
513:(1763)
429:on the
427:Lalande
375:Neptune
369:of the
246:at the
228:Delisle
187:French:
1047:R Wolf
975:
909:
884:
681:
497:(1793)
491:(1785)
460:, 1769
236:Berlin
196:
131:Fields
111:French
101:France
79:France
824:(PDF)
622:Notes
97:Paris
956:2009
920:2012
907:ISBN
882:ISBN
835:2014
807:USNO
781:2023
756:2019
679:ISBN
431:Moon
380:star
285:and
86:Died
61:Born
1129:at
990:".
937:352
535:'s
224:Ain
222:of
51:by
1159::
1146:,
1133:,
1090:,
1065:,
1049:,
1032:,
1016::
947:.
931:.
905:.
901:.
880:.
878:85
872:.
859:.
826:.
772:.
747:.
669:.
641:^
298:,
294:,
250:.
202:,
99:,
77:,
1097:.
958:.
939:.
922:.
890:.
863:.
837:.
810:.
783:.
758:.
687:.
422:.
415:.
408:.
399:.
218:(
185:(
119:1
69:)
65:(
20:)
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