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On pp. 189–190, after discussing
Schwabe's discovery of the solar cycle, Gautier presents Lamont's findings on the relation between the solar cycle and the periodic variations in the magnetic declination. Gautier mentions that the Austrian astronomer Augustin Reslhuber (1808–1875) confirmed Lamont's
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Thomas Hockey; Katherine
Bracher; Marvin Bolt; Virginia Trimble; Richard Jarrell; JoAnn Palmeri; Jordan D. Marché; Thomas Williams; F. Jamil Ragep (18 September 2007).
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in 1819, he was appointed astronomy professor then, in 1821, professor of advanced mathematics at the
University of Geneva and director of the
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458:[On the ten-year period in the magnitude of the daily movement of the declination needle, which was observed by Dr. Lamont].
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441:[Notice on some recent astronomical and physical investigations regarding appearances that the body of the sun shows].
439:"Notice sur quelques recherches récentes, astronomiques et physiques, relative aux apparences que présente le corps du soleil"
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Gautier married Angélique
Frossard de Saugy in 1826, then in 1849 Louise Cartier. He died without children in Geneva.
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In 1839, visual impairments prevented him from continuing his career and he gave up his position to one of his pupils,
456:"Ueber die vom Dr. Lamont beobachtete zehn-jährige Periode in der Größe der täglichen Bewegung der Declinationsnadel"
305:) announced independently that the sunspot cycle period was absolutely identical to that of geomagnetic activity.
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Research on concomitance between sunspot cycle period and geomagnetic activity
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Angélique
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335:Broughton, Peter (2014). "Gautier, Jean-Alfred".
293:'s results, Gautier and three other researchers (
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193:Essai historique sur le problème des trois corps
172:Essai historique sur le problème des trois corps
238:Historical essay on the problem of three bodies
205:(18 July 1793 – 30 November 1881) was a
289:In 1852, within a year of the publication of
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527:Academic staff of the University of Geneva
487:"National Center for Atmospheric Research"
236:in Paris in 1817; his thesis was entitled
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413:Biographical Encyclopedia of Astronomers
337:Biographical Encyclopedia of Astronomers
324:Library of Congress Name Authority File
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397:Historical Dictionary of Switzerland
252:. In 1818 he worked in England with
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232:. He was awarded a doctorate in
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517:19th-century Swiss astronomers
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345:10.1007/978-1-4419-9917-7_505
240:. His academic advisors were
224:He studied astronomy at the
547:Swiss expatriates in France
416:. Springer. pp. 411–.
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522:University of Paris alumni
462:. 2nd series (in German).
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472:10.1002/andp.18521610311
437:Gautier, Alfred (1852).
372: Marcel Golay:
542:Scientists from Geneva
454:Reslhuber, A. (1852).
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146:Mathematics, astronomy
265:Observatory of Geneva
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155:Observatory of Geneva
226:University of Geneva
159:University of Geneva
110:University of Geneva
74:Geneva (Switzerland)
449:: 177–207, 265–282.
234:celestial mechanics
230:University of Paris
199:Jean-Alfred Gautier
114:University of Paris
23:Jean-Alfred Gautier
460:Annalen der Physik
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56:Republic of Geneva
423:978-0-387-30400-7
354:978-1-4419-9916-0
303:Johann von Lamont
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69:(1881-11-30)
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299:Rudolf Wolf
100:Switzerland
88:Citizenship
511:Categories
497:2014-06-30
312:References
269:equatorial
44:1793-07-18
213:Biography
128:Spouse(s)
259:Back in
254:Herschel
250:Legendre
246:Lagrange
391:Italian
291:Schwabe
242:Laplace
219:Cologny
52:Cologny
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385:French
379:German
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275:and a
273:Gambey
261:Geneva
177:(1817)
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166:Thesis
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207:Swiss
418:ISBN
388:and
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