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planet Earth, ocean, astronomy, & space. From 1975 to 1978 Delhaye was the scientific director of INAG. His successor, Michel Petit, directed INAG from 1978 to 1985, when INAG became part of the
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271:(INSU). After leaving INAG and the TOAE department, Delhaye returned in 1979 to the Paris Observatory, where he retired in 1987. In the 1980s he made significant contributions to the
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221:. In 1971 Delhaye resigned from the Paris Observatory to head from 1971 to 1979 the newly formed Institut National d'Astronomie et de GĂ©ophysique (INAG) of the
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with a laudation citing not only his research, but also his teaching, helping French astronomers, and furthering international scientific cooperation.
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from 1945 to 1963). During his doctoral work, Delhaye acquired training from the world's leading specialists in galactic dynamics,
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Delhaye, J. (1965). "Chapter 4. Solar Motion and
Velocity Distribution of Common Stars". In Blaauw, A.; Schmidt, M. (eds.).
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233:. During his years at the Paris Observatory and then at the INAG, he also held an appointment from 1966 to 1976 as
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in
Stockholm in 1949. Delhaye worked from 1943 to 1957 at the Paris Observatory. From 1957 to 1964 he headed the
559:"Les membres du passé dont le nom commence par D (Deceased members with surnames beginning with the letter "D")"
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In 1964 Delhaye returned to the Paris
Observatory, where he was director from 1967 to 1971, as the successor to
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282:, correlations of the kinematic properties of stars with their physical properties, and the structure of the
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Delhaye, J. (1953). "Sur les propriétés cinématiques des étoiles names de type M à raies d'emission".
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465:(interview containing information about, among other things, the history of the Paris Observatory)
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158:(1921–2001) was a French astronomer and director of astronomical research at several institutes.
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proposed that INAG's director should also be simultaneously the scientific director of the CNRS
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443:"M. Jean Delhaye Remplace M. Jean-François Denisse à la Direction de l'Observatoire de Paris"
349:(The motions of stars and their significance in galactic astronomy). In 1987 he received the
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In April 1944 Jean
Delhaye married Jeanne Guézel. They had two sons and three daughters.
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182:(Contribution to the study of the distribution of stellar velocities) was supervised by
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178:. There he graduated with a doctorate in mathematical sciences in 1950. His thesis
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Histoire de la
Recherche Contemporaine. La Revue du Comité Pour l'Histoire du CNRS
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Die
Bewegungen der Sterne und ihre Bedeutung in der galaktischen Astronomie
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Research directors of the French
National Centre for Scientific Research
377:"Jean Delhaye, astronome, ancien directeur de l'Observatoire de Paris"
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525:. Stars and Stellar Systems, vol. 5. University of Chicago Press.
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urged INAG's involvement in space-based experiments. Around 1975,
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Contribution à l’étude de la distribution des vitesses stellaires
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Jean
Delhaye was elected in 1964 a corresponding member of the
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Entretien avec Jean
Delhaye le 2 juin 1986 (histcnrs.fr)
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from 1991 to 1992. He was appointed an Officer of the
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Solar Motion and Velocity Distribution of Common Stars
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At its inception, INAG dealt only with astronomy, but
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département TOAE (Terre, océan, astronomie, espace)
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345:and at the awarding of the medal gave the lecture
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251:and other geophysicists soon asked to join.
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269:Institut national des sciences de l'univers
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659:Academic staff of École Polytechnique
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326:Ordre national de la LĂ©gion d'honneur
170:, he pursued higher education at the
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669:Recipients of the Legion of Honour
654:University of Franche-Comté people
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595:"Prix Janssen 1987: Jean Delhaye"
477:"From INAG to INSU: Michel Petit"
425:"Jean Robert Émile Delhaye – ABC"
200:Besançon Astronomical Observatory
639:20th-century French astronomers
475:Petit, Michel (15 June 2013).
317:. He was the president of the
227:Canada–France–Hawaii Telescope
1:
186:(who was the director of the
338:Ordre des Palmes académiques
644:University of Rennes alumni
286:. He contributed a chapter
208:University of Franche-Comté
166:After secondary studies in
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649:University of Paris alumni
543:: CS1 maint: postscript (
341:. In 1982 he received the
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404:"Biographie Jean Delhaye"
335:, and a Commander of the
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30:Jean Robert Émile Delhaye
483:(Tome II - N°1): 18–27.
343:Karl Schwarzschild Medal
332:Ordre national du MĂ©rite
278:Delhaye did research on
99:Karl Schwarzschild Medal
19:Not to be confused with
275:satellite experiment.
194:in Leiden in 1948 and
563:Académie des sciences
329:, a Commander of the
320:Bureau des Longitudes
315:Académie des sciences
236:maître de conférences
219:Jean-François Denisse
172:University of Rennes
85:University of Rennes
611:1987LAstr.101..643.
531:1965gast.book...61D
408:Who's Who in France
242:École polytechnique
176:University of Paris
89:University of Paris
523:Galactic Structure
351:Prix Jules Janssen
309:Awards and honours
292:Galactic Structure
144:André-Louis Danjon
104:Prix Jules Janssen
290:to the 1965 book
212:AbrahĂŁo de Moraes
188:Paris Observatory
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132:Paris Observatory
112:Scientific career
46:February 25, 1921
16:French astronomer
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449:. 11 April 1968.
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383:. 4 April 2001.
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253:Jacques Blamont
196:Bertil Lindblad
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431:. 2023-07-09.
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184:André Danjon
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168:Valenciennes
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156:Jean Delhaye
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128:Institutions
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62:(2001-04-02)
634:2001 deaths
629:1921 births
533:; 626 pages
447:Le Monde.fr
381:Le Monde.fr
73:Citizenship
623:Categories
510:: 294–296.
357:References
280:astrometry
42:1921-02-25
539:cite book
284:Milky Way
273:Hipparcos
162:Biography
122:Astronomy
204:Besançon
192:Jan Oort
174:and the
50:Lourches
607:Bibcode
527:Bibcode
300:Schmidt
240:at the
206:at the
296:Blaauw
231:EISCAT
118:Fields
106:(1987)
101:(1982)
95:Awards
76:France
238:(MCF)
67:Paris
545:link
298:and
265:i.e.
229:and
223:CNRS
57:Died
36:Born
603:101
508:237
485:doi
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