References of "Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique"
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See detailEncore Renier de Huy
Kurth, Godefroid ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1905), 4

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See detailRenier de Huy : auteur véritable des fonds baptismaux de Saint-Barthélemy de Liège et le prétendu Lambert Patras
Kurth, Godefroid ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1903), 8

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See detailLes nationalités en Auvergne au VIe siècle
Kurth, Godefroid ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1900), 4

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See detailVérification pratique des formules du mouvement de l'écorce terrestre
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1899), 9-10

After a summary of his last researches, the author wants to demonstrate; the existence of a retrograde term of nutation at Chandlerian period, the existence of Eulerian, Chandlerian and annuals terms and ... [more ▼]

After a summary of his last researches, the author wants to demonstrate; the existence of a retrograde term of nutation at Chandlerian period, the existence of Eulerian, Chandlerian and annuals terms and the explanation of latitude variations. [less ▲]

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See detailVérification de l'existence de la nutation eulérienne dans les latitudes observées à Greenwich pendant les années 1880-1891
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1898), 3e série, t. 36(11), 392-398

The theory of the rotational motion of the earth's crust indicates the presence of the eulerian term beyond the chandlerien term and the annual term. The astronomers thought, this nutation of 304 days ... [more ▼]

The theory of the rotational motion of the earth's crust indicates the presence of the eulerian term beyond the chandlerien term and the annual term. The astronomers thought, this nutation of 304 days turned into 431 days. The author wanted to ensure, by means of Greenwich's latitudes, that we didn't note the period of 304 days. For him, after works, there are three periods; 304, 365 ad 431 days and the three nutations have approximately the same importance. [less ▲]

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See detailFondements de la théorie de la variation des latitudes
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1898), 3e série, t. 36

The author explains the foundations of his reasoning about the latitude variations theory and the various nutations.

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See detailQuelques grandes phases dans l'histoire de l'astronomie
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1898), 3e série, t. 36(12), 637-671

Reading done in a public meeting of the science class of the Belgium Royal Academy on December 16th, 1898 about the major phases in the history of the astronomy.

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See detailSur les termes complémentaires de nutation provenant des actions mutuelles de l'écorce et du noyau du globe
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1898), 3e série, t. 35(1), 26-28

Author’s communication on nutation additional terms resulting from the globe crust and core mutual actions.

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See detailThéorie du mouvement de rotation de l'écorce solide du globe: fondements de l'astronomie sphérique au XXe siècle
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1898), 3e série, t. 35(2718), 169-172

The author presents and summarizes one of his memoirs on the motion of Earth’s crust rotation.

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See detailSur deux points de l’histoire des globules polaires
Van Beneden, Édouard ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 34

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See detailDe la nécessité d'une réaction en astronomie sphérique
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(2), 154-163

The author shows without calculation that if the Oppolzer’s formulae, inaccurate according to him, are related to the instantaneous equator, the hour definition must absolutely be modified.

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See detailL'expression de l'heure dans le système de l'axe instantané
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(5), 397-406

The author shows that the absolute uniformity of hour is the base of the spherical astronomy.

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See detailNote préliminaire sur les trois périodes de la variation des latitudes
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 34(8), 238-247

The author wants to determine his choice for the latitude variations period and introduces his theory about the diurnal nutation.

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See detailPreuve de la nutation diurne par les écarts systématiques trouvés dans les latitudes déterminées à Lick Observatory
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(4), 299-305

The author proves his theory of the diurnal nutation due to systematic differences found in the latitudes determined at Lick Observatory.

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See detailRéflexions sur l'aberration planétaire
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(2), 103-110

Reflections by the Author about the planetary aberration. He encourages physicists and astronomers to resume his calculations and to refute his theory if necessary.

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See detailSur des termes de nutation insensibles pour la Terre entière, sensibles pour l'écorce terrestre
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 34(12), 1013-1019

The eulerian nutation is a very weak motion of the Earth’s axis. The author wonders what could be the meaning of this term, found by Chandler, which is considerable and which seems to indicate a period of ... [more ▼]

The eulerian nutation is a very weak motion of the Earth’s axis. The author wonders what could be the meaning of this term, found by Chandler, which is considerable and which seems to indicate a period of approximately 430 days. For him, two hypotheses are eligible. [less ▲]

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See detailSur la nutation eulérienne en ascension droite
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 34(11), 843-846

As demonstrated the falsity of Oppolzer’s formulae in right ascension in the past, the author applies his formulae based on a combination of observations taken to determine the annual variation of the ... [more ▼]

As demonstrated the falsity of Oppolzer’s formulae in right ascension in the past, the author applies his formulae based on a combination of observations taken to determine the annual variation of the inertia pole. [less ▲]

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See detailSur la période eulérienne
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(6), 771-776

The author wonders if there is a appreciable term, with retrograde motion, in the Eulerian nutation.

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See detailSur l'incorrection de l'heure et de l'ascension droite déterminées dans le système de l'axe instantané
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1897), 3e série, t. 33(6), 765-771

The author examines the meaning of the Oppolzer’s equations, in case they are correct, respecting the inaccuracy of the hour and of the right ascension determined in the instantaneous axis system.

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See detailUne réaction en astronomie: où gît l'erreur fondamentale des formules de réduction rapportées à l'axe instantané
Folie, François ULg

in Bulletins de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (1896), 3e série, t. 32

The author wishes to draw the attention of astronomers on their error regarding the use of Oppolzer’s formulae determining the time. He asks to return to the process of Bessel and Laplace. He demonstrates ... [more ▼]

The author wishes to draw the attention of astronomers on their error regarding the use of Oppolzer’s formulae determining the time. He asks to return to the process of Bessel and Laplace. He demonstrates that the Austrian astronomer's formulae are false. [less ▲]

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