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French Physics Astrophysics and astroparticles

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Showing 161-180 of 218 results

  1. Analyse de l'Ombre extérieure pendant les Éclipses de lune

    Photometric analysis of the peripheric umbra during 20 eclipses between 1921 and 1968 based upon the homogeneous observational material reveals the...

    J. DUBOIS, F. Link in The moon
    Article 01 June 1970

  2. Étude de la position de la lune sur champ stellaire

    In order to improve our knowledge of the astronomical constants, great interest must be paid to accurate positions of major planets and their...

    G. Soulie in The moon
    Article 01 December 1970

  3. Raies nébulaires et coronales dans le spectre infrarouge de la Nova Delphini

    Nova Delphini 1967 has been observed in the red and photographic infrared at the Haute-Provence Observatory from September 7 to November 12, 1968....

    Yvette Andrillat, Léo Houziaux in Astrophysics and Space Science
    Article 01 January 1970

  5. Trajectoires rectilignes du problème des 3 corps, lorsque la constante des forces vives est nulle

    This problem is reducible to the integration of the Euler≡Chazy's differential equation. We give a new simplified version of the equation, and we...

    F. Nahon in Celestial mechanics
    Article 01 September 1973

  6. Sur les solutions particulières du problème généralisé des trois corps solides

    In the present paper, the generalized problem of translatory-rotatory motion of three rigid bodies, whose elementary particles act upon each other...

    G. N. Doubochine in Celestial mechanics
    Article 01 January 1974

  7. Le développement du potentiel dans le cas d'une densité analytique

    The potential of a body of revolution is expanded in a series of spherical functions. It is proved that, for a body with analytical density limited...

    Constantin Kholchevnikov in Celestial mechanics
    Article 01 June 1971

  8. La nature de la surface des planètes et de la Lune

    Certains astres du système solaire sont entourés d’une atmosphère opaque qui dérobe leurs sols à nos moyens d’observations.
    Audouin Dollfus in Astrophysik V: Verschiedenes / Astrophysics V: Miscellaneous
    Chapter 1962

  9. Rayons Cosmiques et Rayonnement Synchrotron

    Le rayonnement synchrotron est une source de renseignements particulièrement intéressants sur les électrons relativistes et les zones où la...
    J. Lequeux in Electromagnetic Radiation in Space
    Conference paper 1967

  10. Profondeur de Penetration et Formation des Raies Dans une Atmosphere Diffusante

    L’étude systématique de la fonction de distribution du chemin optique des photons diffusés par une atmosphère diffusante finie permet de connaître la...
    Y. Fouquart in Exploration of the Planetary System
    Chapter 1974

  12. Contribution à l'étude du spectre solaire de l'hydrogène

    The continuous and line spectrum of hydrogen emitted by the sun is computed, taking deviations of local thermal equilibrium into account. The theory...

    Y. Cuny in Solar Physics
    Article 01 January 1968

  13. Analyse des renforcements coronaux a travers quelques acquisitions spectroscopiques récentes des émissions monochromatiques du fer ionisé (X à XV)

    Theoretical computation of the coronal spectrum have been performed and compared with observations carried out at the Pic du Midi Observatory,...

    J. P. Rozelot in Solar Physics
    Article 01 January 1972

  14. La diffusion des spicules dans la couronne solaire

    The width of spicules as a function of time was measured on films taken by R. B. Dunn (Figures la and 2). We could establish very clearly a...

    Z. Mouradian in Solar Physics
    Article 01 November 1967

  16. Analyse photométrique de la pénombre pendant les Éclipses de lune

    Photometric analysis of the penumbra during 21 eclipses between 1921 and 1968 based upon the homogeneous observational material reveals some...

    J. Dubois, F. Link in The moon
    Article 01 November 1969

  17. Morphologie et formation de la lune

    P. Feschotte in The moon
    Article 01 September 1970

  18. Oscillations de l'atmosphère de l'étoile pulsante

    Non-adiabatic linear oscillations of the stellar atmosphere are studied by deriving the general solution of the equation of the problem. Boundary...

    Mine Takeuti in Astrophysics and Space Science
    Article 01 February 1969

  19. Influence du champ magnétique terrestre sur le mouvement d'un satellite autour de son centre de gravité

    The effect of the Earth's magnetic field on the motion of a satellite around its centre of mass is investigated. The satellite is assumed to be...

    I. Stellmacher in Celestial mechanics
    Article 01 July 1972
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