IIA Institutional Repository

Browsing IIAP Publications by Author "Labeyrie, A"

Browsing IIAP Publications by Author "Labeyrie, A"

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  • Labeyrie, A; Mourard, D; Allouche, F; Charkraborthy, R; Dejonghe, J; Arun Surya; Bresson, Y; Aime, C; Mary, D; Carlotti, A (SPIE--The International Society for Optical Engineering, 2012-09)
    The hypertelescope construction initiated in the Southern Alps (Labeyrie et al., this conference) has provided some preliminary operating experience indicating that larger versions, up to perhaps 1200m, are probably ...
  • Labeyrie, A; Allouche, F; Mourard, D; Bolgar, F; Chakraborthy, R; Maillot, J; Palitzyne, N; Poletti, J. R; Rochaix, J. P; Prud homme, R; Rondi, A; Roussel, M; Arun Surya (SPIE--The International Society for Optical Engineering, 2012-09)
    For information-rich direct images at high resolution, hypertelescopes combine light from a sparse array of many subapertures, using pupil densi cation. Among the possible architectures, the Arecibo-like spherical class has ...
  • Mourard, D; Bosc, I; Labeyrie, A; Saha, S. K (Nature Publishing Group, 1989-11)
    CERTAIN hot stars, belonging to the Be class, may have an envelope of hydrogen gas, possibly in the form of a rotating disk or spheroidal shell. Other models involve elliptical rings or close binary systems where the Roche ...
  • Surya, A; Saha, S. K; Labeyrie, A (Oxford University Press on behalf of the Royal Astronomical Society, 2014-09-01)
    Optical stellar interferometers have demonstrated milliarcsecond resolution with few apertures spaced hundreds of metres apart. To obtain rich direct images, many apertures will be needed, for a better sampling of the ...

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