Physics – Optics
Scientific paper
Dec 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26as...58..729b&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 58, Dec. 1984, p. 729-733. In French.
Physics
Optics
17
Binary Stars, Moire Interferometry, Speckle Patterns, Stellar Spectra, Astrometry, Autocorrelation, Cassegrain Optics
Scientific paper
This paper presents the results of the first observations of binary stars by speckle interferometry at the Pic du Midi 2 m telescope. Out of 53 observed systems, 31 couples have been measured. The star with composite spectrum HD 52822/3 has been resolved for the first time. In spite of bad seeing conditions, the diffraction limited angular resolution of the telescope, i.e. 0.06 arc second at 5500 A, has been achieved.
Bonneau Damien
Carquillat Jean-Michel
Vidal J. L.
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