Observations of binary stars by speckle interferometry at the PIC DU Midi T2m

Details Observations of binary stars by speckle interferometry at the PIC DU Midi T2m Observations of binary stars by speckle interferometry at the PIC DU Midi T2m

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.

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