Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.192..143m&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 192, July 1980, p. 143-151. Research supported by the Science Research
Astronomy and Astrophysics
Astronomy
12
Binary Stars, Interferometry, Speckle Patterns, Astronomical Spectroscopy, Tables (Data), Visual Observation
Scientific paper
This is the second paper in a series describing observations of binary stars using the technique of speckle interferometry. Observations were made using the 2.5-m Newton Telescope and the 1-m telescope of the Royal Greenwich Observatory and the 1.9-m telescope of the South African Astronomical Observatory. The classical Rayleigh diffraction limits are 0.050 arcsec for the 2.5-m telescope, 0.065 arcsec for the 1.9-m telescope and 0.125 arcsec for the 1-m telescope, at a wavelength of 500 nm. The results of 29 measurements of 26 objects are presented. The objects include long period spectroscopic binaries from the 6th Catalog of Batten, close visual binary systems from the 3rd Catalog of Finsen and Worley and variable stars. Nine of the objects have not been previously resolved by speckle interferometry. New members are detected in the systems Beta Cep, p Vel and Iota UMa.
Beckmann G. K.
Morgan Brian L.
Scaddan Richard J.
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