Speckle interferometry of HIPPARCOS link stars. II

Details Speckle interferometry of HIPPARCOS link stars. II Speckle interferometry of HIPPARCOS link stars. II

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.216..447a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 216, Sept. 15, 1985, p. 447-451. SERC-supported researc

Astronomy and Astrophysics

Astronomy

4

Astrometry, Hipparcos Satellite, Hubble Space Telescope, Interferometry, Reference Stars, Speckle Patterns, Autocorrelation, Binary Stars, Sky Surveys (Astronomy), Telescopes

Scientific paper

The authors extend their earlier list of stars tested by speckle interferometry for their suitability to act as links between Hipparcos and the Space Telescope. They used the Imperial College, London, speckle interferometer and autocorrelator, first on the 1.9-m telescope of the Mt Stromlo and Siding Spring Observatories, then, after discarding 16 stars showing evidence of binary nature, on the Anglo-Australian 3.9-m telescope. The authors give results for 123 stars. Combined with their 1984 list they estimate that 29% of their original selection of 'clean looking' stars (on sky survey prints) are expected to be multiple at the resolution of the 3.9-m telescope, 0.03 - 0.7 arcsec.

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