Speckle interferometry of HIPPARCOS link stars

Details Speckle interferometry of HIPPARCOS link stars Speckle interferometry of HIPPARCOS link stars

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.206..669a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 206, Feb. 1, 1984, p. 669-672.

Astronomy and Astrophysics

Astronomy

5

Astrometry, Hipparcos Satellite, Interferometry, Reference Stars, Hubble Space Telescope, Speckle Patterns

Scientific paper

Speckle interferometry has been carried out on 39 stars that had been selected as provisionally suitable for linking Hipparcos positional measurements to an extragalactic reference frame by Space Telescope. The authors used the Imperial College, London, speckle interferometer and autocorrelator on the Anglo-Australian 3.9-m telescope. The result is that about 30 per cent of the stars selected turned out to be confirmed or suspected multiple stars in the range 0.03 - 0.7 arcsec.

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