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HD 6777


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Speckle interferometry of HIPPARCOS link stars
Speckle interferometry has been carried out on 39 stars that had beenselected as provisionally suitable for linking Hipparcos positionalmeasurements to an extragalactic reference frame by Space Telescope. TheImperial College, London, speckle interferometer and the autocorrelatoron the Anglo-Australian 3.9-m telescope are used. The result is thatabout 30 percent of the stars selected turned out to be confirmed orsuspected multiple stars in the range 0.03-0.7 arcsec.

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Observation and Astrometry data

Constellation:ほうおう座
Right ascension:01h07m58.80s
Declination:-40°34'20.7"
Apparent magnitude:8.769
Distance:763.359 parsecs
Proper motion RA:6.4
Proper motion Dec:1.4
B-T magnitude:10.463
V-T magnitude:8.909

Catalogs and designations:
Proper Names
HD 1989HD 6777
TYCHO-2 2000TYC 7537-44-1
USNO-A2.0USNO-A2 0450-00397677
HIPHIP 5314

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