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HD 7749


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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:くじら座
Right ascension:01h17m08.56s
Declination:-11°27'02.6"
Apparent magnitude:9.378
Proper motion RA:6.3
Proper motion Dec:-36.6
B-T magnitude:9.969
V-T magnitude:9.427

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 7749
TYCHO-2 2000TYC 5276-411-1
USNO-A2.0USNO-A2 0750-00304126
HIPHIP 5999

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