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HD 102515


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Speckle interferometry of HIPPARCOS link stars. II
A second list is presented of stars that have been tested for theirsuitability as astrometric links between the Hipparcos satellite and theSpace Telescope. A speckle interferometer and autocorrelator were used,first on the 1.9-m telescope of the Mt. Stromlo and Siding SpringObservatories, and then, after discarding 16 stars showing evidence of abinary nature, on the Anglo-Australian 3.9-m telescope. Results aregiven for 123 stars. Combining the present list with the 1984 list, itis estimated that 29 percent of the original selection of 'cleanlooking' stars (on sky survey prints) are expected to be multiple at theresolution of the 3.9-m telescope, 0.03-0.7 arcsec.

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Observation and Astrometry data

Constellation:ケンタウルス座
Right ascension:11h47m48.63s
Declination:-38°07'13.3"
Apparent magnitude:8.794
Distance:224.215 parsecs
Proper motion RA:-34.3
Proper motion Dec:7
B-T magnitude:10.488
V-T magnitude:8.934

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 102515
TYCHO-2 2000TYC 7741-402-1
USNO-A2.0USNO-A2 0450-13437449
HIPHIP 57554

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