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HD 102859


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CCD measurements of visual binaries
CCD measurements of visual double stars were obtained with the ESO 1.5 mdanish reflector. All binaries observed are candidates for the HIPPARCOSInput Catalogue. More than 400 observations have been made in four clearnights. The accuracy obtained is comparable to the accuracy of thephotographic technique, but the observing and reduction times are oneorder of magnitude smaller.

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Observation and Astrometry data

Constellation:コップ座
Right ascension:11h50m29.06s
Declination:-17°44'24.8"
Apparent magnitude:7.83
Distance:89.847 parsecs
Proper motion RA:-147.2
Proper motion Dec:30.3
B-T magnitude:8.522
V-T magnitude:7.888

Catalogs and designations:
Proper Names
HD 1989HD 102859
TYCHO-2 2000TYC 6096-1799-1
USNO-A2.0USNO-A2 0675-11739240
HIPHIP 57744

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