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HD 180907


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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:ぼうえんきょう座
Right ascension:19h20m47.56s
Declination:-49°31'51.6"
Apparent magnitude:9.976
Proper motion RA:9
Proper motion Dec:-36
B-T magnitude:10.429
V-T magnitude:10.014

Catalogs and designations:
Proper Names
HD 1989HD 180907
TYCHO-2 2000TYC 8384-184-1
USNO-A2.0USNO-A2 0375-37575844
HIPHIP 95097

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