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HD 18668


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VRI photometry of selected SAO stars
Johnson V, R, and I photoelectric photometry has been obtained for 199SAO stars in support of the Near Infrared Photographic Sky Survey. Thesedata are utilized in the calibration of survey photographs and arepresented here to assist other programs reliant upon access tophotometry in the photographic infrared.

Vitesse radiales dans 5 Selected Areas.
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Observation and Astrometry data

Constellation:Κήτος
Right ascension:03h00m06.11s
Declination:-00°40'56.8"
Apparent magnitude:7.801
Distance:383.142 parsecs
Proper motion RA:-6.3
Proper motion Dec:-21.4
B-T magnitude:9.772
V-T magnitude:7.964

Catalogs and designations:
Proper Names
HD 1989HD 18668
TYCHO-2 2000TYC 4707-157-1
USNO-A2.0USNO-A2 0825-00689663
HIPHIP 13984

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