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HD 146973


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A homogeneous catalog of new UBV and H-beta photometry of B- and A-type stars in and around the Scorpius-Centaurus OB association
B- and A-type stars in and near the Sco-Cen OB association areinvestigated with UBV and H-beta photometry to acquire data relevant tothe luminosity function of Sco-Cen. The measurements generally consistof two 10-s integrations of U, B, V, (W, N) filters, and theobservations are corrected iteratively for atmospheric extinction andinstrumental response. The data presented give the mean V magnitude,mean B-V, mean U-B, and the estimated uncertainties for these values.The catalog provides a homogeneous catalog of data for a large fieldwith stellar objects delineating membership to the association Sco-Cenand that affect the luminosity function of the aggregate.

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Observation and Astrometry data

Constellation:Skorpion
Right ascension:16h19m55.35s
Declination:-20°46'56.5"
Apparent magnitude:8.15
Distance:110.988 parsecs
Proper motion RA:-8.1
Proper motion Dec:-4.8
B-T magnitude:8.48
V-T magnitude:8.178

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 146973
TYCHO-2 2000TYC 6214-141-1
USNO-A2.0USNO-A2 0675-15585151
HIPHIP 80009

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