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HD 109880


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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:Centaurus
Right ascension:12h38m31.89s
Declination:-47°56'34.3"
Apparent magnitude:7.766
Distance:255.102 parsecs
Proper motion RA:-13.2
Proper motion Dec:-1.3
B-T magnitude:7.775
V-T magnitude:7.767

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 109880
TYCHO-2 2000TYC 8236-1132-1
USNO-A2.0USNO-A2 0375-16325155
HIPHIP 61670

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