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HD 145056


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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.

UBV photometry of the Groningen-Palomar variable star fields
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973AJ.....78..401W&db_key=AST

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Observation and Astrometry data

Constellation:Scorpius
Right ascension:16h09m22.72s
Declination:-12°22'33.6"
Apparent magnitude:7.541
Distance:230.415 parsecs
Proper motion RA:-1.5
Proper motion Dec:0.2
B-T magnitude:7.659
V-T magnitude:7.551

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 145056
TYCHO-2 2000TYC 5620-836-1
USNO-A2.0USNO-A2 0750-09471028
HIPHIP 79160

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