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HD 145031


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A search for variability in the helium-rich subdwarf HD 144941
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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:Scorpius
Right ascension:16h09m45.77s
Declination:-26°26'23.9"
Apparent magnitude:8.178
Distance:221.239 parsecs
Proper motion RA:-12.5
Proper motion Dec:-12.3
B-T magnitude:8.378
V-T magnitude:8.195

Catalogs and designations:
Proper Names
HD 1989HD 145031
TYCHO-2 2000TYC 6788-258-1
USNO-A2.0USNO-A2 0600-19765620
HIPHIP 79192
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