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HD 115987


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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.

Photometry and spectral classification of early-type stars away from the galactic plane.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970MNRAS.150...23H&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Centauro
Ascensione retta:13h21m22.83s
Declinazione:-39°59'23.8"
Magnitudine apparente:7.457
Distanza:250.627 parsec
Moto proprio RA:-6.4
Moto proprio Dec:-7
B-T magnitude:7.472
V-T magnitude:7.459

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 115987
TYCHO-2 2000TYC 7791-1240-1
USNO-A2.0USNO-A2 0450-15547751
HIPHIP 65173
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