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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.

A spectral survey of the southern Milky Way 1 : general description and catalogue 1 (l=306 -318 degrees).
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...16..445S&db_key=AST

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Dades d'Observació i Astrometria

Constel·lació:Centaurus
Ascensió Recta:13h53m37.48s
Declinació:-58°26'22.9"
Magnitud Aparent:8.083
Distancia:315.457 parsecs
Moviment propi RA:-5.8
Moviment propi Dec:-8
B-T magnitude:8.145
V-T magnitude:8.089

Catàlegs i designacions:
Noms Propis
HD 1989HD 120859
TYCHO-2 2000TYC 8676-1076-1
USNO-A2.0USNO-A2 0300-19742840
HIPHIP 67824
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