HD 105016

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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.

Carina arm studies I. Deep photoelectric UBV sequences in Vela, Carina and Crux
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973A&AS...12..365L&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Croce del Sud
Ascensione retta:	12^h05^m22.91^s
Declinazione:	-62Â°58'32.7"
Magnitudine apparente:	6.693
Distanza:	118.483 parsec
Moto proprio RA:	-81.3
Moto proprio Dec:	5.3
B-T magnitude:	7.042
V-T magnitude:	6.722

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 105016
TYCHO-2 2000	TYC 8978-5877-1
USNO-A2.0	USNO-A2 0225-13182321
HIP	HIP 58960

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