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HD 121007

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Pulkovo compilation of radial velocities for 35495 stars in a common system. Not Available
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.
Four-colour and H-beta photometry for early type stars in three southern galactic regions Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...41...85L&db_key=AST
Radial velocities of Southern B stars determined at the Radcliffe Observatory - VIII. Stars with HD spectral types B8 and B9 Not Available

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Observation and Astrometry data

Constellation:	Centaurus
Right ascension:	13^h54^m12.57^s
Declination:	-51Â°24'00.1"
Apparent magnitude:	8.197
Distance:	218.341 parsecs
Proper motion RA:	-23.9
Proper motion Dec:	-4.1
B-T magnitude:	8.297
V-T magnitude:	8.206

Catalogs and designations:

Proper Names
HD 1989	HD 121007
TYCHO-2 2000	TYC 8275-1242-1
USNO-A2.0	USNO-A2 0375-19457199
HIP	HIP 67885

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