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HD 133294


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New runaway OB stars with HIPPARCOS
A Monte Carlo method for detection of runaway OB stars fromobservational data is proposed. 61 runaway OB star candidates have beendetected by an analysis of Hipparcos proper motions. The peculiartangential and total transverse velocities have been determined forthese stars. A list of the detected runaway star candidates ispresented. The evidence of a discrepancy between photometric andparallactic distances of runaway OB star candidates is presented.

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:Libra
Right ascension:15h04m08.95s
Declination:-15°27'41.2"
Apparent magnitude:8.237
Distance:675.676 parsecs
Proper motion RA:-9.5
Proper motion Dec:-2.4
B-T magnitude:8.157
V-T magnitude:8.231

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 133294
TYCHO-2 2000TYC 6169-12-1
USNO-A2.0USNO-A2 0675-13861685
HIPHIP 73720

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