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HD 129196


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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.

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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Osservazione e dati astrometrici

Costellazione:Idra
Ascensione retta:14h42m00.37s
Declinazione:-28°49'05.3"
Magnitudine apparente:8.096
Distanza:183.486 parsec
Moto proprio RA:10.1
Moto proprio Dec:2.1
B-T magnitude:8.357
V-T magnitude:8.118

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 129196
TYCHO-2 2000TYC 6758-32-1
USNO-A2.0USNO-A2 0600-17066671
HIPHIP 71871

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