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HD 46108

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UvbyHbeta_ photometry of main sequence A type stars. We present Stroemgren uvby and Hbeta_ photometry for a set of575 northern main sequence A type stars, most of them belonging to theHipparcos Input Catalogue, with V from 5mag to 10mag and with knownradial velocities. These observations enlarge the catalogue we began tocompile some years ago to more than 1500 stars. Our catalogue includeskinematic and astrophysical data for each star. Our future goal is toperform an accurate analysis of the kinematical behaviour of these starsin the solar neighbourhood.
The Initial Mass Function and Massive Star Evolution in the OB Associations of the Northern Milky Way Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1995ApJ...454..151M&db_key=AST
Catalog of BV magnitudes and spectral classes of 6000 stars The present catalog, compiled at the Abastumani Observatory, contains BVmagnitudes and spectral classes of about 6000 stars up to V(lim) = 13.0min five circular areas of 18 sq deg located near the salactic-equatorplane. The catalog is intended for star-statistics studies ofstar-formation regions.
UBV Photometry of NGC2244 Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1981PASJ...33..149O&db_key=AST
Polarization in NGC2244 Not Available

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Osservazione e dati astrometrici

Costellazione:	Unicorno
Ascensione retta:	06^h31^m35.83^s
Declinazione:	+04Â°30'51.7"
Magnitudine apparente:	8.591
Moto proprio RA:	-4.8
Moto proprio Dec:	5.5
B-T magnitude:	8.778
V-T magnitude:	8.607

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 46108
TYCHO-2 2000	TYC 154-1066-1
USNO-A2.0	USNO-A2 0900-03070836

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