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HD 261071

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UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.
H-beta photometry of northern intermediate galactic latitude early-type stars and galactic structure away from the plane Photoelectric H-beta photometry is presented for 255 early-type stars atintermediate galactic latitudes. Absolute magnitudes and distances arederived for the more luminous stars. Those with visual magnitudes lessthan or equal to 2.5 and at distances of up to 1 kpc from the galacticplane may follow the spiral structure in the plane.
UBV photometry and MK spectral classification of northern early-type stars at intermediate galactic latitudes Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977MNRAS.180..691H&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Gemelli
Ascensione retta:	06^h38^m49.86^s
Declinazione:	+23Â°04'03.3"
Magnitudine apparente:	9.361
Moto proprio RA:	1.1
Moto proprio Dec:	-2.1
B-T magnitude:	9.199
V-T magnitude:	9.348

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 261071
TYCHO-2 2000	TYC 1880-532-1
USNO-A2.0	USNO-A2 1125-04307884

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