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TYC 2002-890-1

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CCD measurements of visual double stars made with the 74 cm and 50 cm refractors of the Nice Observatory (2nd series) We present 619 measurements of 606 visual double stars made by CCDimaging from 1996 to 1999 with the 74 cm and 50 cm refractors of theNice observatory. Angular separation, position angle and magnitudedifference are given. Magnitude differences estimated from CCD imagesare compared with magnitude differences given in the Hipparcos catalog.The residuals in angular separation and position angle are computed forbinaries with known orbit. Table 2 is only available in electronic format the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) orvia http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/378/954
Errata in Magnitudes of Stars in AGK3 Not Available
Further Studies of A-Stars and F-Stars in the Region of the North Galactic Pole - Part Four - a Catalogue of Uvbyr Photometry and Derived Quantities Not Available
Further Studies of A-Stars and F-Stars in the Region of the North Galactic Pole - Part Three - a Catalogue of Star Names and Positions Not Available
The visual magnitudes of double stars. Not Available

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Osservazione e dati astrometrici

Costellazione:	Boote
Ascensione retta:	13^h52^m27.03^s
Declinazione:	+25Â°44'27.1"
Magnitudine apparente:	10.119
Moto proprio RA:	-0.1
Moto proprio Dec:	9.9
B-T magnitude:	10.541
V-T magnitude:	10.154

Cataloghi e designazioni:

Nomi esatti	(Edit)
TYCHO-2 2000	TYC 2002-890-1
USNO-A2.0	USNO-A2 1125-06822854
HIP	HIP 67725

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