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TYC 2002-987-1

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Pulkovo compilation of radial velocities for 35495 stars in a common system. Not Available
Kinematics and properties of F stars near the North Galactic Pole. II - The isothermal disc Radial velocities are given for about 550 photometrically-identifieddisk-population F stars lying within 15 deg of the North Galactic Pole.The overall radial and z-velocity distributions are found to be closelyGaussian, with corrected rms and mean z velocities of 11.3 + or - 0.6and -9.5 + or - 0.5 km/s, respectively. The isothermal kinematics of thepopulation are reflected in the constant velocity dispersion to a zdistance of 400 pc. No systematic variation of either the velocitydispersion or the stellar age with the metallicity-sensitive Stromgrendelta m1 index is noted over a range of ages up to 5 Gyr.
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
Interstellar reddening near the north galactic pole Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972PASP...84..497F&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Coban
Sað Açýklýk:	13^h52^m31.09^s
Yükselim:	+25Â°01'39.0"
Görünürdeki Parlaklýk:	9.768
özdevim Sað Açýklýk:	-6
özdevim Yükselim:	-3.4
B-T magnitude:	10.201
V-T magnitude:	9.804

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
TYCHO-2 2000	TYC 2002-987-1
USNO-A2.0	USNO-A2 1125-06823160
HIP	HIP 67733

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