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HD 107864


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An astrometric catalogue for the area of Coma Berenices
A catalogue of stellar positions and proper motions down to the 14thphotographic magnitude in the area of the open cluster in Coma Berenicesis compiled from data of 12 different sources. The accuracy of theproper motion data is comparable to that of the Hipparcos Catalogue. Thecatalogue Table 5 is only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

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

Studies of A and F stars in the region of the North galactic pole-II. uvby β photometry
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Studies of A and F stars in the region of the North galactic pole-I. Radial velocities and MK Classifications
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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Cabellera de Berenices
Ascensión Recta:12h23m34.80s
Declinación:+23°25'42.7"
Magnitud Aparente:8.908
Distancia:230.947 parsecs
Movimiento Propio en Ascensión Recta:-42.3
Movimiento Propio en Declinación:-15.4
B-T magnitude:9.491
V-T magnitude:8.957

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 107864
TYCHO-2 2000TYC 1989-1546-1
USNO-A2.0USNO-A2 1125-06505246
HIPHIP 60446
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