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HD 120996


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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

Stars with large proper motions in the astrographic zones+ 32° and + 33° (List I)
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Av Kopekleri
Sað Açýklýk:13h52m18.72s
Yükselim:+32°51'25.0"
Görünürdeki Parlaklýk:9.468
özdevim Sað Açýklýk:-1.9
özdevim Yükselim:-65.5
B-T magnitude:10.141
V-T magnitude:9.524

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 120996
TYCHO-2 2000TYC 2547-429-1
USNO-A2.0USNO-A2 1200-07176973
HIPHIP 67716
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