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HD 122711

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The local system of early type stars - Spatial extent and kinematics Published uvby and H-beta photometric data and proper motions arecompiled and analyzed to characterize the structure and kinematics ofthe bright early-type O-A0 stars in the solar vicinity, with a focus onthe Gould belt. The selection and calibration techniques are explained,and the data are presented in extensive tables and graphs and discussedin detail. The Gould belt stars of age less than 20 Myr are shown togive belt inclination 19 deg to the Galactic plane and node-lineorientation in the direction of Galactic rotation, while the symmetricaldistribution about the Galactic plane and kinematic properties (purecircular differential rotation) of the belt stars over 60 Myr oldresemble those of fainter nonbelt stars of all ages. The unresolveddiscrepancy between the expansion observed in the youngest nearby starsand the predictions of simple models of expansion from a point isattributed to the inhomogeneous distribution of interstellar matter.
Four-colour and H-beta photometry for early type stars in three southern galactic regions Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...41...85L&db_key=AST
Radial velocities of Southern B stars determined at the Radcliffe Observatory - VIII. Stars with HD spectral types B8 and B9 Not Available
A spectral survey of the southern Milky Way 1 : general description and catalogue 1 (l=306 -318 degrees). Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...16..445S&db_key=AST

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观测天体数据

星座:	半人馬座
右阿森松:	14^h05^m37.51^s
赤纬:	-63Â°09'19.1"
视星:	8.739
距离:	793.651 天文距离
右阿森松适当运动:	-5.8
赤纬适当运动:	-2.6
B-T magnitude:	8.817
V-T magnitude:	8.746

目录:

适当名称
HD 1989	HD 122711
TYCHO-2 2000	TYC 9009-2444-1
USNO-A2.0	USNO-A2 0225-19124800
HIP	HIP 68829

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