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HD 189843


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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Space motions of galactic G- and K-type stars
Spectra of 912 G- and K-type stars in six galactic directions have beensecured. The relevant space motions of the stars, subdivided intodistance groups, have been derived; these show no significant departuresfrom the mean motion of nearby stars. The velocity dispersions, ingeneral, indicate that these (mainly giant) stars are moderately old.The dispersion in u is lower than that for nearby stars, and thesignificance of this result is discussed.

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观测天体数据

星座:天鵝座
右阿森松:19h58m55.79s
赤纬:+59°31'08.8"
视星:8.223
距离:490.196 天文距离
右阿森松适当运动:-6
赤纬适当运动:-11
B-T magnitude:9.579
V-T magnitude:8.335

目录:
适当名称
HD 1989HD 189843
TYCHO-2 2000TYC 3947-1361-1
USNO-A2.0USNO-A2 1425-10166003
HIPHIP 98349
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