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HD 188969


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The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

Mesures de vitesses radiales. VII. Accompagnement AU sol DU programme d'observation DU satellite Hipparcos. Radial velocities. VII. Ground based measurements for Hipparcos.
We publish 734 radial velocities of stars distributed in 28 fields of4x4deg. We continue the PPO series (Fehrenbach et al. 1987; Duflot etal. 1990 and 1992), using the Fehrenbach objective prism method.

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관측 및 측정 데이터

별자리:고니자리
적경:19h56m24.64s
적위:+35°47'24.3"
가시등급:7.587
거리:344.828 파섹
적경상의 고유운동:6.2
적위상의 고유운동:4
B-T magnitude:8.59
V-T magnitude:7.67

천체목록:
일반명   (Edit)
HD 1989HD 188969
TYCHO-2 2000TYC 2681-472-1
USNO-A2.0USNO-A2 1200-13870774
HIPHIP 98116
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