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HD 151252


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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.

Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

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观测天体数据

星座:天龍座
右阿森松:16h41m53.57s
赤纬:+63°48'56.3"
视星:8.226
距离:51.02 天文距离
右阿森松适当运动:-129.5
赤纬适当运动:88.1
B-T magnitude:8.892
V-T magnitude:8.281

目录:
适当名称
HD 1989HD 151252
TYCHO-2 2000TYC 4193-1792-1
USNO-A2.0USNO-A2 1500-06129897
HIPHIP 81755
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