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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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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ejderha
Sað Açýklýk:16h41m53.57s
Yükselim:+63°48'56.3"
Görünürdeki Parlaklýk:8.226
Uzaklýk:51.02 parsek
özdevim Sað Açýklýk:-129.5
özdevim Yükselim:88.1
B-T magnitude:8.892
V-T magnitude:8.281

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 151252
TYCHO-2 2000TYC 4193-1792-1
USNO-A2.0USNO-A2 1500-06129897
HIPHIP 81755
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