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HD 165041


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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.

Radial velocity measurements. II - Ground-based observations of the program stars for the HIPPARCOS satellite
New radial velocities for 446 stars of magnitude 9.0 or brighter in 1616-sq-deg fields of the Northern Hemisphere are determined by automaticPDS measurement of 80-A/mm-dispersion spectra obtained at theObservatoire de Haute Provence using a 17-cm-diameter objective prism.The fields were selected to provide data for the input catalog of theESA Hipparcos astrometric satellite. The measurement techniques andprecision are discussed, and the results are presented in extensivetables and graphs.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Herkul
Sað Açýklýk:18h02m56.77s
Yükselim:+26°48'46.5"
Görünürdeki Parlaklýk:8.615
Uzaklýk:354.61 parsek
özdevim Sað Açýklýk:-0.8
özdevim Yükselim:-4.1
B-T magnitude:8.734
V-T magnitude:8.625

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 165041
TYCHO-2 2000TYC 2099-2036-1
USNO-A2.0USNO-A2 1125-08895253
HIPHIP 88388
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