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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: | Zurafa |
| Sað Açýklýk: | 04h25m55.83s |
| Yükselim: | +58°20'10.6" |
| Görünürdeki Parlaklýk: | 8.633 |
| Uzaklýk: | 217.391 parsek |
| özdevim Sað Açýklýk: | -5 |
| özdevim Yükselim: | -12.9 |
| B-T magnitude: | 10.228 |
| V-T magnitude: | 8.765 |
Kataloglar ve belirtme:
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