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Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).
| UBV photometry of stars whose positions are accurately known. II
The present report on the UBV observations of stars with favorableastrometric history gives attention to stars of the BD zones lyingbetween 50 and 54 deg. These observations and their reductions wereperformed from August 1983 to August 1984, as described by Oja (1984).Results are presented as tables for both the standard stars and theprogram stars. Comparisons are conducted between the present Vmagnitudes and those of the NPZT (1982) and AGK3R (1978) catalogs.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Kugu |
| Sað Açýklýk: | 19h18m16.28s |
| Yükselim: | +53°27'24.8" |
| Görünürdeki Parlaklýk: | 8.376 |
| Uzaklýk: | 273.973 parsek |
| özdevim Sað Açýklýk: | 3.6 |
| özdevim Yükselim: | 6.3 |
| B-T magnitude: | 8.432 |
| V-T magnitude: | 8.381 |
Kataloglar ve belirtme:
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