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Mesures de vitesses radiales. VIII. Accompagnement AU sol DU programme d'observation DU satellite HIPPARCOS
We publish 1879 radial velocities of stars distributed in 105 fields of4^{\circ} \times 4^{\circ}. We continue the PPO series \cite[(Fehrenbachet al. 1987;]{Feh87} \cite[Duflot et al. 1990, 1992 and 1995),]{Du90}using the Fehrenbach objective prism method. Table 1 only available inelectronic form at CDS via to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
| Spectral types for early-type stars observed by SKYLAB
MK spectral types are presented for 246 early-type stars observed withthe S-019 ultraviolet stellar astronomy experiment on Skylab. K-linetypes are also given where applicable, and various peculiar stars areidentified. The peculiar stars include five silicon stars, a shell star,a helium-rich star, a silicon-strontium star, a chromium-europium star,and two marginal metallic-line stars.
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Osservazione e dati astrometrici
| Costellazione: | Cigno |
| Ascensione retta: | 20h11m47.39s |
| Declinazione: | +40°19'48.0" |
| Magnitudine apparente: | 7.091 |
| Distanza: | 442.478 parsec |
| Moto proprio RA: | 2.3 |
| Moto proprio Dec: | 0.6 |
| B-T magnitude: | 6.994 |
| V-T magnitude: | 7.083 |
Cataloghi e designazioni:
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