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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.
| 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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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Cassiopeia |
| Ascensió Recta: | 00h31m44.23s |
| Declinació: | +53°57'42.0" |
| Magnitud Aparent: | 7.574 |
| Distancia: | 10000000 parsecs |
| Moviment propi RA: | -1.2 |
| Moviment propi Dec: | -3.5 |
| B-T magnitude: | 7.539 |
| V-T magnitude: | 7.572 |
Catàlegs i designacions:
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