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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
| New optical positions and proper motions of late type stars associated with SiO masers The 33 cm astrograph of the Bordeaux Observatory has been used to derivewith respect to AGK3 reference stars, accurate positions of late typevariable stars variable stars associated with strong SiO maser emission.It is suggested that selected maser stars can be used to link theHIPPARCOS system and the VLBI extragalactic reference frame. The propermotions of the program (SiO) and reference stars are derived and, forthe program stars, are compared to the McCormick catalog of propermotions.
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Gözlemler ve gökölçümü verileri
Takýmyýldýz: | Yilanci |
Sað Açýklýk: | 18h36m11.53s |
Yükselim: | +11°14'35.5" |
Görünürdeki Parlaklýk: | 7.7 |
Uzaklýk: | 197.628 parsek |
özdevim Sað Açýklýk: | -9.6 |
özdevim Yükselim: | -13.9 |
B-T magnitude: | 7.783 |
V-T magnitude: | 7.707 |
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