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BV Photometry of the Binary Star VW LMi
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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
| Visual multiples. VII - MK classifications
Classifications are given for 865 components of visual multiples; theyshow no systematic differences from the MK system, and the random errorsare one subclass in type and two-thirds of a luminosity class. It isfound that at least 1% of the F-type IV and V stars are weak-lined, 32%of the A4-F1 IV and V stars are Am, and 5% of the A0-A3 IV and V starsare early-type Am. Attention is called to the large fraction (55%) ofthe A3-A9 III-V stars that are of luminosity classes III or IV, unlikethe percentage (16%) at neighboring types.
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Observation and Astrometry data
| Constellation: | Petit Lion |
| Right ascension: | 10h57m35.83s |
| Declination: | +30°39'09.7" |
| Apparent magnitude: | 7.918 |
| Distance: | 124.688 parsecs |
| Proper motion RA: | -29.4 |
| Proper motion Dec: | -0.9 |
| B-T magnitude: | 8.116 |
| V-T magnitude: | 7.935 |
Catalogs and designations:
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