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BVR Photometry of Northern Hemisphere Luminous Stars. III. LS and HD Stars CCD-based BVR photometry of 48 previously unobserved stars drawn fromvolumes V and VI of the Luminous Stars in the Northern Milky Way,Luminous Stars in the Southern Milky Way, and HD catalogs is reported.
| Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm
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Datos observacionales y astrométricos
Constelación: | Hidra |
Ascensión Recta: | 09h13m22.87s |
Declinación: | +05°48'55.9" |
Magnitud Aparente: | 7.29 |
Distancia: | 282.486 parsecs |
Movimiento Propio en Ascensión Recta: | -8.8 |
Movimiento Propio en Declinación: | -1.8 |
B-T magnitude: | 7.249 |
V-T magnitude: | 7.287 |
Catálogos y designaciones:
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