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Radial velocities in three fields along the southern galactic equator
A list of radial velocities for 764 stars is given for three fields inthe Vela-Carina region of the galaxy. They were obtained from GPO-platestaken at La Silla and reduced following Fehrenbach's method.Slit-spectra were collected with the 152 cm-spectrographic telescope atLa Silla, to derive an accurate radial velocity for a sufficient numberof calibration stars: out of the 29 stars, 26 had no formerly publishedvalue. The global motions of 10 to 14 km/s can be considered as normalon the basis of galactic rotation. Some stars, however, show highvelocities, and are therefore marked with one or two asterisks in thetable.
| Concluding observations of loose stellar clusterings in the southern Milky Way
UBV photometry and spectral classification have been performed on 280stars in the Carina-Crux-Centaurus-Norma region, suspected of belongingto poor open clusters or associations. The work is a concluding part ofa large project for detecting and listing of such objects in order toobtain an improved concept about the true frequency of clusterings inthe Milky Way. The result indicates that a majority of the suspectedobjects are members of various types of physical stellar clusterings,occasionally cluster remnants.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Vela |
| Ascensión Recta: | 10h04m01.19s |
| Declinación: | -55°54'29.5" |
| Magnitud Aparente: | 7.998 |
| Distancia: | 1123.596 parsecs |
| Movimiento Propio en Ascensión Recta: | -15.7 |
| Movimiento Propio en Declinación: | 8.8 |
| B-T magnitude: | 7.979 |
| V-T magnitude: | 7.997 |
Catálogos y designaciones:
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