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The common origin of some open clusters
Eight open clusters have been observed with uvby-beta photometry and forseven of them the metal abundances have been determined. Six of thesehave similar metallicities. They are close in space and are also knownto have similar ages and radial velocities. These clusters are suspectedof having a common origin. Some studies are made of the reliability ofthe photometric system. A large gain in limiting magnitude can beachieved against an unimportant loss of accuracy if interference filtersare removed.
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Osservazione e dati astrometrici
| Costellazione: | Vele |
| Ascensione retta: | 08h05m31.45s |
| Declinazione: | -46°39'15.1" |
| Magnitudine apparente: | 8.208 |
| Distanza: | 454.545 parsec |
| Moto proprio RA: | -3.5 |
| Moto proprio Dec: | 7.3 |
| B-T magnitude: | 10.324 |
| V-T magnitude: | 8.383 |
Cataloghi e designazioni:
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