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Search for associations containing young stars (SACY). I. Sample and searching method
We report results from a high-resolution optical spectroscopic surveyaimed to search for nearby young associations and young stars amongoptical counterparts of ROSAT All-Sky Survey X-ray sources in theSouthern Hemisphere. We selected 1953 late-type (B-V~≥~0.6),potentially young, optical counterparts out of a total of 9574 1RXSsources for follow-up observations. At least one high-resolutionspectrum was obtained for each of 1511 targets. This paper is the firstin a series presenting the results of the SACY survey. Here we describeour sample and our observations. We describe a convergence method in the(UVW) velocity space to find associations. As an example, we discuss thevalidity of this method in the framework of the β Pic Association.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Fénix |
| Ascensión Recta: | 00h59m40.85s |
| Declinación: | -54°08'19.8" |
| Magnitud Aparente: | 9.504 |
| Movimiento Propio en Ascensión Recta: | 137.2 |
| Movimiento Propio en Declinación: | 6.7 |
| B-T magnitude: | 10.518 |
| V-T magnitude: | 9.588 |
Catálogos y designaciones:
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