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TYC 9208-2946-1


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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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观测天体数据

星座:船底座
右阿森松:09h31m24.91s
赤纬:-73°44'49.4"
视星:7.49
右阿森松适当运动:-28.5
赤纬适当运动:36.8
B-T magnitude:7.884
V-T magnitude:7.523

目录:
适当名称   (Edit)
TYCHO-2 2000TYC 9208-2946-1
USNO-A2.0USNO-A2 0150-06119411
HIPHIP 46720

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