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HD 12320


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관련 글

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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관측 및 측정 데이터

별자리:화로자리
적경:01h59m52.93s
적위:-38°07'33.8"
가시등급:9.377
적경상의 고유운동:-17.2
적위상의 고유운동:-45.3
B-T magnitude:10.925
V-T magnitude:9.505

천체목록:
일반명
HD 1989HD 12320
TYCHO-2 2000TYC 7543-226-1
USNO-A2.0USNO-A2 0450-00685926
HIPHIP 9336

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