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TYC 8960-1201-1


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Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc-The Southern Sample
We are obtaining spectra, spectral types, and basic physical parametersfor the nearly 3600 dwarf and giant stars earlier than M0 in theHipparcos catalog within 40 pc of the Sun. Here we report on resultsfor 1676 stars in the southern hemisphere observed at Cerro TololoInter-American Observatory and Steward Observatory. These resultsinclude new, precise, homogeneous spectral types, basic physicalparameters (including the effective temperature, surface gravity, andmetallicity [M/H]), and measures of the chromospheric activity of ourprogram stars. We include notes on astrophysically interesting stars inthis sample, the metallicity distribution of the solar neighborhood, anda table of solar analogs. We also demonstrate that the bimodal nature ofthe distribution of the chromospheric activity parameterlogR'HK depends strongly on the metallicity, andwe explore the nature of the ``low-metallicity'' chromosphericallyactive K-type dwarfs.

The general catalogue of trigonometric [stellar] paralaxes
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Erratum - Errors or Omissions in Star-Identifications in the General Catalogue of Trigonometric Stellar Parallaxes
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观测天体数据

星座:船底座
右阿森松:10h26m47.56s
赤纬:-62°54'09.4"
视星:9.911
距离:27.049 天文距离
右阿森松适当运动:-273.7
赤纬适当运动:-370.1
B-T magnitude:11.209
V-T magnitude:10.019

目录:
适当名称   (Edit)
TYCHO-2 2000TYC 8960-1201-1
USNO-A2.0USNO-A2 0225-08491343
HIPHIP 51138

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