【摘 要】
：
Using high signal-to-noise ratio spectra of extrasolar planet-hosting stars, we obtained the atmospheric parameters, accurate metallicities and the differential
【机 构】
：
DepartmentofAstronomy,NationalAstronomicalObservatories
【基金项目】
：
中国科学院资助项目，NKBRSF，中国科学院资助项目
论文部分内容阅读
Using high signal-to-noise ratio spectra of extrasolar planet-hosting stars, we obtained the atmospheric parameters, accurate metallicities and the differential abundance for 15 elements (C, O, Na, Mg, Al, Si, S, Ca, Sc, Ti, V, Cr, Mn,Ni and Ba). In a sea
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