Spatially resolved spectroscopy across stellar surfaces - II. High-resolution spectra across HD 209458 (G0 V)

Dainis Dravins; Hans-Günter Ludwig; Erik Dahlén; Hiva Pazira

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Spatially resolved spectroscopy across stellar surfaces - II. High-resolution spectra across HD 209458 (G0 V)

机译：横跨星体表面的空间分辨光谱-II。 HD 209458（G0 V）上的高分辨率光谱

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Context. High-resolution spectroscopy across spatially resolved stellar surfaces aims at obtaining spectral-line profiles that are free from rotational broadening; the gradual changes of these profiles from disk center toward the stellar limb reveal properties of atmospheric fine structure, which are possible to model with 3D hydrodynamics.

机译：上下文。跨越空间分辨的恒星表面的高分辨率光谱学旨在获得无旋转展宽的光谱线轮廓;这些剖面从圆盘中心到恒星肢体的逐渐变化揭示了大气精细结构的特性，可以用3D流体动力学建模。

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《Astronomy and astrophysics》 |2017年第21期|共12页
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Dainis Dravins; Hans-Günter Ludwig; Erik Dahlén; Hiva Pazira;
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Spatially resolved spectroscopy across stellar surfaces - II. High-resolution spectra across HD 209458 (G0 V)

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