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首页> 外文期刊>Solar Physics >Infrared Spectroscopy from San Fernando Observatory: He I 1083 nm, O I 1316 nm, and Fe I 1565 nm
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Infrared Spectroscopy from San Fernando Observatory: He I 1083 nm, O I 1316 nm, and Fe I 1565 nm

机译：San Fernando天文台的红外光谱：He I 1083 nm，O I 1316 nm和Fe I 1565 nm

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摘要

Imaging spectroscopy of the Sun was carried out at the California State University Northridge San Fernando Observatory using an InGaAs near-IR video camera. Using the Si i 1082.71 nm and He i 1083.03 nm lines the Evershed effect is measured simultaneously in the photosphere and the chromosphere for three sunspots; the speed of the Evershed flow is measured to be between 3 to 8 times greater in the He i line than in the Si i line, and the direction is radially inward in the chromosphere and outward in the photosphere. Telluric absorption lines prevented a meaningful measurement of O i 1128.7 nm limb emission, but an upper limit of 20×10−3 B⊙ is measured for chromospheric limb emission at O i 1316.3 nm. Zeeman splitting in Fe i 1564.9 nm was observed in six sunspot umbrae, and a linear relationship between magnetic field and umbral continuum intensity is confirmed.
机译：在加利福尼亚州立大学北岭圣费尔南多天文台使用InGaAs近红外摄像机对太阳进行了成像成像。使用Si i 1082.71 nm和He i 1083.03 nm线，同时测量了三个黑子在光球和色球中的Evershed效应。测量结果表明，在He i线中，Evershed流的速度是在Si i线中的3到8倍之间，并且在色球层中径向向内，在光球层中径向向外。碲吸收线阻止了对O i 1128.7 nm肢体发射的有意义的测量，但是在O i 1316.3 nm处的色球肢体发射的上限为20×10−3 B⊙。在六个黑子本影中观察到塞曼分裂在Fe i 1564.9 nm中，并且磁场与本影连续谱强度之间存在线性关系。

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  • 来源
    《Solar Physics》 |2002年第1期|53-61|共9页
  • 作者

    M.J. Penn; J.A. Ceja; E. Bell; G. Frye; R. Linck;

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    Department of Physics and Astronomy San Fernando Observatory and California State University Northridge;

    Department of Physics and Astronomy San Fernando Observatory and California State University Northridge;

    Department of Physics and Astronomy San Fernando Observatory and California State University Northridge;

    Department of Physics and Astronomy San Fernando Observatory and California State University Northridge;

    Department of Physics and Astronomy San Fernando Observatory and California State University Northridge;

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