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極紫外撮像分光装置 (EIS) 国立天文台 渡 邊 鉄 哉

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Presentation on theme: "極紫外撮像分光装置 (EIS) 国立天文台 渡 邊 鉄 哉"— Presentation transcript:

1 極紫外撮像分光装置 (EIS) 国立天文台 渡 邊 鉄 哉
EIS H.Hara Home Page

2 (Imaging Spectroscopy) (Pseudo-spectroheliograph)
撮 像 分 光 (Imaging Spectroscopy) オーバーラッポグラフ (Overlappograph) (Pseudo-spectroheliograph) (命名者 H. Zirin?)

3 Overlappographの原理 凹面回折格子

4 EIS光路図 Slit/slot; 1”, 2”, 40”, 250” 多層膜主鏡 (15cmΦ) 東西スキャン 2波長域
Å Å 多層膜凹面回折格子

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7 観測領域 精密スキャン領域 東西 240 (360) arcsec
スリット・スロット幅 1”, 2 ”, 40 ”, 250” (4位置) スリット長 512 arcsec (1pixel=13.5µm=1arcsec) 最短露出間隔 < 1 秒 (sit&stare/overlappograph), <1.3秒 (raster) 観測波長域 Å & Å 観測温度域 105 – 2 × 107 °K (via HeII ~ FeXXIV) 観測密度領域 108 – 1012 cm-3 (via FeXII) 観測速度域 Δv ~20 kms-1/pix (250 – 290Å); 1000ph → 1kms-1 (輝線中心波長) , 3kms-1 (輝線幅)

8 静穏領域

9 活動領域

10 活動領域

11 フレア( 3)ピーク M

12 フレア(M3ピーク)

13 EISチームの優先観測課題 Coronal Mass Ejection Onset: first spatial velocity and dimming measurement at high temporal resolution Coronal Hole Boundaries: the first measurement of intensity and velocity field at the coronal hole boundary Quiet Sun Brightenings: the first determination of the relationship between different categories of quiet Sun events. Flare trigger and dynamics: the first spatial determination of evaporation and turbulence in a flare Active region heating: the first spatial determination of the velocity field in active region loops

14 EIS Science Planning Guide
We are developing this on our web site: Includes an EIS study form in order to ‘play’ with your own personal observing plans. Includes a list of EIS studies produced by the EIS team Includes line lists and intensities in different regions of activity Includes a set of science data products Includes a proposed operations planning procedure Includes an initial science plan for the first 3 months


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