The Chinese Hα Solar Explorer (CHASE) mission: An overview

The Chinese Hα Solar Explorer (CHASE), dubbed “Xihe”—Goddess of the Sun, was launched on October 14, 2021 as the first solar space mission of China National Space Administration (CNSA). The CHASE mission is designed to test a newly developed satellite platform and to acquire the spectroscopic observ...

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Veröffentlicht in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2022-08, Vol.65 (8), p.289602, Article 289602
Hauptverfasser: Li, Chuan, Fang, Cheng, Li, Zhen, Ding, MingDe, Chen, PengFei, Qiu, Ye, You, Wei, Yuan, Yuan, An, MinJie, Tao, HongJiang, Li, XianSheng, Chen, Zhe, Liu, Qiang, Mei, Gui, Yang, Liang, Zhang, Wei, Cheng, WeiQiang, Chen, JianXin, Chen, ChangYa, Gu, Qiang, Huang, QingLong, Liu, MingXing, Han, ChengShan, Xin, HongWei, Chen, ChangZheng, Ni, YiWei, Wang, WenBo, Rao, ShiHao, Li, HaiTang, Lu, Xi, Wang, Wei, Lin, Jun, Jiang, YiXian, Meng, LingJie, Zhao, Jian
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container_issue 8
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container_title Science China. Physics, mechanics & astronomy
container_volume 65
creator Li, Chuan
Fang, Cheng
Li, Zhen
Ding, MingDe
Chen, PengFei
Qiu, Ye
You, Wei
Yuan, Yuan
An, MinJie
Tao, HongJiang
Li, XianSheng
Chen, Zhe
Liu, Qiang
Mei, Gui
Yang, Liang
Zhang, Wei
Cheng, WeiQiang
Chen, JianXin
Chen, ChangYa
Gu, Qiang
Huang, QingLong
Liu, MingXing
Han, ChengShan
Xin, HongWei
Chen, ChangZheng
Ni, YiWei
Wang, WenBo
Rao, ShiHao
Li, HaiTang
Lu, Xi
Wang, Wei
Lin, Jun
Jiang, YiXian
Meng, LingJie
Zhao, Jian
description The Chinese Hα Solar Explorer (CHASE), dubbed “Xihe”—Goddess of the Sun, was launched on October 14, 2021 as the first solar space mission of China National Space Administration (CNSA). The CHASE mission is designed to test a newly developed satellite platform and to acquire the spectroscopic observations in the Hα waveband. The Hα Imaging Spectrograph (HIS) is the scientific payload of the CHASE satellite. It consists of two observational modes: raster scanning mode and continuum imaging mode. The raster scanning mode obtains full-Sun or region-of-interest spectral images from 6559.7 to 6565.9 Å; and from 6567.8 to 6570.6 Å with 0.024 Å pixel spectral resolution and 1 min temporal resolution. The continuum imaging mode obtains photospheric images in continuum around 6689 Å with the full width at half maximum of 13.4 Å. The CHASE mission will advance our understanding of the dynamics of solar activity in the photosphere and chromosphere. In this paper, we present an overview of the CHASE mission including the scientific objectives, HIS instrument overview, data calibration flow, and first results of on-orbit observations.
doi_str_mv 10.1007/s11433-022-1893-3
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The continuum imaging mode obtains photospheric images in continuum around 6689 Å with the full width at half maximum of 13.4 Å. The CHASE mission will advance our understanding of the dynamics of solar activity in the photosphere and chromosphere. In this paper, we present an overview of the CHASE mission including the scientific objectives, HIS instrument overview, data calibration flow, and first results of on-orbit observations.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11433-022-1893-3</doi><oa>free_for_read</oa></addata></record>
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subjects Astronomy
Chinese space program
Chromosphere
Classical and Continuum Physics
H alpha line
Imaging
Observations and Techniques
Photosphere
Physics
Physics and Astronomy
Raster
Raster scanning
Solar activity
Space missions
Spectral resolution
Temporal resolution
title The Chinese Hα Solar Explorer (CHASE) mission: An overview
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