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Introduction to the Chinese Hα Solar Explorer (CHASE) Mission

FANG Cheng LI Chuan

FANG Cheng, LI Chuan. Introduction to the Chinese Hα Solar Explorer (CHASE) Mission. Chinese Journal of Space Science, 2022, 42(4): 546-549 doi: 10.11728/cjss2022.04.yg05
Citation: FANG Cheng, LI Chuan. Introduction to the Chinese Hα Solar Explorer (CHASE) Mission. Chinese Journal of Space Science, 2022, 42(4): 546-549 doi: 10.11728/cjss2022.04.yg05

Introduction to the Chinese Hα Solar Explorer (CHASE) Mission

doi: 10.11728/cjss2022.04.yg05
More Information
  • Figure  1.  Schematic view of the CHASE satellite (a) and the HIS instrument (b)

    Figure  2.  Raw RSM spectrum observed at 06:01:27 UT on 22 December 2021, and the calibrated Level 1 RSM spectrum

    Figure  3.  Comparison between the calibrated spectral profiles and the ones from BASS2000

    Figure  4.  Full-Sun spectroscopic image at the Hα center of 6562.8 Å

    Figure  5.  Higher-level product: the full-Sun chromospheric Dopplergram

    Figure  6.  Calibrated CIM photospheric image

    Table  1.   Key parameters of CHASE/HIS

    ParameterValue
    Primary aperture180 mm
    Effective focal length 1820 mm
    Field of view 40′×40′
    RSM
    Passbands 6559.7–6565.9 Å
    6567.8–6570.6 Å
    Instrument FWHM 0.072 Å
    Pixel spectral resolution 0.024 Å
    Pixel spatial resolution 0.52″
    Scanning time 30–60 s
    Exposure time <10 ms
    Quantization (ADC) 12 bit
    CIM
    Center wavelength 6689 Å
    Passband FWHM 13.4 Å
    Pixel spatial resolution 0.52″
    Exposure time <5 ms
    Frame rate 1 s
    Quantization (ADC) 10 bit
    下载: 导出CSV
  • [1] LI C, FANG C, LI Z, et al. Chinese Hα solar explorer (CHASE)–a complementary space mission to the ASO-S[J]. Research in Astronomy and Astrophysics, 2019, 19(11): 165-170 doi: 10.1088/1674-4527/19/11/165
    [2] FANG C, DING M D, LI C, et al. The Chinese Hα solar explorer-CHASE mission[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289601
    [3] LI C, FANG C, LI Z, et al. The Chinese Hα solar explorer (CHASE) mission: an overview[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289602
    [4] QIU Y, RAO S H, LI C, et al. Calibration procedures for the CHASE/HIS science data[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289603
    [5] ZHANG W, CHENG W Q, YOU W, et al. Levitated-body ultra-high pointing accuracy and stability satellite platform of the CHASE mission[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289604
    [6] LIU Q, TAO H J, CHEN C Z, et al. On the technologies of Ha Imaging Spectrograph for the CHASE mission[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289605
    [7] ZHANG W, YANG Y, YOU W, et al. Autonomous navigation method and technology implementation of high-precision solar spectral velocity measurement[J]. Science China Physics, Mechanics & Astronomy, 2022, 65: 289606
    [8] FANG C, CHEN P F, LI Z, et al. A new multi-wavelength solar telescope: Optical and Near-infrared Solar Eruption Tracer (ONSET)[J]. Research in Astronomy and Astrophysics, 2013, 13(12): 1509-1517 doi: 10.1088/1674-4527/13/12/011
    [9] LIU Z, XU J, GU B Z, et al. New vacuum solar telescope and observations with high resolution[J]. Research in Astronomy and Astrophysics, 2014, 14(6): 705-718 doi: 10.1088/1674-4527/14/6/009
    [10] PÖTZI W, VERONIG A M, TEMMER M, et al. 70 years of sunspot observations at the Kanzelhöhe observatory: systematic study of parameters affecting the derivation of the relative sunspot number[J]. Solar Physics, 2016, 291(9): 3103-3122
    [11] FANG Cheng, GU Bozhong, YUAN Xiangyan, et al. 2.5 m wide-field and high-resolution telescope[J]. Scientia Sinica Physica, Mechanica & Astronomica, 2019, 49(5): 059603
    [12] ZHANG P, HU X Q, LU Q F, et al. FY-3 E: the first operational meteorological satellite mission in an early morning orbit[J]. Advances in Atmospheric Sciences, 2022, 39(1): 1-8 doi: 10.1007/s00376-021-1304-7
    [13] GAN W Q, ZHU C, DENG Y Y, et al. Advanced space-based solar observatory (ASO-S): an overview[J]. Research in Astronomy and Astrophysics, 2019, 19(11): 156 doi: 10.1088/1674-4527/19/11/156
    [14] CHEN P F. Chinese solar physics gliding into the space age[J]. Science China Physics, Mechanics & Astronomy, 2018, 61(10): 109631
    [15] COX A N. Allen’s Astrophysical Quantities[M]. New York: Springer, 1999
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  • 被引次数: 0
出版历程
  • 收稿日期:  2022-03-31
  • 网络出版日期:  2022-06-25

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