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F ast I maging S olar S pectrograph: Scientific Objectives and General Characteristics

F ast I maging S olar S pectrograph: Scientific Objectives and General Characteristics. Jongchul Chae 1 , Young-Deuk Park 2 , Hyung Min Park 2,3 , Yong-Jae Moon 2 1 Seoul National University 2 Korea Astronomy and Space Science Institute 3 Chungnam National University.

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F ast I maging S olar S pectrograph: Scientific Objectives and General Characteristics

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  1. Fast Imaging Solar Spectrograph:Scientific Objectives and General Characteristics Jongchul Chae1, Young-Deuk Park2, Hyung Min Park2,3, Yong-Jae Moon2 1Seoul National University 2Korea Astronomy and Space Science Institute 3Chungnam National University

  2. Scientific Motivation

  3. Prominence/Filament

  4. Multi-wavelength H alpha Observation

  5. High Angular Resolution Observation

  6. BBSO 1.6 m New Solar Telescope

  7. Prominence/Filament in NIR He I line

  8. Instrument Characteristics

  9. Technical Requirements • Record at least two spectral lines simultaneously: H alpha, Ca II K, He I 10830, Fe I lines • Spectral resolution • Angular resolution • Time resolution better than 60 s • Signal-to-noise ratio better than 100 • Field of view as big as possible

  10. FISS Concepts • High angular resolution 1.6 m NST • Dual-band & high spectral resolution  Echelle grating + filter • Imaging  fast slit scan + fast CCD camera

  11. Configuration

  12. Spectrograph Parameters: Telescope

  13. Spectrograph Parameters: Input

  14. Spectrograph Parameters: Output

  15. Construction Plan • 1st year (2005. 9-2006. 8): Design • 2nd year (2006. 9-2007. 8): Construction and Test of Parts • 3rd year (2007.9-2008.8): Installation

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