Fast Imaging Solar Spectrograph of the 1.6 Meter New Solar Telescope at Big Bear Solar Observatory

Jongchul Chae, Hyung Min Park, Kwangsu Ahn, Heesu Yang, Young Deuk Park, Jakyoung Nah, Bi Ho Jang, Kyung Suk Cho, Wenda Cao, Philip R. Goode

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71 Scopus citations


For high resolution spectral observations of the Sun - particularly its chromosphere, we have developed a dual-band echelle spectrograph named Fast Imaging Solar Spectrograph (FISS), and installed it in a vertical optical table in the Coudé Lab of the 1.6 meter New Solar Telescope at Big Bear Solar Observatory. This instrument can cover any part of the visible and near-infrared spectrum, but it usually records the Hα band and the Ca ii 8542 Å band simultaneously using two CCD cameras, producing data well suited for the study of the structure and dynamics of the chromosphere and filaments/prominences. The instrument does imaging of high quality using a fast scan of the slit across the field of view with the aid of adaptive optics. We describe its design, specifics, and performance as well as data processing

Original languageEnglish (US)
Pages (from-to)1-22
Number of pages22
JournalSolar Physics
Issue number1
StatePublished - Nov 2013

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


  • Chromosphere
  • Instrumentation and data management
  • Spectrum, visible


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