천문학회지 (Journal of The Korean Astronomical Society)

  • 제15권1호
  • /
  • Pages.37-39
  • /
  • 1982
  • /
  • 1225-4614(pISSN)
  • /
  • 2288-890X(eISSN)
한국천문학회 (The Korean Astronomical Society)
권호 표지

THE PRESENCE OF $C_2$ LINES IN SUNSPOTS

  • Yun, Hong-Sik (Department of Astronomy, Seoul National University) ;
  • Beebe, H.A. (Department of Astronomy, New Mexico State University) ;
  • Baggett, W.E. (Department of Astronomy, New Mexico State University)
  • 발행 : 1982.08.31
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초록

High spatial and spectral resolution observations have been made over a sunspot (SPO 6403) with the Echelle Spectrograph at the Vacuum Tower Telescope, Sacramento Peak Observatory. Our observed spectra, scanned with SPO's fast microdensitometer, clearly show strengthening of $C_2$ lines in the penumbra relative to the photosphere and much weakening in the umbra in agreement with the predictions made by our molecular equilibrium calculations (Lee et al. 1981).

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