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1 results

  • The Ni I lines in the solar spectrum

  • Mariela C. Vieytes, Pablo J. D. Mauas, Juan M. Fontenla
  • Journal:
    Proceedings of the International Astronomical Union / Volume 7 / Issue S286 / October 2011
    Published online by Cambridge University Press:
    05 July 2012, pp. 93-96
    Print publication:
    October 2011
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  • The stratosphere is the region where the ozone chemistry is important for the balance of energy, and radiation in the near UV plays a fundamental role in the creation and destruction of ozone. However, the radiation in this range of wavelength has not been very well modeled. One of the most important elements, according to its abundance in the solar atmosphere, that contribute to the emission and absorption of radiation in the spectral range between 1900 and 3900 Å, is neutral nickel (Ni I). In this work we improve the atomic model of this element, taking into account 490 lines over the spectrum. We solve these lines in NLTE using the Solar Radiation Physical Modeling (SRPM) program and compare the results with observation of the quiet sun spectrum.