Physical conditions and chemical abundances in photoionized nebulae from optical spectra

10 Jan 2020 García-Rojas Jorge Instituto de Astrofísica de Canarias, La Laguna, Tenerife, Spain, Dept. Astrofísica. Univ. La laguna, Tenerife, Spain

This chapter presents a review on the latest advances in the computation of physical conditions and chemical abundances of elements present in photoionized gas H II regions and planetary nebulae). The arrival of highly sensitive spectrographs attached to large telescopes and the development of more sophisticated and detailed atomic data calculations and ionization correction factors have helped to raise the number of ionic species studied in photoionized nebulae in the last years, as well as to reduce the uncertainties in the computed abundances... (read more)

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Categories


  • SOLAR AND STELLAR ASTROPHYSICS
  • ASTROPHYSICS OF GALAXIES