CHEMICAL ABUNDANCES OF PHOTOIONIZED NEBULAE IN THE LOCAL GROUP
W. J. Maciel, R. D. D Costa, O. Cavichia
Workshop Chemical abundances in gaseous nebulae, AAA Workshop Series, ed. G. Hägele et al.
10, 91-99 (2018)
Photoionized nebulae comprise basically HII regions and planetary nebulae, and their
abundances give important clues on the nucleosynthesis and chemical evolution of their
host galaxies. There is presently a large amount of data on these objects, especially
for the elements He and N, which are strongly affected by the evolution of intermediate
mass stars, as well as O, Ne, S, and Ar, which are essentially synthesized in stars with
larger masses. The abundances of these elements in several systems in the Local Group are
discussed on the basis of distance-independent correlations.
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