Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002rmxac..12..249m&link_type=abstract
Ionized Gaseous Nebulae, a Conference to Celebrate the 60th Birthdays of Silvia Torres-Peimbert and Manuel Peimbert, Mexico City
Astronomy and Astrophysics
Astronomy
Galaxies: Abundances, H Ii Regions
Scientific paper
Our goal is to analyze the systematic errors in the determination of the
chemical abundances in planetary nebulae introduced by a possible
overestimation of the temperature, and its efect on the abundance
gradient of the Galaxy. The gradient value provides constraints on
chemical evolution models.
Martins Lucimara P.
Viegas M. M. S.
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