Faint emission lines in planetary nebulae with a [WC] nucleus
J. Garc\'ia-Rojas (IAC, Spain), M. Pe\~na (IA-UNAM, Mexico), M. T., Ruiz (U. Chile)
TL;DR
This paper reports the detection of faint carbon and oxygen recombination lines in 14 planetary nebulae with [WC] nuclei, using deep spectroscopic observations to analyze their chemical compositions.
Contribution
It provides the first analysis of faint RLs in planetary nebulae with [WC] nuclei based on high-quality spectra, advancing understanding of their chemical abundances.
Findings
Detection of faint carbon and oxygen RLs in 14 planetary nebulae
First analysis of RLs in [WC] nucleus planetary nebulae
Insights into chemical compositions of these nebulae
Abstract
We present first results from the analysis of a sample of 14 planetary nebulae with [WC] nucleus with detected faint carbon and oxygen recombination lines (RLs). The results are based on deep echelle spectra obtained with MIKE on the 6.5 m Magellan-Clay telescope in Chile.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astrophysics and Star Formation Studies