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- W3034233295 abstract "Nebular spectroscopy is a valuable tool for assessing the production of heavy elements by slow neutron(n)-capture nucleosynthesis (the s-process). Several transitions of n-capture elements have been identified in planetary nebulae (PNe) in the last few years, with the aid of sensitive high-resolution near-infrared spectrometers. Combined with optical spectroscopy, the newly discovered near-infrared lines enable more accurate abundance determinations than previously possible, and provide access to elements that had not previously been studied in PNe or their progenitors. Neutron-capture elements have also been detected in PNe in the Sagittarius Dwarf galaxy and in the Magellanic Clouds. In this brief review, I discuss developments in observational studies of s-process enrichments in PNe, with an emphasis on the last five years, and note some open questions and preliminary trends." @default.
- W3034233295 created "2020-06-19" @default.
- W3034233295 creator A5062290835 @default.
- W3034233295 date "2020-06-12" @default.
- W3034233295 modified "2023-09-27" @default.
- W3034233295 title "Neutron-Capture Element Abundances in Planetary Nebulae" @default.
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- W3034233295 doi "https://doi.org/10.48550/arxiv.2006.07414" @default.
- W3034233295 hasPublicationYear "2020" @default.
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