The survey of planetary nebulae in Andromeda (M 31) V. Chemical enrichment of the thin and thicker discs of Andromeda. Oxygen to argon abundance ratios for planetary nebulae and H II regions
- Arnaboldi, Magda
- Bhattacharya, Souradeep
- Gerhard, Ortwin
- Kobayashi, Chiaki
- Freeman, Kenneth C.
- Caldwell, Nelson
- Hartke, Johanna
- McConnachie, Alan
- Guhathakurta, Puragra
Publication date
October 2022
DOI Publisher
EDP Sciences Journal
Astronomy and Astrophysics Language
EnglishAbstract
© M. Arnaboldi et al. 2022. This is an Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.We use oxygen and argon abundances for planetary nebulae (PNe) with low internal extinction (progenitor ages of (>4.5 Gyr) and high extinction (progenitor agesPeer reviewe
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