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 and Guhathakurta, Puragra (2022) 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. ISSN 0004-6361
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We use oxygen and argon abundances for planetary nebulae (PNe) with low internal extinction (progenitor ages of (>4.5 Gyr) and high extinction (progenitor ages
Item Type Article
Uncontrolled Keywords astro-ph.GA
Date Deposited 14 Nov 2024 11:33
Last Modified 14 Nov 2024 11:33

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