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SUMMARY:The survey of planetary nebulae in Andromeda (M31). Chemical enric
 hment of the thin and thicker discs of Andromeda: Oxygen to argon abundanc
 e ratios for planetary nebulae and HII regions
DTSTART;VALUE=DATE-TIME:20230320T094100Z
DTEND;VALUE=DATE-TIME:20230320T094300Z
DTSTAMP;VALUE=DATE-TIME:20240704T115712Z
UID:indico-contribution-241@meetings.aip.de
DESCRIPTION:Speakers: Magda Arnaboldi (ESO)\nWe use oxygen and argon abund
 ances for planetary nebulae (PNe) with low internal extinction (progenitor
  ages of (>4.5 Gyr) and high extinction (progenitor ages \n\nhttps://meeti
 ngs.aip.de/event/20/contributions/241/
LOCATION:Haus H\, Telegrafenberg
URL:https://meetings.aip.de/event/20/contributions/241/
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