Number of items: 2.
The Andromeda Galaxy’s Last Major Merger: Constraints from the survey of Planetary Nebulae. (2024)
Souradeep Bhattacharya,
Magda Arnaboldi,
Ortwin Gerhard,
Nelson Caldwell,
Chiaki Kobayashi,
Francois Hammer,
Yanbin Yang,
Kenneth C. Freeman,
Johanna Hartke
and
Alan McConnachie
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. (2022)
Magda Arnaboldi,
Souradeep Bhattacharya,
Ortwin Gerhard,
Chiaki Kobayashi,
Kenneth C. Freeman,
Nelson Caldwell,
Johanna Hartke,
Alan McConnachie
and
Puragra Guhathakurta
This list was generated on Thu Jun 18 02:24:59 2026 BST.