Items where Author is "Caldwell, Nelson"
Number of items: 4.
Article
Cloud-scale elemental abundance variations and the CO-to-dust-mass conversion factor in M31. (2025)
Chloe Bosomworth,
Jan Forbrich,
Charles J Lada,
Nelson Caldwell,
Chiaki Kobayashi
and
Sébastien Viaene
The survey of planetary nebulae in Andromeda (M31). IV. Radial oxygen and argon abundance gradients of the thin and thicker disc. (2022)
Souradeep Bhattacharya,
Magda Arnaboldi,
Nelson Caldwell,
Ortwin Gerhard,
Chiaki Kobayashi,
Johanna Hartke,
Kenneth C. Freeman,
Alan W. McConnachie
and
Puragra Guhathakurta
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