Oxygen depletion variations in planetary nebulae and shells ejected from luminous population I stars.
Abstract
- Publication:
-
Planetary Nebulae
- Pub Date:
- 1989
- Bibcode:
- 1989IAUS..131..216D
- Keywords:
-
- Planetary Nebulae: Oxygen;
- O Stars: Circumstellar Shells;
- Wolf-Rayet Stars: Circumstellar Shells;
- Shell Nebulae: Element Abundances