Research
Third-dredge-up oxygen in planetary nebulae
What this record says
The planetary nebulae He 2-436 and Wray 16-423 in the Sagittarius dwarf galaxy appear to result from nearly twin stars,
CATALOG · The abstract is indexed.
Sources and freshness
source · source backed
arxiv
Open public source
Search projection 8a339e17 · indexed Sep 11, 2026