Abundances of planetary nebulae NGC 2022 , NGC 6818 and IC 4191
Abstract
The ISO and IUE spectra of the elliptical nebulae
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- June 2005
- DOI:
- 10.1051/0004-6361:20042627
- Bibcode:
- 2005A&A...436..953P
- Keywords:
-
- ISM: abundances;
- ISM: planetary nebulae: individual: <ASTROBJ>NGC 2022</ASTROBJ>;
- ISM: planetary nebulae: individual: NGC 6818;
- ISM: planetary nebulae: individual: IC 4191