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| Query : 1998ApJ...501..221G |
1998ApJ...501..221G - Astrophys. J., 501, 221-227 (1998/July-1)
Are He and N abundances in type I planetary nebulae as high as empirically derived?
GRUENWALD R. and VIEGAS S.M.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): ISM: Abundances - ISM: Planetary Nebulae: General
Simbad objects: 2
| Number of rows : 2 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NGC 2440 | PN | 07 41 55.34603 | -18 12 30.4117 | 11.469 | 10.104 | ~ | 665 | 2 | |||
| 2 | IC 4406 | PN | 14 22 26.1440976888 | -44 09 02.185112988 | 11.5 | 10.90 | ~ | 294 | 1 |
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