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| Query : 1987ApJ...319..403K |
1987ApJ...319..403K - Astrophys. J., 319, 403-406 (1987/August-0)
Emission-line ratios for O III in gaseous nebulae and a comparison between theory and observation.
KEENAN F.P. and AGGARWAL K.M.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Atomic Processes - Nebulae: General - Nebulae: Planetary - Ultraviolet: Spectra
Simbad objects: 7
| Number of rows : 7 |
| 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 | NGC 4151 | Sy1 | 12 10 32.5759813872 | +39 24 21.063527532 | 12.18 | 11.48 | ~ | 3938 | 2 | |||
| 3 | NGC 6572 | PN | 18 12 06.3181909152 | +06 51 13.027935240 | 9.3 | 10.8 | [WC] | 761 | 0 | |||
| 4 | NGC 6741 | PN | 19 02 37.10 | -00 26 56.7 | 9.6 | ~ | 353 | 0 | ||||
| 5 | IC 4997 | PN | 20 20 08.7557973960 | +16 43 53.698933380 | 11.94 | 11.15 | [WC7/8] | 555 | 0 | |||
| 6 | NGC 7000 | Cl* | 20 58 47 | +44 19.8 | ~ | 427 | 0 | |||||
| 7 | NGC 7662 | PN | 23 25 53.8318792825 | +42 32 05.835828380 | 11.427 | ~ | 940 | 1 |
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