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| Query : 1993ApJ...410..426K |
1993ApJ...410..426K - Astrophys. J., 410, 426-429 (1993/June-2)
The ratio of optical-to-infrared emission line strengths in Ar III as electron density diagnostics for planetary nebulae.
KEENAN F.P. and CONLON E.S.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Atomic Processes - ISM: Planetary Nebulae: General - Infrared: Interstellar: Lines
Simbad objects: 6
| Number of rows : 6 |
| 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 | IC 418 | PN | 05 27 28.2059533560 | -12 41 50.282287764 | 9.405 | 9.010 | 10.118 | O7fp | 1059 | 2 | ||
| 2 | NGC 6210 | PN | 16 44 29.5191019368 | +23 47 59.421958296 | 12.3 | 11.7 | Of/[WR] | 597 | 0 | |||
| 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 | IC 5117 | PN | 21 32 30.96912 | +44 35 47.5404 | ~ | 310 | 1 |
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