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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
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