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Keywords

CIRCUMSTELLAR MATTER
DUST
EXTINCTION
METHODS: NUMERICAL
PLANETARY NEBULAE: INDIVIDUAL (V605 AQL)

How to Cite

Diagnostic Diagrams of Electron Density Versus Excitation for Planetary Nebulae. (2002). Revista Mexicana De Astrofísica Y Astronomía Serie De Conferencias, 12(1), 174-174. https://astronomia.unam.mx/journals/rmxac/article/view/2002rmxac..12..174r
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Abstract

Diagnostic diagrams of electron density-excitation for a sample of 613 Planetary Nebulae (PNe) are presented. New empirical limits for these diagrams are derived from the H alpha /[N II] and H alpha /[S II] ratios.