Revised Diagnostic Diagrams for Planetary Nebulae

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dc.creatorRiesgo, H.
dc.creatorLópez, J. A.
dc.date2006-02-08
dc.date.accessioned2026-07-07T06:57:15Z
dc.date.available2026-07-07T06:57:15Z
dc.descriptionDiagnostic diagrams of electron density - excitation for a sample of 613 planetary nebulae are presented. The present extensive sample allows the definition of new statistical limits for the distribution of planetary nebulae in the log [Ha/[SII]] vs log [Ha/[NII]], log [Ha/[SII]] vs [SII] 6717/6731 and log [Ha/[NII]] vs [SII] 6717/6731 planes. The diagrams provide a good representation of the ranges of physical conditions, indicated by these emission line ratios, present in planetary nebulae during different evolutionary stages.
dc.description6 pages, 7 figures. Accepted for RMAA
dc.identifierhttps://arxiv.org/abs/astro-ph/0602201
dc.identifierhttp://arxiv.org/abs/astro-ph/0602201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106899
dc.subjectAstrophysics
dc.titleRevised Diagnostic Diagrams for Planetary Nebulae
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