Symbiotic Stars and Planetary Nebulae in the λ5007/Hβ vs. λ4363/Hγ Diagnostic Diagram

Details Symbiotic Stars and Planetary Nebulae in the λ5007/Hβ vs. λ4363/Hγ Diagnostic Diagram Symbiotic Stars and Planetary Nebulae in the λ5007/Hβ vs. λ4363/Hγ Diagnostic Diagram

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..262..307b&link_type=abstract

Stellar Populations – Planning for the Next Decade, Proceedings of the International Astronomical Union, IAU Symposium, Volume 2

Astronomy and Astrophysics

Astronomy

Binaries: Symbiotic, Novae, Cataclysmic Variables, Planetary Nebulae: General

Scientific paper

In this work the location of a sample of 174 flux measurements (planetary nebulae, S, D, D'-type Symbiotic Star (SS) and six peculiar objects) on the λ5007/Hβ vs. λ4363/Hγ diagnostic diagram are compared, in order to investigate possible differences in electron density and temperature among them. Helium abundances, electron density and temperature were obtained for five D'-type SS and HD149427 (PC 11). In order to calculate them, expressions normally used for objects with low density were modified, in such a way that they can be used in objects with higher densities.

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