Modeling emission lines of 8 northern planetary nebulae

Details Modeling emission lines of 8 northern planetary nebulae Modeling emission lines of 8 northern planetary nebulae

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...358..321n&link_type=abstract

Astronomy and Astrophysics, v.358, p.321-331 (2000)

Astronomy and Astrophysics

Astrophysics

15

Ism: Planetary Nebulae: General, Turbulence, Stars: Wolf-Rayet

Scientific paper

In order to constrain the nebular density distribution and velocity field, we model nebular lines profiles obtained at very high spectral resolution. The method and computer code applied to 2-3 nebular lines were described in earlier publications. In the present work we analyse 4-11 spectral lines observed simultaneously with the spectrometer ELODIE (R=42 000) for 8 planetary nebulae. For five analyzed nebulae with a [WC]-type nucleus, we found highly broadened profiles implying possible turbulent motions. Based on observations taken at the Observatoire de Haute-Provence du CNRS

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