The physical conditions within the poly-polar nebula NGC 6302. III

Astronomy and Astrophysics – Astronomy

Scientific paper

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Cosmic Plasma, Ionized Gases, Iue, Nebulae, Stellar Winds, Ultraviolet Spectra, Abundance, Continuous Spectra, Electron Density Profiles, Electron Energy, Hot Stars, Interstellar Extinction, Line Spectra, Magnetohydrodynamic Flow, Mass Flow Rate

Scientific paper

IUE observations of the ultraviolet emission lines and continuum from the wind-driven poly-polar nebula NGC 6302 have been combined with those obtained of the visible emission lines to investigate the physical parameters of the ionized gas. Several relationships consolidate the view that this nebula is predominantly ionized radiatively by a very hot central star. However, the 'poly-polar' appearance and complex, high velocity flows of ionized material from the nebular core strongly suggest the presence of an energetic stellar wind from the central, but obscured star.

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