Hα and N II forbidden emission-line profiles of the dwarf starburst galaxy He 2-10

Astronomy and Astrophysics – Astronomy

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Dwarf Galaxies, Emission Spectra, Forbidden Transitions, Galactic Nuclei, H Alpha Line, Stellar Mass Ejection, Wolf-Rayet Stars

Scientific paper

Line profiles for Hα and [N II] λ6584 were obtained in the dwarf starburst galaxy, He 2-10. A two-Gaussian profile fit showed that the emission-line region of the galaxy has a broad component of FWHM = 230 - 280 km s-1 which is blueshifted by 15 km s-1 relative to the narrow component. The broad component is interpreted as emission from gas outflowing from Wolf-Rayet stars.

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