Using R~74,000 Brγ spectroscopy, the authors find a broad, blueshifted component and a 90 km/s velocity bump at NGC 253's infrared core, suggesting it is the main source of the galactic wind.
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The Nuclear Source of the Galactic Wind in NGC 253
Using R~74,000 Brγ spectroscopy, the authors find a broad, blueshifted component and a 90 km/s velocity bump at NGC 253's infrared core, suggesting it is the main source of the galactic wind.