Absorption-Line Probes of Gas and Dust in Galactic Superwinds by Timothy M. Heckman and others 2026-10-20
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The primary survey compares interstellar sodium absorption with galaxy systemic velocities in infrared-bright starbursts. Blueshifts and a viewing-angle dependence support a minor-axis outflow interpretation. Saturation, ionization and geometry limit conversion of the absorption into total mass-loss rates.
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