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The Dependence of Galaxy Inflows and Outflows on Environment

Presentation #351.02 in the session “Star Formation in Galaxies”.

Published onJan 11, 2021
The Dependence of Galaxy Inflows and Outflows on Environment

We aim to understand how galactic inflows and outflows vary among starburst, post-starburst, and quiescent galaxies and with environment, defined by local galaxy density and cluster mass. The galactic flows are detected and measured via the residual (interstellar) Na D absorption line in stellar continuum-subtracted galaxy spectra. Preliminary results suggest that the fraction of significant outflows declines from starburst to post-starburst to quiescent galaxies, suggesting changes in the importance of stellar and/or nuclear feedback over time.


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