Special Issue "Theory and Observations of Galactic Outflows"
A special issue of Galaxies (ISSN 2075-4434).
Deadline for manuscript submissions: closed (31 August 2018)
The regulation of star formation appears to be a key ingredient in the evolution of galaxies across cosmic time. One of the main issues in galaxy evolution across cosmic time regards regulating star formation processes in galaxies and the built-up of their mass. Galactic Outflows, which are capable of lifting gas from their galaxies out to their halo, is one important process to be considered in conjunction with gas fueling and the efficiency of forming stars. While Galactic Outflows have been observed in various types of galaxies and can be driven by star formation, active galactic nuclei (AGN), powerful radio jets and shocks, a coherent physical picture has not emerged yet. Nevertheless, simple theoretical prescriptions of Galactic Outflows have successfully been implemented into cosmological simulation to reproduce key properties of galaxy populations. Furthermore, high-resolution simulations on the interactions with Galactic Outflows and the complex multi-phase medium in galaxies have been performed, but observations are necessary to constrain physical model parameters.
In this Special Issue, we aim to review and collect original work on both observations and theory of Galactic Outflows. The emphasis here is to develop an understanding of the properties of Galactic Outflows with the goal of obtaining a perspective of their impact on the evolution of galaxies. Some of the non-exhaustive list of key topics to be covered are given as examples:
- Detection and surveys of Galactic outflows
- Estimation and measurements of Galactic outflow energetics
- Driving mechanisms of Galactic outflows
- Observations and theory of the multi-phase nature of Galactic outflows
- Connecting simulations and observations of Galactic outflows
- The fate of the outflowing material: escaping versus falling back
- Triggering of Galactic Outflows and their expansion through the galaxy
- The immediate vs. long-term impact of Galactic Outflows on galaxy evolution
Submission of reviews, as well as focused research articles, are welcome.
Dr. Bernd Husemann
Dr. Dominika Wylezalek
Dr. I-Ting Ho
Manuscript Submission Information
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- Galactic outflows
- Starburst galaxies
- radio jets
- star formation
- galaxy evolution