SIMBAD references

2022ApJ...926....8S - Astrophys. J., 926, 8-8 (2022/February-2)

The Effects of Cosmic-Ray Diffusion and Radiative Cooling on the Galactic Wind of the Milky Way.

SHIMODA J. and INUTSUKA S.-I.

Abstract (from CDS):

The effects of cosmic-ray diffusion and radiative cooling on the structure of the Galactic wind are studied using a steady-state approximation. It is known that realistic cooling processes suppress the wind from launching. The effects of cosmic-ray diffusion are also supposed to be unfavorable for launching the wind. Both of these effects have not been studied simultaneously in a steady-state approximation of the wind. We find 327,254 solutions of the steady-state Galactic wind and confirm that: the effect of the cosmic-ray pressure depends on the Alfven Mach number, the mass flux carried by the wind does not depend on the cosmic-ray pressure directly (but depends on the thermal pressure), and the typical conditions found in the Galaxy may correspond to the wind solution that provides metal-polluted matter at a height of ∼300 kpc from the disk.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galactic winds - Galactic cosmic rays - Milky Way evolution - Star formation

Simbad objects: 4

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