Metal-poor Stars in the MW Disk: Resonant Cooling of Vertical Oscillations of Halo Stars in Barred Galaxies

Using numerical simulations of a barred disk galaxy embedded in nonspinning and spinning dark matter (DM) halos, we present a novel mechanism of “cooling” the vertical oscillations of DM particles, which acquire disk kinematics. The underlying mechanism consists of resonant interactions between halo...

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Bibliographic Details

Published in:	The Astrophysical Journal Letters
Main Authors:	Xingchen Li, Isaac Shlosman, Daniel Pfenniger, Clayton Heller
Format:	Article
Language:	English
Published:	IOP Publishing 2024-01-01
Subjects:	Galaxy dynamics Galaxy bars Galaxy disks Galaxy evolution Galaxy formation Galaxy stellar halos
Online Access:	https://doi.org/10.3847/2041-8213/ad67d6