A possible influence of magnetic fields on the rotation of gas in NGC 253
Joanna Ja{\l}ocha, {\L}ukasz Bratek, Jan P\c{e}kala, Marek Kutschera
TL;DR
This paper investigates how the exceptionally strong magnetic fields in galaxy NGC 253 may influence gas rotation, potentially affecting the inferred presence of dark matter halos.
Contribution
It explores the impact of magnetic fields on gas dynamics and mass estimates in NGC 253, offering a new perspective on dark matter evidence in this galaxy.
Findings
Magnetic fields are strong enough to affect gas rotation.
Magnetic influence could alter the interpretation of dark matter presence.
Results suggest reconsidering dark matter estimates in magnetized galaxies.
Abstract
The magnetic fields that are present in the galaxy NGC 253 are exceptionally strong. This means that they can influence the rotation of matter and hence the mass-to-light ratio. In this context, we address the issue of the presence of a non-baryonic dark matter halo in this galaxy.
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