Cosmic Rays Masquerading as Hot CGM Gas: An Inverse-Compton Origin for Diffuse X-ray Emission in the Circumgalactic Medium
Observations from _ROSAT_ and _eROSITA_ have argued that Milky Way (MW), Andromeda, and lower-mass galaxies exhibit extended soft X-ray ($1\,$keV) diffuse halos out to radii $R\gtrsim 100\,$kpc in the circumgalactic medium (CGM). If interpreted as thermal emission from hot gas, the surprisingly sha...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Maynooth Academic Publishing
2025-06-01
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| Series: | The Open Journal of Astrophysics |
| Online Access: | https://doi.org/10.33232/001c.141293 |
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