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Paper: |
Simulations of Galactic Disks Including a Dark Baryonic Component |
Volume: |
396, Formation and Evolution of Galaxy Disks |
Page: |
459 |
Authors: |
Revaz, Y.; Pfenniger, D.; Combes, F.; Bournaud, F. |
Abstract: |
ΛCDM numerical simulations predict that the ‘missing baryons’ reside in a warm-hot gas phase in the over-dense cosmic filaments. However, there are now several theoretical and observational arguments that support the fact that galactic disks may be more massive than usually thought, containing a substantial fraction of the ‘missing baryons’. Hereafter, we present new N-body simulations of galactic disks, where the gas content has been multiplied by a factor 5. The stability of the disk is ensured by assuming that the interstellar medium is composed out of two partially coupled phases, a warm phase, corresponding the observed CO and H I gas and a cold collisionless phase corresponding to the unseen baryons. |
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