Constrained Local Group hydrodynamical simulations predict up to 8 HI-detectable dark galaxies within 2.5 Mpc of the Milky Way.
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Triaxial dynamical modelling of the Galactic centre recovers the known mass of Sgr A* and shows the nuclear structures are mildly triaxial with radially varying orbit populations dominated by hot/warm orbits inside a few parsecs and cold orbits farther out.
In TNG50, high-stellar-mass galaxies show shallow inner DM slopes regardless of central or satellite status, low-mass galaxies exhibit diverse profiles with satellites steeper especially if red and in massive hosts, and inner slopes steepen from z~1 to z=0 more strongly in the hydro run.
citing papers explorer
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HI-bearing dark galaxies predictions from constrained Local Group simulations: how many and where to find them
Constrained Local Group hydrodynamical simulations predict up to 8 HI-detectable dark galaxies within 2.5 Mpc of the Milky Way.
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A spectroscopic map of the Galactic centre: Integrated light and dynamical modelling
Triaxial dynamical modelling of the Galactic centre recovers the known mass of Sgr A* and shows the nuclear structures are mildly triaxial with radially varying orbit populations dominated by hot/warm orbits inside a few parsecs and cold orbits farther out.
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The Inner Dark-Matter Structure of Galaxies
In TNG50, high-stellar-mass galaxies show shallow inner DM slopes regardless of central or satellite status, low-mass galaxies exhibit diverse profiles with satellites steeper especially if red and in massive hosts, and inner slopes steepen from z~1 to z=0 more strongly in the hydro run.