X-ray bubbles in the circumgalactic medium of TNG50 Milky Way-and M31-like galaxies: signposts of supermassive black hole activity
A Pillepich, D Nelson, N Truong…�- Monthly Notices of�…, 2021 - academic.oup.com
The TNG50 cosmological simulation produces X-ray emitting bubbles, shells, and cavities in
the circumgalactic gas above and below the stellar discs of Milky Way-and Andromeda-like
galaxies with morphological features reminiscent of the eROSITA and Fermi bubbles in the
Galaxy. Two-thirds of the 198 MW/M31 analogues inspected in TNG50 at z= 0 show one or
more large-scale, coherent features of overpressurized gas that impinge into the gaseous
halo. Some of the galaxies include a succession of bubbles or shells of increasing size�…
the circumgalactic gas above and below the stellar discs of Milky Way-and Andromeda-like
galaxies with morphological features reminiscent of the eROSITA and Fermi bubbles in the
Galaxy. Two-thirds of the 198 MW/M31 analogues inspected in TNG50 at z= 0 show one or
more large-scale, coherent features of overpressurized gas that impinge into the gaseous
halo. Some of the galaxies include a succession of bubbles or shells of increasing size�…
Predictions for anisotropic X-ray signatures in the circumgalactic medium: imprints of supermassive black hole driven outflows
N Truong, A Pillepich, D Nelson…�- Monthly Notices of�…, 2021 - academic.oup.com
The circumgalactic medium (CGM) encodes signatures of the galaxy-formation process,
including the interaction of galactic outflows driven by stellar and supermassive black hole
(SMBH) feedback with the gaseous halo. Moving beyond spherically symmetric radial
profiles, we study the angular dependence of CGM properties around z= 0 massive galaxies
in the IllustrisTNG simulations. We characterize the angular signal of density, temperature,
and metallicity of the CGM as a function of galaxy stellar mass, halo mass, distance, and�…
including the interaction of galactic outflows driven by stellar and supermassive black hole
(SMBH) feedback with the gaseous halo. Moving beyond spherically symmetric radial
profiles, we study the angular dependence of CGM properties around z= 0 massive galaxies
in the IllustrisTNG simulations. We characterize the angular signal of density, temperature,
and metallicity of the CGM as a function of galaxy stellar mass, halo mass, distance, and�…