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On the formation of massive quiescent galaxies with diverse morphologies in the TNG50 simulation
Minjung Park, Sandro Tacchella, Erica J. Nelson +7
Observations have shown that the star-formation activity and the morphology of galaxies are closely related, but the underlying physical connection is not well understood. Using th…
High and low Sérsic index bulges in Milky Way- and M31-like galaxies: origin and connection to the bar with TNG50
Ignacio D. Gargiulo, Antonela Monachesi, Facundo A. Gómez +8
We study bulge formation in MW/M31-like galaxies in a -cold dark matter scenario, focusing on the origin of high- and low-Sersic index bulges. For this purpose we use TNG50, a s…
The building up of observed stellar scaling relations of massive galaxies and the connection to black hole growth in the TNG50 simulation
S. Varma, M. Huertas-Company, A. Pillepich +7
[abridged] We study how mock-observed stellar morphological and structural properties of massive galaxies are built up between and in the TNG50 cosmological simulatio…
Mass of the dynamically hot inner stellar halo predicts the ancient accreted stellar mass
Ling Zhu, Annalisa Pillepich, Glenn van de Ven +6
Galactic dynamical structures are fossil records of the assembly histories of galaxies. By analyzing the cosmological hydrodynamical simulation TNG50, we find that a dynamical stru…
Towards precise galaxy evolution: a comparison between spectral indices of galaxies in the IllustrisTNG simulation and the LEGA-C survey
Po-Feng Wu, Dylan Nelson, Arjen van der Wel +13
We present the first comparison of observed stellar continuum spectra of high-redshift galaxies and mock galaxy spectra generated from hydrodynamical simulations. The mock spectra…
Predictions for anisotropic X-ray signatures in the circumgalactic medium: imprints of supermassive black hole driven outflows
Nhut Truong, Annalisa Pillepich, Dylan Nelson +2
The circumgalactic medium (CGM) encodes signatures of the galaxy-formation process, including the interaction of galactic outflows driven by stellar and supermassive black hole (SM…