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Compaction-Driven Black Hole Growth
Sharon Lapiner, Avishai Dekel, Yohan Dubois
We study the interplay between galaxy evolution and central black-hole (BH) growth using the {NewHorizon} cosmological simulation. BH growth is slow when the dark-matter halo is be…
The nature of giant clumps in high-z discs: a deep-learning comparison of simulations and observations
Omri Ginzburg, Marc Huertas-Company, Avishai Dekel +4
We use deep learning to explore the nature of observed giant clumps in high-redshift disc galaxies, based on their identification and classification in cosmological simulations. Si…
Evaluating Galaxy Dynamical Masses From Kinematics and Jeans Equilibrium in Simulations
Michael Kretschmer, Avishai Dekel, Jonathan Freundlich +3
We provide prescriptions to evaluate the dynamical mass () of galaxies from kinematic measurements of stars or gas using analytic considerations and the VELA suite of…
Structural evolution in massive galaxies at z~2
Ken-ichi Tadaki, Sirio Belli, Andreas Burkert +18
We present 0.2arcsec-resolution Atacama Large Millimeter/submillimeter Array observations at 870 m in a stellar mass-selected sample of 85 massive ($M_\mathrm{star}>10^{11}~M_\o…
OVI Traces Photoionized Streams With Collisionally Ionized Boundaries in Cosmological Simulations of Massive Galaxies
Clayton Strawn, Santi Roca-Fàbrega, Nir Mandelker +6
We analyse the distribution and origin of OVI in the Circumgalactic Medium (CGM) of dark-matter haloes of M at in the VELA cosmological zoom-in simu…
The relationship between fine galaxy stellar morphology and star formation activity in cosmological simulations: a deep learning view
Lorenzo Zanisi, Marc Huertas-Company, Francois Lanusse +10
Hydrodynamical simulations of galaxy formation and evolution attempt to fully model the physics that shapes galaxies. The agreement between the morphology of simulated and real gal…