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Molecular Gas in the Halo Fuels the Growth of a Massive Cluster Galaxy at High Redshift
B. H. C. Emonts, M. D. Lehnert, M. Villar-Martin +19
The largest galaxies in the Universe reside in galaxy clusters. Using sensitive observations of carbon-monoxide, we show that the Spiderweb Galaxy -a massive galaxy in a distant pr…
The AGORA High-Resolution Galaxy Simulations Comparison Project. II: Isolated Disk Test
Ji-hoon Kim, Oscar Agertz, Romain Teyssier +40
Using an isolated Milky Way-mass galaxy simulation, we compare results from 9 state-of-the-art gravito-hydrodynamics codes widely used in the numerical community. We utilize the in…
Formation and settling of a disc galaxy during the last 8 billion years in a cosmological simulation
Daniel Ceverino, Joel Primack, Avishai Dekel +1
We present results of a high-resolution zoom cosmological simulation of the evolution of a low-mass galaxy with a maximum velocity of V=100 km/s at z=0, using the initial condition…
High Angular Momentum Halo Gas: a Feedback and Code-Independent Prediction of LCDM
Kyle Stewart, Ariyeh Maller, Jose Oñorbe +7
We investigate angular momentum acquisition in Milky Way-sized galaxies by comparing five high resolution zoom-in simulations, each implementing identical cosmological initial cond…
Hubble Space Telescope Observations of Accretion-Induced Star Formation in the Tadpole Galaxy Kiso 5639
Debra Meloy Elmegreen, Bruce G. Elmegreen, Jorge Sanchez Almeida +6
The tadpole galaxy Kiso 5639 has a slowly rotating disk with a drop in metallicity at its star-forming head, suggesting that star formation was triggered by the accretion of metal-…