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Instability of Supersonic Cold Streams Feeding Galaxies IV: Survival of Radiatively Cooling Streams
Nir Mandelker, Daisuke Nagai, Han Aung +3
We study the effects of Kelvin Helmholtz Instability (KHI) on the cold streams that feed massive halos at high redshift, generalizing our earlier results to include the effects of…
Shattering of Cosmic Sheets due to Thermal Instabilities: a Formation Channel for Metal-Free Lyman Limit Systems
Nir Mandelker, Frank C. van den Bosch, Volker Springel +1
We present a new cosmological zoom-in simulation, where the zoom region consists of two halos with virial mass M_v~5x10^{12}M_{sun} and a ~Mpc long cosmic filament connecting them…
Ultraviolet Perspectives on Diffuse Gas in the Largest Cosmic Structures
Joseph N. Burchett, Daisuke Nagai, Iryna Butsky +31
The past decade has seen an explosion of discoveries and new insights into the diffuse gas within galaxies, galaxy clusters, and the filaments composing the Cosmic Web. A new decad…
Kelvin-Helmholtz Instability in Self-Gravitating Streams
Han Aung, Nir Mandelker, Daisuke Nagai +2
Self-gravitating gaseous filaments exist on many astrophysical scales, from sub-pc filaments in the interstellar medium to Mpc scale streams feeding galaxies from the cosmic web. T…
Distinguishing Mergers and Disks in High Redshift Observations of Galaxy Kinematics
Raymond C. Simons, Susan A. Kassin, Gregory F. Snyder +9
The majority of massive star-forming galaxies at have velocity gradients suggestive of rotation, in addition to large amounts of disordered motions. In this paper, we demo…