143 citations · 1k across the 27 of their papers we have counts for
7 papers · 1 filter
Modeling molecular hydrogen in low metallicity galaxies
Ava Polzin, Andrey V. Kravtsov, Vadim A. Semenov +1
We use a suite of hydrodynamics simulations of the interstellar medium (ISM) within a galactic disk, which include radiative transfer, a non-equilibrium model of molecular hydrogen…
Formation of Galactic Disks II: the Physical Drivers of Disk Spin-up
Vadim A. Semenov, Charlie Conroy, Vedant Chandra +2
Using a representative sample of Milky Way (MW)-like galaxies from the TNG50 cosmological simulation, we investigate physical processes driving the formation of galactic disks. A d…
Formation of Galactic Disks I: Why Did the Milky Way's Disk Form Unusually Early?
Vadim A. Semenov, Charlie Conroy, Vedant Chandra +2
Recent results from spectroscopic and astrometric surveys of nearby stars suggest that the stellar disk of our Milky Way (MW) was formed quite early, within the first few billion y…
Fitting Probability Distribution Functions in Turbulent Star-Forming Molecular Clouds
Avery Kiihne, Sabrina M. Appel, Blakesley Burkhart +2
We use a suite of 3D simulations of star-forming molecular clouds, with and without stellar feedback and magnetic fields, to investigate the effectiveness of different fitting meth…
The Uniqueness of the Gauss Image Measure
Vadim Semenov
We show that if the Gauss Image Measure of submeasure via convex body agrees with the Gauss Image Measure of via convex body , then the radial Gauss Image maps of th…
Clouds of Theseus: long-lived molecular clouds are composed of short-lived H2 molecules
Sarah M. R. Jeffreson, Vadim A. Semenov, Mark R. Krumholz
We use passive gas tracer particles in an Arepo simulation of a dwarf spiral galaxy to relate the Lagrangian evolution of star-forming gas parcels and their H2 molecules to the evo…
What Sets the Star Formation Rate of Molecular Clouds? The Density Distribution as a Fingerprint of Compression and Expansion Rates
Sabrina M. Appel, Blakesley Burkhart, Vadim A. Semenov +3
We use a suite of 3D simulations of star-forming molecular clouds, with and without stellar feedback, magnetic fields, and driven turbulence, to study the compression and expansion…