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Environmental dependence of star formation induced by cloud collisions in a barred galaxy
Yusuke Fujimoto, Elizabeth J. Tasker, Asao Habe
Cloud collision have been proposed as a way to link the small-scale star formation process with the observed global relation between the surface star formation rate and gas surface…
Do cloud-cloud collisions trigger high-mass star formation? I. Small cloud collisions
Ken Takahira, Elizabeth J. Tasker, Asao Habe
We performed sub-parsec (~0.06pc) scale simulations of two idealised molecular clouds with different masses undergoing a collision. Gas clumps with density greater than 1e-20 g/cm3…
Formation of an embryonic supermassive star in the first galaxy
Kohei Inayoshi, Kazuyuki Omukai, Elizabeth J. Tasker
We studied the gravitational collapse of a warm (~8000 K) primordial-gas cloud as a candidate progenitor for a supermassive star (SMS; >10^5 Msun) using a three-dimensional hydrody…
Do Giant Molecular Clouds Care About the Galactic Structure?
Yusuke Fujimoto, Elizabeth J. Tasker, Mariko Wakayama +1
We investigate the impact of galactic environment on the properties of simulated giant molecular clouds formed in a M83-type barred spiral galaxy. Our simulation uses a rotating st…
Emergence of the Kennicutt-Schmidt Relation from the Small-Scale SFR-Density Relation
Nickolay Y. Gnedin, Elizabeth J. Tasker, Yusuke Fujimoto
We use simulations of isolated galaxies with a few parsec resolution to explore the connection between the small-scale star formation rate - gas density relation and the induced la…