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Geometry, Kinematics, and Magnetization of Simulated Prestellar Cores
Che-Yu Chen, Eve C. Ostriker
We utilize the more than 100 gravitationally-bound dense cores formed in our three-dimensional, turbulent MHD simulations reported in Chen & Ostriker (2015) to analyze structural,…
Bound Outflows, Unbound Ejecta, and the Shaping of Bipolar Remnants during Stellar Coalescence
Morgan MacLeod, Eve C. Ostriker, James M. Stone
Recent observations have revealed that the remnants of stellar-coalescence transients are bipolar. This raises the questions of how these bipolar morphologies arise and what they t…
The Star Formation Efficiency per Free Fall Time in Nearby Galaxies
Dyas Utomo, Jiayi Sun, Adam K. Leroy +16
We estimate the star formation efficiency per gravitational free fall time, , from observations of nearby galaxies with resolution matched to the typical size of a Gian…
Modeling UV Radiation Feedback from Massive Stars: II. Dispersal of Star-Forming Giant Molecular Clouds by Photoionization and Radiation Pressure
Jeong-Gyu Kim, Woong-Tae Kim, Eve C. Ostriker
UV radiation feedback from young massive stars plays a key role in the evolution of giant molecular clouds (GMCs) by photoevaporating and ejecting the surrounding gas. We conduct a…
Forming Super Star Clusters in the Central Starburst of NGC 253
Adam K. Leroy, Alberto D. Bolatto, Eve C. Ostriker +11
NGC 253 hosts the nearest nuclear starburst. Previous observations show a region rich in molecular gas, with dense clouds associated with recent star formation. We used ALMA to ima…
Dense Gas, Dynamical Equilibrium Pressure, and Star Formation in Nearby Star-Forming Galaxies
Molly J. Gallagher, Adam K. Leroy, Frank Bigiel +17
We use new ALMA observations to investigate the connection between dense gas fraction, star formation rate, and local environment across the inner region of four local galaxies sho…