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The SEDs of Interacting Galaxies
Lauranne Lanz, Nicola Brassington, Andreas Zezas +8
The evolution of galaxies is greatly influenced by their interactions. As part of a program to study interacting galaxies, we have measured and modeled the spectral energy distri-…
Stellar Feedback & Bulge Formation in Clumpy Disks
Philip F. Hopkins, Dusan Keres, Norman Murray +2
We use numerical simulations of isolated galaxies to study the effects of stellar feedback on the formation and evolution of giant star-forming gas 'clumps' in high-redshift, gas-r…
Why Are AGN and Host Galaxies Misaligned?
Philip F. Hopkins, Lars Hernquist, Christopher C. Hayward +1
It is well-established observationally that the characteristic angular momentum axis on small scales around AGN, traced by radio jets and the putative torus, is not well-correlated…
Moving Mesh Cosmology: Properties of Gas Disks
Paul Torrey, Mark Vogelsberger, Debora Sijacki +2
We compare the structural properties of galaxies formed in cosmological simulations using the smoothed particle hydrodynamics (SPH) code GADGET with those using the moving-mesh cod…
A General Model for the CO-H2 Conversion Factor in Galaxies with Applications to the Star Formation Law
Desika Narayanan, Mark R. Krumholz, Eve C. Ostriker +1
The most common means of converting an observed CO line intensity into a molecular gas mass requires the use of a conversion factor (Xco). While in the Milky Way this quantity does…
Moving mesh cosmology: characteristics of galaxies and haloes
Dusan Keres, Mark Vogelsberger, Debora Sijacki +2
We discuss cosmological hydrodynamic simulations of galaxy formation performed with the new moving-mesh code AREPO, which promises higher accuracy compared with the traditional SPH…