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The Effect of Gas Fraction on the Morphology and Time-scales of Disc Galaxy Mergers
Jennifer M. Lotz, Patrik Jonsson, T. J. Cox +1
Gas-rich galaxy mergers are more easily identified by their disturbed morphologies than mergers with less gas. Because the typical gas fraction of galaxy mergers is expected to inc…
The Effect of Mass Ratio on the Morphology and Time-scales of Disc Galaxy Mergers
Jennifer M. Lotz, Patrik Jonsson, T. J. Cox +1
The majority of galaxy mergers are expected to be minor mergers. The observational signatures of minor mergers are not well understood, thus there exist few constraints on the mino…
At the heart of the matter: the origin of bulgeless dwarf galaxies and Dark Matter cores
Fabio Governato, Chris Brook, Lucio Mayer +8
For almost two decades the properties of "dwarf" galaxies have challenged the Cold Dark Matter (CDM) paradigm of galaxy formation. Most observed dwarf galaxies consists of a rotati…
A Physical Model for z~2 Dust Obscured Galaxies
Desika Narayanan, Arjun Dey, Christopher Hayward +8
We present a physical model for the origin of z~2 Dust-Obscured Galaxies (DOGs), a class of high-redshift ULIRGs selected at 24 micron which are particularly optically faint (24/R>…
Accelerating Dust Temperature Calculations with Graphics Processing Units
Patrik Jonsson, Joel Primack
When calculating the infrared spectral energy distributions (SEDs) of galaxies in radiation-transfer models, the calculation of dust grain temperatures is generally the most time-c…
High-Resolution Panchromatic Spectral Models of Galaxies including Photoionisation and Dust
Patrik Jonsson, Brent Groves, T. J. Cox
An updated version of the dust radiation transfer code Sunrise, including models for star-forming regions and a self-consistent calculation of the spatially dependent dust and PAH…