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The Star-Formation Histories of z~2 DOGs and SMGs
R. S. Bussmann, Arjun Dey, L. Armus +6
The Spitzer Space Telescope has identified a population of ultra-luminous infrared galaxies (ULIRGs) at z ~ 2 that may play an important role in the evolution of massive galaxies.…
The importance of the local density in shaping the galaxy stellar mass functions
Benedetta Vulcani, Bianca M. Poggianti, Giovanni Fasano +6
Exploiting the capabilities of four different surveys --- the Padova-Millennium Galaxy and Group Catalogue (PM2GC), the WIde-field Nearby Galaxy-cluster Survey (WINGS), the IMACS C…
Resolving the Galaxies within a Giant Lya Nebula: Witnessing the Formation of a Galaxy Group?
Moire K. M. Prescott, Arjun Dey, Mark Brodwin +8
Detailed analysis of the substructure of Lya nebulae can put important constraints on the physical mechanisms at work and the properties of galaxies forming within them. Using high…
HST Morphologies of z ~ 2 Dust-Obscured Galaxies II: Bump Sources
R. S. Bussmann, Arjun Dey, J. Lotz +11
We present Hubble Space Telescope (HST) imaging of 22 ultra-luminous infrared galaxies (ULIRGs) at z~2 with extremely red R-[24] colors (called dust-obscured galaxies, or DOGs) whi…
The Dirt on Dry Mergers
Vandana Desai, Arjun Dey, Emma Cohen +2
Using data from the Spitzer Space Telescope, we analyze the mid-infrared (3-70 micron) spectral energy distributions of dry merger candidates in the Bootes field of the NOAO Deep W…
Black Hole Masses and Star Formation Rates of z >1 Dust Obscured Galaxies (DOGs): Results from Keck OSIRIS Integral Field Spectroscopy
J. Melbourne, Chien Y. Peng, B. T. Soifer +6
We have obtained high spatial resolution Keck OSIRIS integral field spectroscopy of four z~1.5 ultra-luminous infrared galaxies that exhibit broad H-alpha emission lines indicative…