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The first Infrared study of the close environment of a long Gamma-Ray Burst
E. Le Floc'h, V. Charmandaris, K. Gordon +5
We present a characterization of the close environment of GRB980425 based on 5-160mic spectro-imaging obtained with Spitzer. The Gamma-Ray Burst GRB980425 occurred in a nearby (z=0…
An Observed Link between Active Galactic Nuclei and Violent Disk Instabilities in High-Redshift Galaxies
Frederic Bournaud, Stephanie Juneau, Emeric Le Floc'h +7
We provide evidence for a correlation between the presence of giant clumps and the occurrence of active galactic nuclei (AGN) in disk galaxies. Giant clumps of 10^8-9 Msun arise fr…
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…
The evolution of the star formation activity per halo mass up to redshift ~ 1.6 as seen by Herschel
P. Popesso, A. Biviano, G. Rodighiero +40
Star formation in massive galaxies is quenched at some point during hierarchical mass assembly. To understand where and when the quenching processes takes place, we study the evolu…
Constraining Dust and Molecular Gas Properties in Lyman Alpha Blobs at z~3
Yujin Yang, Roberto Decarli, Helmut Dannerbauer +14
In order to constrain the bolometric luminosities, dust properties and molecular gas content of giant Lyman alpha nebulae, the so-called Lyman alpha blobs, we have carried out a st…
Galaxies in X-ray Groups I: Robust Membership Assignment and the Impact of Group Environments on Quenching
Matthew R. George, Alexie Leauthaud, Kevin Bundy +19
Understanding the mechanisms that lead dense environments to host galaxies with redder colors, more spheroidal morphologies, and lower star formation rates than field populations r…