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Luminous and High Stellar Mass Candidate Galaxies at z ~ 8 Discovered in CANDELS
Haojing Yan, Steven L. Finkelstein, Kuang-Han Huang +26
One key goal of the Hubble Space Telescope Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey is to track galaxy evolution back to z ~ 8. Its two-tiered "wide and deep"…
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…
Evolution of violent gravitational disc instability in galaxies: Late stabilization by transition from gas to stellar dominance
Marcello Cacciato, Avishai Dekel, Shy Genel
We address the cosmological evolution of violent gravitational instability in high-redshift, massive, star-forming galactic discs. To this aim, we integrate in time the equations o…
Co-planar streams, pancakes, and angular-momentum exchange in high-z disc galaxies
Mark Danovich, Avishai Dekel, Oliver Hahn +1
We study the feeding of massive galaxies at high redshift through streams from the cosmic web using the Mare Nostrum hydro-cosmological simulation. Our statistical sample consists…
GOODS-Herschel and CANDELS: The Morphologies of Ultraluminous Infrared Galaxies at z~2
Jeyhan S. Kartaltepe, Mark Dickinson, David M. Alexander +40
Using deep 100-160 micron observations in GOODS-S from the GOODS-H survey, combined with HST/WFC3 NIR imaging from CANDELS, we present the first morphological analysis of a complet…
X-ray selected AGN Hosts are Similar to Inactive Galaxies out to z=3: Results from CANDELS/CDF-S
D. J. Rosario, M. Mozena, S. Wuyts +18
We use multi-band spatially resolved photometry from the Cosmic Assembly Near-IR Deep Legacy Survey (CANDELS) in the 4 MSec Chandra Deep Field-South (CDF-S) to explore the nuclear…
CANDELS Observations of the Structural Properties and Evolution of Galaxies in a Cluster at z=1.62
Casey Papovich, R. Bassett, J. M. Lotz +25
We discuss the structural and morphological properties of galaxies in a z=1.62 proto-cluster using near-IR imaging data from Hubble Space Telescope Wide Field Camera 3 data of the…
What turns galaxies off? The different morphologies of star-forming and quiescent galaxies since z~2 from CANDELS
Eric F. Bell, Arjen van der Wel, Casey Papovich +21
We use HST/WFC3 imaging from the CANDELS Multicycle Treasury Survey, in conjunction with the Sloan Digital Sky Survey, to explore the evolution of galactic structure for galaxies w…
A Universal, Local Star Formation Law in Galactic Clouds, Nearby Galaxies, High-Redshift Disks, and Starbursts
Mark R. Krumholz, Avishai Dekel, Christopher F. McKee
[abridged] While observations of Local Group galaxies show a very simple, local star formation law in which the star formation rate per unit area in each patch of a galaxy scales l…
Black Hole growth and AGN obscuration by instability-driven inflows in high-redshift disk galaxies fed by cold streams
Frederic Bournaud, Avishai Dekel, Romain Teyssier +4
Disk galaxies at high redshift have been predicted to maintain high gas surface densities due to continuous feeding by intense cold streams leading to violent gravitational instabi…
Rotational Support of Giant Clumps in High-z Disc Galaxies
Daniel Ceverino, Avishai Dekel, Nir Mandelker +4
We address the internal support against total free-fall collapse of the giant clumps that form by violent gravitational instability in high-z disc galaxies. Guidance is provided by…
Metallicity-Dependent quenching of Star Formation at High Redshift in Small Galaxies
Mark R. Krumholz, Avishai Dekel
[abridged] The star formation rates (SFR) of low-metallicity galaxies depend sensitively on the gas metallicity, because metals are crucial to mediating the transition from interme…
CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products and Mosaics
Anton M. Koekemoer, S. M. Faber, Henry C. Ferguson +120
This paper describes the Hubble Space Telescope imaging data products and data reduction procedures for the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). This…
CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey
Norman A. Grogin, Dale D. Kocevski, S. M. Faber +104
The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) is designed to document the first third of galactic evolution, over the approximate redshift (z) range…
On the puzzling plateau in the specific star formation rate at z=2-7
Simone M. Weinmann, Eyal Neistein, Avishai Dekel
The observational indications for a constant specific star-formation rate (sSFR) in the redshift range z=2-7 are puzzling in the context of current galaxy-formation models. Despite…
Absorption line systems in simulated galaxies fed by cold streams
Michele Fumagalli, J. Xavier Prochaska, Daniel Kasen +3
Hydro cosmological simulations reveal that massive galaxies at high redshift are fed by long narrow streams of merging galaxies and a smoother component of cold gas. We post-proces…
The Role of Dissipation in the Scaling Relations of Cosmological Merger Remnants
M. D. Covington, J. R. Primack, L. A. Porter +3
There are strong correlations between the three structural properties of elliptical galaxies -- stellar mass, velocity dispersion and size -- in the form of a tight "fundamental pl…