output
19912026
Showing 2014 · astro-ph.GAShow all

105 papers · 2 filters

astro-ph.GA2014★ 13 cited

CLASH: Extreme Emission Line Galaxies and Their Implication on Selection of High-Redshift Galaxies

Xingxing Huang, Wei Zheng, Junxian Wang +23

We utilize the CLASH (Cluster Lensing And Supernova survey with Hubble) observations of 25 clusters to search for extreme emission-line galaxies (EELGs). The selections are carried…

astro-ph.GA2014★ 77 cited

The reversal of the SF-density relation in a massive, X-ray selected galaxy cluster at z=1.58: results from Herschel

Joana S. Santos, . Bruno Altieri, Ivan Valtchanov +8

Dusty, star-forming galaxies have a critical role in the formation and evolution of massive galaxies in the Universe. Using deep far-infrared imaging in the range 100-500um obtaine…

astro-ph.GA2014★ 30 cited

Spatially resolved physical conditions of molecular gas and potential star formation tracers in M83, revealed by the Herschel SPIRE FTS

Ronin Wu, Suzanne Madden, Frédéric Galliano +19

Since the launch of the Herschel Space Observatory, our understanding about the photo-dissociation regions (PDR) has taken a step forward. In the bandwidth of the Fourier Transform…

astro-ph.GA2014★ 9 cited

COLDz: Karl G. Jansky Very Large Array discovery of a gas-rich galaxy in COSMOS

L. Lentati, J. Wagg, C. L. Carilli +15

The broad spectral bandwidth at mm and cm-wavelengths provided by the recent upgrades to the Karl G. Jansky Very Large Array (VLA) has made it possible to conduct unbiased searches…

astro-ph.GA2014★ 39 cited

Black hole growth and AGN feedback under clumpy accretion

Colin DeGraf, Avishai Dekel, Jared Gabor +1

High-resolution simulations of supermassive black holes in isolated galaxies have suggested the importance of short (~10 Myr) episodes of rapid accretion caused by interactions bet…

astro-ph.GA2014★ 124 cited

A Detailed Study of Feedback from a Massive Star

Sam Geen, Joakim Rosdahl, Jeremy Blaizot +2

We present numerical simulations of a 15 solar mass star in a suite of idealised environments in order to quantify the amount of energy transmitted to the interstellar medium (ISM)…

astro-ph.GA2014★ 27 cited

The Herschel Virgo Cluster Survey. XVIII. Star-forming dwarf galaxies in a cluster environment

M. Grossi, L. K. Hunt, S. C. Madden +22

To assess the effects of the cluster environment on the different components of the interstellar medium, we analyse the FIR-submm properties of a sample of star-forming dwarf (SFD)…

astro-ph.GA2014★ 127 cited

Mutual influence of supernovae and molecular clouds

Olivier Iffrig, Patrick Hennebelle

Context. Molecular clouds are known to be turbulent and strongly affected by stellar feedback. Moreover, stellar feedback is believed to drive turbulence at large scales in galaxie…

astro-ph.GA2014★ 29 cited

The inefficiency of satellite accretion in forming extended star clusters

Paolo Bianchini, Florent Renaud, Mark Gieles +1

The distinction between globular clusters and dwarf galaxies has been progressively blurred by the recent discoveries of several extended star clusters, with size (20-30 pc) and lu…

astro-ph.GA2014★ 7 cited

The ages, metallicities and element abundance ratios of massive quenched galaxies at z~1.6

M. Onodera, C. M. Carollo, A. Renzini +8

We investigate the stellar population properties of a sample of 24 massive quenched galaxies at identified in the COSMOS field with our Subaru/MOIRCS ne…

astro-ph.GA2014★ 111 cited

Planck intermediate results. XXXIII. Signature of the magnetic field geometry of interstellar filaments in dust polarization maps

Planck Collaboration, P. A. R. Ade, N. Aghanim +187

Planck observations at 353GHz provide the first fully-sampled maps of the polarized dust emission towards interstellar filaments and their backgrounds. The polarization data provid…

astro-ph.GA2014★ 18 cited

Accretion-Inhibited Star Formation in the Warm Molecular Disk of the Green-valley Elliptical Galaxy NGC 3226

P. N. Appleton, C. Mundell, T. Bitsakis +7

We present archival Spitzer photometry and spectroscopy, and Herschel photometry, of the peculiar "Green Valley" elliptical galaxy NGC~3226. The galaxy, which contains a low-lumino…

astro-ph.GA2014★ 189 cited

The far-infrared/radio correlation and radio spectral index of galaxies in the SFR-M* plane up to z 2

B. Magnelli, R. J. Ivison, D. Lutz +21

[Abridged] We study the evolution of the radio spectral index and far-infrared/radio correlation (FRC) across the star-formation rate-stellar masse (i.e. SFR-M*) plane up to z 2. W…

astro-ph.GA2014★ 147 cited

The interplay between a galactic bar and a supermassive black hole: nuclear fueling in a sub-parsec resolution galaxy simulation

Eric Emsellem, Florent Renaud, Frédéric Bournaud +3

We study the connection between the large-scale dynamics and the gas fueling toward a central black hole via the analysis of a Milky Way-like simulation at sub-parsec resolution. T…

astro-ph.GA2014★ 163 cited

A parsec-resolution simulation of the Antennae galaxies: Formation of star clusters during the merger

Florent Renaud, Frédéric Bournaud, Pierre-Alain Duc

We present a hydrodynamical simulation of an Antennae-like galaxy merger at parsec resolution, including a multi-component model for stellar feedback and reaching numerical converg…

astro-ph.GA2014★ 32 cited

The Next Generation Virgo Cluster Survey. XV. The photometric redshift estimation for background sources

A. Raichoor, S. Mei, T. Erben +28

The Next Generation Virgo Cluster Survey is an optical imaging survey covering 104 deg^2 centered on the Virgo cluster. Currently, the complete survey area has been observed in the…

astro-ph.GA2014★ 1 cited

Applying galactic archeology to massive galaxies using deep imaging surveys

Pierre-Alain Duc

Various programs aimed at exploring the still largely unknown low surface brightness Universe with deep imaging optical surveys have recently started. They open a new window for st…

astro-ph.GA2014★ 365 cited

The Atlas3D project -- XXIX. The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images

Pierre-Alain Duc, Jean-Charles Cuillandre, Emin Karabal +24

Galactic archeology based on star counts is instrumental to reconstruct the past mass assembly of Local Group galaxies. The development of new observing techniques and data-reducti…

astro-ph.GA2014★ 164 cited

Are Dusty Galaxies Blue? Insights on UV Attenuation from Dust-Selected Galaxies

C. M. Casey, N. Z. Scoville, D. B. Sanders +12

Galaxies' rest-frame ultraviolet (UV) properties are often used to directly infer the degree to which dust obscuration affects the measurement of star formation rates. While much r…

astro-ph.GA2014★ 37 cited

The mass-metallicity relation of zCOSMOS galaxies at z ~ 0.7, its dependence on SFR, and the existence of massive low-metallicity galaxies

C. Maier, B. L. Ziegler, S. J. Lilly +5

(Abridged) The knowledge of the number and of the physical nature of low-metallicity massive galaxies is crucial for the determination and interpretation of the mass-metallicity re…

astro-ph.GA2014★ 112 cited

The stellar accretion origin of stellar population gradients in massive galaxies at large radii

Michaela Hirschmann, Thorsten Naab, Jeremiah P. Ostriker +5

We investigate the evolution of stellar population gradients from to in massive galaxies at large radii () using ten cosmological zoom simulation…

astro-ph.GA2014★ 166 cited

The Most Luminous Galaxies Discovered by WISE

Chao-Wei Tsai, Peter Eisenhardt, Jingwen Wu +25

We present 20 WISE-selected galaxies with bolometric luminosities L_bol > 10^14 L_sun, including five with infrared luminosities L_IR = L(rest 8-1000 micron) > 10^14 L_sun. These "…

astro-ph.GA2014★ 72 cited

Metal deficiency in cluster star-forming galaxies at z=2

F. Valentino, E. Daddi, V. Strazzullo +8

We investigate the environmental effect on the metal enrichment of star-forming galaxies (SFGs) in the farthest spectroscopically confirmed and X-ray detected cluster, CL~J1449+085…

astro-ph.GA2014★ 120 cited

The Hawk-I UDS and GOODS Survey (HUGS): Survey design and deep K-band number counts

A. Fontana, J. S. Dunlop, D. Paris +40

We present the results of a new, ultra-deep, near-infrared imaging survey executed with the Hawk-I imager at the ESO VLT, of which we make all the data public. This survey, named H…