output
19932026
Showing 2017 · astro-ph.GAShow all

249 papers · 2 filters

astro-ph.GA2017★ 41 cited

Candidate high-z proto-clusters among the Planck compact sources, as revealed by Herschel-SPIRE

J. Greenslade, D. L. Clements, T. Cheng +19

By determining the nature of all the Planck compact sources within 808.4 deg^2 of large Herschel surveys, we have identified 27 candidate proto-clusters of dusty star forming galax…

astro-ph.GA2017★ 88 cited

Major Merging History in CANDELS. I. Evolution of the Incidence of Massive Galaxy-Galaxy Pairs from z=3 to z~0

Kameswara Bharadwaj Mantha, Daniel H. McIntosh, Ryan Brennan +37

The rate of major galaxy-galaxy merging is theoretically predicted to steadily increase with redshift during the peak epoch of massive galaxy development (). We us…

astro-ph.GA2017★ 77 cited

Data release of UV to submm broadband fluxes for simulated galaxies from the EAGLE project

Peter Camps, Ana Trčka, James Trayford +6

We present dust-attenuated and dust emission fluxes for sufficiently resolved galaxies in the EAGLE suite of cosmological hydrodynamical simulations, calculated with the SKIRT radi…

astro-ph.GA2017★ 53 cited

On the Origin of Diffuse Ionized Gas in the Antennae Galaxy

Peter M. Weilbacher, Ana Monreal-Ibero, Anne Verhamme +14

The "Antennae Galaxy" (NGC 4038/39) is the closest major interacting galaxy system and therefore often taken as merger prototype. We present the first comprehensive integral field…

astro-ph.GA2017★ 64 cited

Hierarchical fragmentation in the Perseus molecular cloud: From the cloud scale to protostellar objects

Riwaj Pokhrel, Philip C. Myers, Michael M. Dunham +8

We present a study of hierarchical structure in the Perseus molecular cloud, from the scale of the entire cloud (10 pc) to smaller clumps (1 pc), cores (0.05-0…

astro-ph.GA2017★ 33 cited

The evolution of young HII regions

P. D. Klaassen, K. G. Johnston, J. S. Urquhart +6

High-mass stars form in much richer environments than those associated with isolated low-mass stars, and once they reach a certain mass, produce ionised (HII) regions. The formatio…

astro-ph.GA2017★ 157 cited

Kiloparsec-scale gaseous clumps and star formation at

S. Carniani, R. Maiolino, R. Amorin +13

We investigate the morphology of the [CII] emission in a sample of "normal" star-forming galaxies at in relation to their UV (rest-frame) counterpart. We use new ALMA obs…

astro-ph.GA2017★ 99 cited

Deep VLA observations of the cluster 1RXS J0603.3+4214 in the frequency range 1-2 GHz

K. Rajpurohit, M. Hoeft, R. J. van Weeren +11

We report L-band VLA observations of 1RXS J0603.3+4214, a cluster that hosts a bright radio relic, known as the Toothbrush, and an elongated giant radio halo. These new observation…

astro-ph.GA2017★ 4 cited

The galaxy environment in GAMA G3C groups using the Kilo Degree Survey Data Release 3

M. V. Costa-Duarte, M. Viola, A. Molino +13

We aim to investigate the galaxy environment in GAMA Galaxy Groups Catalogue (G3C) using a volume-limited galaxy sample from the Kilo Degree Survey Data Release 3. The k-Nearest Ne…

astro-ph.GA2017★ 67 cited

The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey. The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass

C. Pulsoni, O. Gerhard, M. Arnaboldi +14

In the hierarchical two-phase formation scenario, the extended halos of early type galaxies (ETGs) are expected to have different physical properties from those of the galaxies' ce…

astro-ph.GA2017★ 58 cited

Photometric redshifts for the next generation of deep radio continuum surveys - II. Gaussian processes and hybrid estimates

Kenneth J Duncan, Matt J. Jarvis, Michael J. I. Brown +1

Building on the first paper in this series (Duncan et al. 2018), we present a study investigating the performance of Gaussian process photometric redshift (photo-z) estimates for g…

astro-ph.GA2017★ 123 cited

Slicing COSMOS with SC4K: the evolution of typical Lya emitters and the Lya escape fraction from z~2 to z~6

David Sobral, Sérgio Santos, Jorryt Matthee +4

We present and explore deep narrow- and medium-band data obtained with the Subaru and the Isaac Newton telescopes in the ~2 deg COSMOS field. We use these data as an extremely…

astro-ph.GA2017★ 23 cited

The ALMA Frontier Fields Survey - IV. Lensing-corrected 1.1 mm number counts in Abell 2744, MACSJ0416.1-2403 and MACSJ1149.5+2223

A. M. Muñoz Arancibia, J. González-López, E. Ibar +15

[abridged] Characterizing the number counts of faint, dusty star-forming galaxies is currently a challenge even for deep, high-resolution observations in the FIR-to-mm regime. They…

astro-ph.GA2017★ 96 cited

The connection between mass, environment and slow rotation in simulated galaxies

Claudia del P. Lagos, Joop Schaye, Yannick Bahe +5

Recent observations from integral field spectroscopy (IFS) indicate that the fraction of galaxies that are slow rotators, , depends primarily on stellar mass, with no s…

astro-ph.GA2017★ 15 cited

ALMA Observations of the Physical and Chemical Conditions in Centaurus A

Mark McCoy, Jürgen Ott, David S. Meier +13

Centaurus A, with its gas-rich elliptical host galaxy, NGC 5128, is the nearest radio galaxy at a distance of 3.8 Mpc. Its proximity allows us to study the interaction between an a…

astro-ph.GA2017★ 66 cited

The dynamics of stellar disks in live dark-matter halos

Michiko S. Fujii, Jeroen Bédorf, Junichi Baba +1

Recent developments in computer hardware and software enable researchers to simulate the self-gravitating evolution of galaxies at a resolution comparable to the actual number of s…

astro-ph.GA2017★ 17 cited

Intensity-Corrected Herschel Observations of Nearby Isolated Low-Mass Clouds

Sarah I. Sadavoy, Eric Keto, Tyler L. Bourke +8

We present intensity-corrected Herschel maps at 100 um, 160 um, 250 um, 350 um, and 500 um for 56 isolated low-mass clouds. We determine the zero-point corrections for Herschel PAC…

astro-ph.GA2017★ 12 cited

Bulgeless galaxies in the COSMOS field: environment and star formation evolution at

M. Grossi, C. A. C. Fernandes, D. Sobral +5

Combining the catalogue of galaxy morphologies in the COSMOS field and the sample of H emitters at redshifts and of the HiZELS survey, we selected 220 st…

astro-ph.GA2017★ 68 cited

LOFAR-Boötes: Properties of high- and low-excitation radio galaxies at

W. L. Williams, G. Calistro Rivera, P. N. Best +13

This paper presents a study of the redshift evolution of radio-loud active galactic nuclei (AGN) as a function of the properties of their galaxy hosts in the Boötes field. To achie…

astro-ph.GA2017★ 7 cited

A clustered origin for isolated massive stars

William E. Lucas, Matus Rybak, Ian A. Bonnell +1

High-mass stars are commonly found in stellar clusters promoting the idea that their formation occurs due to the physical processes linked with a young stellar cluster. It has rece…

astro-ph.GA2017★ 51 cited

Radio Galaxy Zoo: A Search for Hybrid Morphology Radio Galaxies

A. D. Kapinska, I. Terentev, O. I. Wong +14

Hybrid morphology radio sources are a rare type of radio galaxy that display different Fanaroff-Riley classes on opposite sides of their nuclei. To enhance the statistical analysis…

astro-ph.GA2017★ 258 cited

Galaxy And Mass Assembly (GAMA): the G02 field, Herschel-ATLAS target selection and Data Release 3

I. K. Baldry, J. Liske, M. J. I. Brown +39

We describe data release 3 (DR3) of the Galaxy And Mass Assembly (GAMA) survey. The GAMA survey is a spectroscopic redshift and multi-wavelength photometric survey in three equator…

astro-ph.GA2017★ 8 cited

MUSE observations of the counter-rotating nuclear ring in NGC 7742

Thomas P. K. Martinsson, Marc Sarzi, Johan H. Knapen +4

We present results from MUSE observations of the nearly face-on disk galaxy NGC 7742. This galaxy hosts a spectacular nuclear ring of enhanced star formation, which is unusual in t…

astro-ph.GA2017★ 66 cited

3D motions in the Sculptor dwarf galaxy as a glimpse of a new era

D. Massari, M. A. Breddels, A. Helmi +3

The 3D motions of stars in small galaxies beyond our own are minute and yet they are crucial for our understanding of the nature of gravity and dark matter. Even for the dwarf gala…