output
19922026
Showing 2018 · astro-ph.GAShow all

24 papers · 2 filters

astro-ph.GA2018★ 24 cited

The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy

T. K. Daisy Leung, Dominik A. Riechers, Andrew J. Baker +9

We present CO(J= 1-0; 3-2; 5-4; 10-9) and 1.2-kpc resolution [CII] line observations of the dusty star-forming galaxy (SFG) HXMM05 -- carried out with the Karl G. Jansky Very Large…

astro-ph.GA2018★ 51 cited

1D Kinematics from stars and ionized gas at from the LEGA-C spectroscopic survey of massive galaxies

Rachel Bezanson, Arjen van der Wel, Caroline Straatman +14

We present a comparison of the observed, spatially integrated stellar and ionized gas velocity dispersions of massive () galaxies…

astro-ph.GA2018★ 55 cited

The Shapes of the Rotation Curves of Star-forming Galaxies Over the Last 10 Gyr

Alfred L. Tiley, A. M. Swinbank, C. M. Harrison +16

We analyse maps of the spatially-resolved nebular emission of 1500 star-forming galaxies at - from deep KMOS and MUSE observations to measure the average…

astro-ph.GA2018★ 39 cited

The clustering of typical Ly emitters from : host halo masses depend on Ly and UV luminosities

Ali Ahmad Khostovan, David Sobral, Bahram Mobasher +7

We investigate the clustering and halo properties of Ly-selected emission line galaxies (LAEs) from the Slicing COSMOS 4K (SC4K) and from archival NB497 imaging of S…

astro-ph.GA2018★ 42 cited

KROSS-SAMI: A Direct IFS Comparison of the Tully-Fisher Relation Across 8 Gyr Since

A. L. Tiley, M. Bureau, L. Cortese +27

We construct Tully-Fisher relations (TFRs), from large samples of galaxies with spatially-resolved H emission maps from the K-band Multi-Object Spectrograph (KMOS) Redshift One…

astro-ph.GA2018★ 104 cited

Fast and slow paths to quiescence: ages and sizes of 400 quiescent galaxies from the LEGA-C survey

Po-Feng Wu, Arjen van der Wel, Rachel Bezanson +11

We analyze stellar age indicators (D4000 and EW(H)) and sizes of 467 quiescent galaxies with at drawn from DR2 of the LEGA-C survey.…

astro-ph.GA2018★ 152 cited

ALMA reveals potential evidence for spiral arms, bars, and rings in high-redshift submillimeter galaxies

J. A. Hodge, I. Smail, F. Walter +20

We present sub-kpc-scale mapping of the 870 m ALMA continuum emission in six luminous ( L) submillimeter galaxies (SMGs) from the ALES…

astro-ph.GA2018★ 47 cited

Evolution of Star-forming Galaxies from z = 0.7 to 1.2 with eBOSS Emission-line Galaxies

Hong Guo, Xiaohu Yang, Anand Raichoor +9

We study the evolution of star-forming galaxies with over the redshift range of 0.7<z<1.2 using the emission line galaxies (ELGs) in the ext…

astro-ph.GA2018★ 108 cited

The Large Early Galaxy Astrophysics Census (LEGA-C) Data Release II: dynamical and stellar population properties of z ~< 1 galaxies in the COSMOS field

Caroline M. S. Straatman, Arjen van der Wel, Rachel Bezanson +18

We present the second data release of the Large Early Galaxy Astrophysics Census (LEGA-C), an ESO 130-night public spectroscopic survey conducted with VIMOS on the Very Large Teles…

astro-ph.GA2018★ 33 cited

Quasar Sightline and Galaxy Evolution (QSAGE) Survey - I. The Galaxy Environment of OVI Absorbers up to z=1.4 around PKS 0232-04

R. M. Bielby, J. P. Stott, F. Cullen +8

We present the first results from a study of OVI absorption around galaxies at using data from a near-infrared grism spectroscopic Hubble Space Telescope Large Program, th…

astro-ph.GA2018★ 12 cited

Evolution of Starburst Galaxies in the Illustris Simulation

C. L. Wilkinson, K. A. Pimbblet, J. P. Stott +2

There is a consensus in the literature that starburst galaxies are triggered by inter- action events. However, it remains an open question as to what extent both merging and non-me…

astro-ph.GA2018★ 26 cited

VIS3COS: I. survey overview and the role of environment and stellar mass on star formation

Ana Paulino-Afonso, David Sobral, Behnam Darvish +5

We present the VIMOS Spectroscopic Survey of a Supercluster in the COSMOS field (VIS3COS) at z~0.84. We use VIMOS high-resolution spectra (GG475 filter) to spectroscopically select…

astro-ph.GA2018★ 55 cited

SFHs OF Galaxies in LEGA-C

Priscilla Chauke, Arjen van der Wel, Camilla Pacifici +17

Using high resolution spectra from the VLT LEGA-C program, we reconstruct the star formation histories (SFHs) of 607 galaxies at redshifts and stellar masses $\gtrsim…

astro-ph.GA2018★ 75 cited

Molecular Gas Contents and Scaling Relations for Massive Passive Galaxies at Intermediate Redshifts from the LEGA-C Survey

Justin Spilker, Rachel Bezanson, Ivana Barisic +13

A decade of study has established that the molecular gas properties of star-forming galaxies follow coherent scaling relations out to z~3, suggesting remarkable regularity of the i…

astro-ph.GA2018★ 31 cited

Confirmation of double peaked Lyman-alpha emission at z=6.593: Witnessing a galaxy directly contributing to the reionisation of the Universe

Jorryt Matthee, David Sobral, Max Gronke +3

Distant luminous Lyman-alpha emitters (LAEs) are excellent targets for spectroscopic observations of galaxies in the epoch of reionisation (EoR). We present deep high-resolution (R…

astro-ph.GA2018★ 84 cited

Spatially Resolved Stellar Kinematics from LEGA-C: Increased Rotational Support in z~0.8 Quiescent Galaxies

Rachel Bezanson, Arjen van der Wel, Camilla Pacifici +18

We present stellar rotation curves and velocity dispersion profiles for 104 quiescent galaxies at from the Large Early Galaxy Astrophysics Census (LEGA-C) spectroscopic s…

astro-ph.GA2018★ 23 cited

Constraining the radio jet proper motion of the high-redshift quasar J2134-0419 at z=4.3

K. Perger, S. Frey, K. É. Gabányi +12

To date, PMN J2134-0419 (at a redshift z=4.33) is the second most distant quasar known with a milliarcsecond-scale morphology permitting direct estimates of the jet proper motion.…

astro-ph.GA2018★ 91 cited

The nature of luminous Lyman-alpha emitters at z~2-3: maximal dust-poor starbursts and highly ionising AGN

David Sobral, Jorryt Matthee, Behnam Darvish +8

Deep narrow-band surveys have revealed a large population of faint Lyman-alpha (Lya) emitters (LAEs) in the distant Universe, but relatively little is known about the most luminous…

astro-ph.GA2018★ 24 cited

Predicting Lyman-alpha escape fractions with a simple observable: Lyman-alpha in emission as an empirically calibrated star formation rate indicator

David Sobral, Jorryt Matthee

Lyman-alpha (Lya) is intrinsically the brightest line emitted from active galaxies. While it originates from many physical processes, for star-forming galaxies the intrinsic Lya lu…

astro-ph.GA2018★ 62 cited

Stellar Populations of over one thousand Galaxies from LEGA-C: Ages and Star Formation Histories from D4000 and H

Po-Feng Wu, Arjen van der Wel, Anna Gallazzi +18

Drawing from the LEGA-C dataset, we present the spectroscopic view of the stellar population across a large volume- and mass-selected sample of galaxies at large lookback time. We…

astro-ph.GA2018★ 25 cited

The KMOS Cluster Survey (KCS) II - The Effect of Environment on the Structural Properties of Massive Cluster Galaxies at Redshift

Jeffrey C. C. Chan, Alessandra Beifiori, Roberto P. Saglia +12

We present results on the structural properties of massive passive galaxies in three clusters at from the KMOS Cluster Survey. We measure light-weighted and mass-weig…

astro-ph.GA2018★ 26 cited

Kron 3: a fourth intermediate age cluster in the SMC with evidence of multiple populations

K. Hollyhead, C. Lardo, N. Kacharov +6

We present the results of a spectroscopic study of the intermediate age (approximately 6.5 Gyr) massive cluster Kron 3 in the Small Magellanic Cloud. We measure CN and CH band stre…

astro-ph.GA2018★ 40 cited

The dependence of galaxy clustering on stellar mass, star-formation rate and redshift at z = 0.8-2.2, with HiZELS

R. K. Cochrane, P. N. Best, D. Sobral +3

The deep, near-infrared narrow-band survey HiZELS has yielded robust samples of H-alpha emitting star-forming galaxies within narrow redshift slices at z = 0.8, 1.47 and 2.23. In t…

astro-ph.GA2018★ 24 cited

Quenching or Bursting: the Role of Stellar Mass, Environment, and Specific Star Formation Rate to 1

Behnam Darvish, Christopher Martin, Thiago S. Gonçalves +3

Using a novel approach, we study the quenching and bursting of galaxies as a function of stellar mass (), local environment (), and specific star-formation rate (sSFR) us…