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20 papers · 2 filters
The LEGA-C of nature and nurture in stellar populations of galaxies at z~0.6-1.0: D4000 and H-delta reveal different assembly histories for quiescent galaxies in different environments
David Sobral, Arjen van der Wel, Rachel Bezanson +11
Galaxy evolution is driven by a variety of physical processes which are predicted to proceed at different rates for different dark matter haloes and environments across cosmic time…
Diagnosing DASH: A Catalog of Structural Properties for the COSMOS-DASH Survey
Sam E. Cutler, Katherine E. Whitaker, Lamiya A. Mowla +16
We present the morphological catalogs for the COSMOS-DASH survey, the largest area near-IR survey using HST-WFC3 to date. Utilizing the "Drift And SHift" observing techni…
Satellite quenching was not important for z1 clusters: most quenching occurred during infall
S. V. Werner, N. A. Hatch, A. Muzzin +4
We quantify the relative importance of environmental quenching versus pre-processing in clusters by analysing the infalling galaxy population in the outskirts of 15 galaxy…
The MeerKAT Galaxy Cluster Legacy Survey I. Survey Overview and Highlights
K. Knowles, W. D. Cotton, L. Rudnick +148
MeerKAT's large number of antennas, spanning 8 km with a densely packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity over a wide range of an…
Finite Resolution Deconvolution of Multi-Wavelength Imaging of 20,000 Galaxies in the COSMOS Field: The Evolution of Clumpy Galaxies Over Cosmic Time
Visal Sok, Adam Muzzin, Pascale Jablonka +5
Compact star-forming clumps observed in distant galaxies are often suggested to play a crucial role in galaxy assembly. In this paper, we use a novel approach of applying finite re…
Spectroscopic Confirmation of a Protocluster at with a High Fraction of Quiescent Galaxies
Ian McConachie, Gillian Wilson, Ben Forrest +10
We report the discovery of MAGAZ3NE J095924+022537, a spectroscopically-confirmed protocluster at around a spectroscopically-confirmed -quiesc…
Ubiquitous [OII] Emission in Quiescent Galaxies at z ~ 0.85
Michael V. Maseda, Arjen van der Wel, Marijn Franx +12
Using deep rest-frame optical spectroscopy from the Large Early Galaxy Astrophysical Census (LEGA-C) survey, conducted using VIMOS on the ESO Very Large Telescope, we systematicall…
Towards precise galaxy evolution: a comparison between spectral indices of galaxies in the IllustrisTNG simulation and the LEGA-C survey
Po-Feng Wu, Dylan Nelson, Arjen van der Wel +13
We present the first comparison of observed stellar continuum spectra of high-redshift galaxies and mock galaxy spectra generated from hydrodynamical simulations. The mock spectra…
Introducing the FLAMINGOS-2 Split-K Medium Band Filters: The Impact on Photometric Selection of High-z Galaxies in the FENIKS-pilot survey
James Esdaile, Ivo Labbe, Karl Glazebrook +11
Deep near-infrared photometric surveys are efficient in identifying high-redshift galaxies, however they can be prone to systematic errors in photometric redshift. This is particul…
HST/WFC3 grism observations of clusters: Evidence for rapid outside-in environmental quenching from spatially resolved H maps
Jasleen Matharu, Adam Muzzin, Gabriel B. Brammer +12
We present and publicly release (https://www.gclasshst.com) the first spatially resolved H maps of star-forming cluster galaxies at , made possible with the Wide Field C…
The GOGREEN survey: Transition Galaxies and The Evolution of Environmental Quenching
Karen McNab, Michael L. Balogh, Remco F. J. van der Burg +25
We measure the rate of environmentally-driven star formation quenching in galaxies at , using eleven massive () galaxy clusters…
The GOGREEN survey: Dependence of galaxy properties on halo mass at z > 1 and implications for environmental quenching
Andrew M. M. Reeves, Michael L. Balogh, Remco F. J. van der Burg +18
We use photometric redshifts and statistical background subtraction to measure stellar mass functions in galaxy group-mass () haloes at $1<z<1.…
Ionospheric effects in VLBI measured with space-ground interferometer RadioAstron
M. V. Popov, N. Bartel, M. S. Burgin +2
We report on slow phase variations of the response of the space-ground radio interferometer RadioAstron during observations of pulsar B0329+54. The phase variations are due to the…
The LEGA-C and SAMI Galaxy Surveys: Quiescent Stellar Populations and the Mass-Size Plane across 6 Gyr
Tania M. Barone, Francesco D'Eugenio, Nicholas Scott +22
We investigate the change in mean stellar population age and metallicity ([Z/H]) scaling relations for quiescent galaxies from intermediate redshift () using th…
ZFIRE: The Beginning of the End for Massive Galaxies at z ~ 2 and Why Environment Matters
Anishya Harshan, Anshu Gupta, Kim-Vy Tran +6
We use ZFIRE and ZFOURGE observations with the Spectral Energy Distribution (SED) fitting tool Prospector to reconstruct the star formation histories (SFHs) of proto-cluster and fi…
Extending the evolution of the stellar mass-size relation at to low stellar mass galaxies from HFF and CANDELS
Kalina V. Nedkova, Boris Häußler, Danilo Marchesini +23
We reliably extend the stellar mass-size relation over to low stellar mass galaxies by combining the depth of Hubble Frontier Fields (HFF) with the large volume c…
The Fundamental Plane in the LEGA-C Survey: unraveling the variations of massive star-forming and quiescent galaxies at
Anna de Graaff, Rachel Bezanson, Marijn Franx +10
We explore the connection between the kinematics, structures and stellar populations of massive galaxies at using the Fundamental Plane (FP). Combining stellar kinemati…
A CO Survey of SpARCS Star-Forming Brightest Cluster Galaxies: Evidence for Uniformity in BCG Molecular Gas Processing Across Cosmic Time
Delaney A. Dunne, Tracy M. A. Webb, Allison Noble +5
We present ALMA CO (2-1) detections of 24 star-forming Brightest Cluster Galaxies (BCGs) over , constituting the largest and most distant sample of molecular gas measure…
SITELLE Hα Imaging Spectroscopy of z~0.25 Clusters: Emission Line Galaxy Detection and Ionized Gas Offset in Abell 2390 & Abell 2465
Qing Liu, Howard Yee, Laurent Drissen +9
Environmental effects are crucial to the understanding of the evolution of galaxies in dense environments, such as galaxy clusters. Using the large field-of-view of SITELLE, the un…
Low Surface Brightness Galaxies in z > 1 Galaxy Clusters: HST approaches the Progenitors of Local Ultra Diffuse Galaxies
Aisha Bachmann, Remco F. J. van der Burg, Jérémy Fensch +2
Ultra Diffuse Galaxies (UDGs), a type of large Low Surface Brightness (LSB) galaxies with particularly large effective radii (r_eff > 1.5 kpc), are now routinely studied in the loc…