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20062026
most citedGalaxy and Mass Assembly (GAMA): survey diagnostics and core data release

1.1k citations · 20.7k across the 326 of their papers we have counts for

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Showing 2024 · astro-ph.GAShow all

21 papers · 2 filters

astro-ph.GA2024★ 5 cited

Cosmic Stillness: High Quiescent Galaxy Fractions Across Upper Mass Scales in the Early Universe to z = 7 with JWST

Tobias A. Russell, Neva Dobric, Nathan J. Adams +25

We present a detailed investigation into the abundance and morphology of high redshift quenched galaxies at using James Webb Space Telescope data in the NEP, CEERS and…

astro-ph.GA2024★ 1 cited

EPOCHS XI: The Structure and Morphology of Galaxies in the Epoch of Reionization to z ~ 12.5

Lewi Westcott, Christopher J. Conselice, Thomas Harvey +29

We present a structural analysis of 521 galaxy candidates at 6.5 < z < 12.5, with in the F444W filter, taken from the EPOCHS v1 sample, consisting of uniformly reduced…

astro-ph.GA2024★ 14 cited

Detecting clusters and groups of galaxies populating the local Universe in large optical spectroscopic surveys

I. Marini, P. Popesso, K. Dolag +13

Wide-field cosmological surveys provide hundreds of thousands of spectroscopically confirmed galaxy groups and clusters, valuable for tracing baryonic matter distribution. However,…

astro-ph.GA2024★ 8 cited

Galaxy Mergers in the Epoch of Reionization II: Major Merger-Triggered Star Formation and AGN Activities at 4.5-8.5

Qiao Duan, Qiong Li, Christopher J. Conselice +29

Galaxy mergers are a key driver of galaxy formation and evolution, including the triggering of AGN and star formation to a still unknown degree. We thus investigate the impact of g…

astro-ph.GA2024★ 1 cited

ProGeny II: the impact of libraries and model configurations on inferred galaxy properties in SED fitting

Sabine Bellstedt, Aaron S. G. Robotham

We use a volume-complete sample of ~8,000 galaxies from the GAMA survey to characterise the impact of stellar population libraries (SPLs) and model configurations on the resulting…

astro-ph.GA2024★ 2 cited

ProGeny I: a new simple stellar population spectra generator and impact of isochrones / stellar atmospheres / initial mass functions

A. S. G. Robotham, S. Bellstedt

In this work we introduce ProGeny, a new stellar population library (SPL) software package written in R. This release encapsulates the core software (github.com/asgr/ProGeny) to ge…

astro-ph.GA2024

The diverse star formation histories of early massive, quenched galaxies in modern galaxy formation simulations

Claudia del P. Lagos, Francesco Valentino, Ruby J. Wright +13

We present a comprehensive study of the star formation histories of massive-quenched galaxies at in 3 semi-analytic models (SHARK, GAEA, GALFORM) and 3 cosmological hydrodyna…

astro-ph.GA2024★ 6 cited

EPOCHS I. The Discovery and Star Forming Properties of Galaxies in the Epoch of Reionization at with PEARLS and Public JWST data

Christopher J. Conselice, Nathan Adams, Thomas Harvey +32

We present in this paper the discovery, properties, and a catalog of 1165 high redshift galaxies found in deep JWST NIRCam imaging from the GTO PEARLS survey combine…

astro-ph.GA2024★ 3 cited

The weak connection between the stellar haloes and merger histories of Milky Way-mass galaxies

Katy L. Proctor, Aaron D. Ludlow, Claudia del P. Lagos +1

Stellar haloes form through the disruption of satellite galaxies over time, making them a promising observable for constraining galaxy merger histories. We use a dynamical decompos…

astro-ph.GA2024★ 48 cited

Galaxy Mergers in the Epoch of Reionization I: A JWST Study of Pair Fractions, Merger Rates, and Stellar Mass Accretion Rates at

Qiao Duan, Christopher J. Conselice, Qiong Li +30

We present a full analysis of galaxy major merger pair fractions, merger rates, and mass accretion rates, thus uncovering the role of mergers in galaxy formation at the earliest pr…

astro-ph.GA2024★ 3 cited

Predicting the Non-Thermal Pressure in Galaxy Clusters

Andrew Sullivan, Stanislav Shabala, Chris Power +2

We investigate the relationship between a galaxy cluster's hydrostatic equilibrium state, the entropy profile, , of the intracluster gas, and the system's non-thermal pressure (…

astro-ph.GA2024★ 12 cited

Wide Area VISTA Extra-galactic Survey (WAVES): Unsupervised star-galaxy separation on the WAVES-Wide photometric input catalogue using UMAP and

Todd L. Cook, Behnood Bandi, Sam Philipsborn +13

Star-galaxy separation is a crucial step in creating target catalogues for extragalactic spectroscopic surveys. A classifier biased towards inclusivity risks including spurious sta…

astro-ph.GA2024

JWST view of four infant galaxies at z=8.31-8.49 in the MACS0416 field and implications for reionization

Zhiyuan Ma, Bangzheng Sun, Cheng Cheng +34

New JWST/NIRCam wide-field slitless spectroscopy provides redshifts for four z>8 galaxies located behind the lensing cluster MACS J0416.1-2403. Two of them, "Y1" and "JD", have pre…

astro-ph.GA2024★ 17 cited

JWST's PEARLS: resolved study of the stellar and dust components in starburst galaxies at cosmic noon

M. Polletta, B. L. Frye, N. Garuda +35

Dusty star-forming galaxies (DSFGs) contribute significantly to the stellar buildup at cosmic noon. Major mergers and gas accretion are often invoked to explain DSFGs' prodigious s…

astro-ph.GA2024

DEVILS/MIGHTEE/GAMA/DINGO: The Impact of SFR Timescales on the SFR-Radio Luminosity Correlation

Robin H. W. Cook, Luke J. M. Davies, Jonghwan Rhee +20

The tight relationship between infrared luminosity (L) and 1.4 GHz radio continuum luminosity (L) has proven useful for understanding star formatio…

astro-ph.GA2024★ 10 cited

EPOCHS III: Unbiased UV continuum slopes at 6.5<z<13 from combined PEARLS GTO and public JWST NIRCam imaging

Duncan Austin, Christopher J. Conselice, Nathan J. Adams +34

We present an analysis of rest-frame UV continuum slopes, , using a sample of 1011 galaxies at from the EPOCHS photometric sample collated from the GTO PEARLS and pub…

astro-ph.GA2024

Birds of a Feather: Resolving Stellar Mass Assembly With JWST/NIRCam in a Pair of Kindred Dusty Star-forming Galaxies Lensed by the PLCK G165.7+67.0 Cluster

Patrick S. Kamieneski, Brenda L. Frye, Rogier A. Windhorst +38

We present a new parametric lens model for the G165.7+67.0 galaxy cluster, which was discovered with through its bright submillimeter flux, originating from a pair of extr…

astro-ph.GA2024★ 2 cited

PEARLS: Discovery of Point-Source Features Within Galaxies in the North Ecliptic Pole Time Domain Field

Rafael Ortiz, Rogier A. Windhorst, Seth H. Cohen +36

The first public 0.9-4.4μm NIRCam images of the North Ecliptic Pole (NEP) Time Domain Field (TDF) uncovered galaxies displaying point-source features in their cores as seen in the…

astro-ph.GA2024★ 2 cited

Predicting the Scaling Relations between the Dark Matter Halo Mass and Observables from Generalised Profiles II: Intracluster Gas Emission

Andrew Sullivan, Chris Power, Connor Bottrell +2

We investigate the connection between a cluster's structural configuration and observable measures of its gas emission that can be obtained in X-ray and Sunyaev-Zeldovich (SZ) surv…

astro-ph.GA2024

EMU/GAMA: A Technique for Detecting Active Galactic Nuclei in Low Mass Systems

Jahang Prathap, Andrew M. Hopkins, Aaron S. G. Robotham +17

We propose a new method for identifying active galactic nuclei (AGN) in low mass () galaxies. This method relies on spectral energy distribution (SED) fi…

astro-ph.GA2024

TREASUREHUNT: Transients and Variability Discovered with HST in the JWST North Ecliptic Pole Time Domain Field

Rosalia O'Brien, Rolf A. Jansen, Norman A. Grogin +56

The JWST North Ecliptic Pole (NEP) Time Domain Field (TDF) is a 14 arcmin diameter field optimized for multi-wavelength time-domain science with JWST. It has been observed acros…