output
19942026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2022 · astro-ph.GAShow all

37 papers · 2 filters

astro-ph.GA2022★ 5 cited

SAMI-HI: the connection between global asymmetry in the ionised and neutral atomic hydrogen gas in galaxies

Adam B. Watts, Luca Cortese, Barbara Catinella +7

Observations of the neutral atomic hydrogen (HI) gas in galaxies are predominantly spatially unresolved, in the form of a global HI spectral line. There has been substantial work o…

astro-ph.GA2022★ 10 cited

SAMI-HI: The HI view of the H Tully-Fisher relation and data release

Barbara Catinella, Luca Cortese, Alfred L. Tiley +15

We present SAMI-HI, a survey of the atomic hydrogen content of 296 galaxies with integral field spectroscopy available from the SAMI Galaxy Survey. The sample spans nearly 4 dex in…

astro-ph.GA2022★ 31 cited

Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II

Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil +65

The ultra-faint dwarf galaxy Reticulum II (Ret II) exhibits a unique chemical evolution history, with 72 +10/-12% of its stars strongly enhanced in r-process elements. We present d…

astro-ph.GA2022★ 4 cited

A Search for Missing Radio Sources at Using Lyman Dropouts

Devika Shobhana, Ray P. Norris, Miroslav D. Filipović +5

Using the Lyman Dropout technique, we identify 148 candidate radio sources at from the 887.5 MHz Australian Square Kilometer Array Pathfinder (ASKAP) observations…

astro-ph.GA2022★ 33 cited

Dissecting the interstellar medium of a z=6.3 galaxy: X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

A. Saccardi, S. D. Vergani, A. De Cia +35

The study of the properties of galaxies in the first billion years after the Big Bang is one of the major topic of current astrophysics. Optical/near-infrared spectroscopy of the a…

astro-ph.GA2022★ 30 cited

Deep Investigation of Neutral Gas Origins (DINGO): HI stacking experiments with early science data

Jonghwan Rhee, Martin Meyer, Attila Popping +19

We present early science results from Deep Investigation of Neutral Gas Origins (DINGO), an HI survey using the Australian Square Kilometre Array Pathfinder (ASKAP). Using ASKAP su…

astro-ph.GA2022★ 32 cited

The SAMI Galaxy Survey: Physical drivers of stellar-gas kinematic misalignments in the nearby Universe

A. Ristea, L. Cortese, A. Fraser-McKelvie +10

Misalignments between the rotation axis of stars and gas are an indication of external processes shaping galaxies throughout their evolution. Using observations of 3068 galaxies fr…

astro-ph.GA2022★ 19 cited

Identification of Galaxy-Galaxy Strong Lens Candidates in the DECam Local Volume Exploration Survey Using Machine Learning

E. A. Zaborowski, A. Drlica-Wagner, F. Ashmead +88

We perform a search for galaxy-galaxy strong lens systems using a convolutional neural network (CNN) applied to imaging data from the first public data release of the DECam Local V…

astro-ph.GA2022★ 6 cited

Stellar Populations in type Ia supernova host galaxies at intermediate-high redshift: Star formation and metallicity enrichment histories

I. Millan-Irigoyen, M. G. del Valle-Espinosa, R. Fernández-Aranda +5

We present a summary of our project that studies galaxies hosting type Ia supernova (SN Ia) at different redshifts. We present Gran Telescopio de Canarias (GTC) optical spectroscop…

astro-ph.GA2022★ 26 cited

Characterising the Intracluster Light over the Redshift Range in the DES-ACT Overlap

Jesse B. Golden-Marx, Y. Zhang, R. L. C. Ogando +66

We characterise the properties and evolution of Bright Central Galaxies (BCGs) and the surrounding intracluster light (ICL) in galaxy clusters identified in overlapping regions of…

astro-ph.GA2022★ 11 cited

Lessons Learned from the Two Largest Galaxy Morphological Classification Catalogues built by Convolutional Neural Networks

Ting-Yun Cheng, H. Domínguez Sánchez, J. Vega-Ferrero +54

We compare the two largest galaxy morphology catalogues, which separate early and late type galaxies at intermediate redshift. The two catalogues were built by applying supervised…

astro-ph.GA2022★ 10 cited

The SAMI Galaxy Survey: Using concentrated star-formation and stellar population ages to understand environmental quenching

Di Wang, Scott M. Croom, Julia J. Bryant +16

We study environmental quenching using the spatial distribution of current star-formation and stellar population ages with the full SAMI Galaxy Survey. By using a star-formation co…

astro-ph.GA2022★ 24 cited

Discovery of Peculiar Radio Morphologies with ASKAP using Unsupervised Machine Learning

Nikhel Gupta, Minh Huynh, Ray P. Norris +5

We present a set of peculiar radio sources detected using an unsupervised machine learning method. We use data from the Australian Square Kilometre Array Pathfinder (ASKAP) telesco…

astro-ph.GA2022★ 28 cited

Galaxy And Mass Assembly (GAMA): Bulge-disk decomposition of KiDS data in the nearby universe

Sarah Casura, Jochen Liske, Aaron S. G. Robotham +10

We derive single Sérsic fits and bulge-disk decompositions for 13096 galaxies at redshifts z < 0.08 in the GAMA II equatorial survey regions in the Kilo-Degree Survey (KiDS) g, r a…

astro-ph.GA2022★ 26 cited

The SAMI galaxy survey: galaxy size can explain the offset between star-forming and passive galaxies in the mass-metallicity relationship

Sam P. Vaughan, Tania M. Barone, Scott M. Croom +14

In this work, we investigate how the central stellar metallicity ([Z/H]) of 1363 galaxies from the SAMI galaxy survey is related to their stellar mass and a proxy for the gravitati…

astro-ph.GA2022★ 11 cited

Galaxy And Mass Assembly: Galaxy Zoo spiral arms and star formation rates

R. Porter-Temple, B. W. Holwerda, A. M. Hopkins +6

Understanding the effect spiral structure has on star formation properties of galaxies is important to completing our picture of spiral structure evolution. Previous studies have i…

astro-ph.GA2022★ 9 cited

Connecting MeerKAT radio continuum properties to GAMA optical emission-line and WISE mid-infrared activity

H. F. M. Yao, M. E. Cluver, T. H. Jarrett +10

The identification of AGN in large surveys has been hampered by seemingly discordant classifications arising from differing diagnostic methods, usually tracing distinct processes s…

astro-ph.GA2022★ 14 cited

Ageing and Quenching through the ageing diagram: predictions from simulations and observational constraints

Pablo Corcho-Caballero, Yago Ascasibar, Sebastián F. Sánchez +1

We study recent changes on the star formation history (SFH) of galaxies by means of the ageing diagram (AD), tracing the fraction of stars formed during the last Myr thro…

astro-ph.GA2022

OzDES Reverberation Mapping Program: Mg II Lags and R-L relation

Zhefu Yu, Paul Martini, A. Penton +55

The correlation between the broad line region radius and continuum luminosity ( relation) of active galactic nuclei (AGN) is critical for single-epoch mass estimates of superm…

astro-ph.GA2022★ 38 cited

Radio fossils, relics, and haloes in Abell 3266: cluster archaeology with ASKAP-EMU and the ATCA

C. J. Riseley, E. Bonnassieux, T. Vernstrom +21

Abell 3266 is a massive and complex merging galaxy cluster that exhibits significant substructure. We present new, highly sensitive radio continuum observations of Abell 3266 perfo…

astro-ph.GA2022★ 9 cited

The VMC Survey -- XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds

Clara M. Pennock, Jacco Th. van Loon, Joy O. Anih +14

Following the discovery of SAGE0536AGN ( 0.14), with the strongest 10-m silicate emission ever observed for an Active Galactic Nucleus (AGN), we discovered SAGE0534AGN (…

astro-ph.GA2022★ 3 cited

The SAMI Galaxy Survey: The relationship between galaxy rotation and the motion of neighbours

Yifan Mai, Sam P. Vaughan, Scott M. Croom +12

Using data from the SAMI Galaxy Survey, we investigate the correlation between the projected stellar kinematic spin vector of 1397 SAMI galaxies and the line-of-sight motion of the…

astro-ph.GA2022

Low star-formation activity and low gas content of quiescent galaxies at 3.5-4.0 constrained with ALMA

Tomoko L. Suzuki, Karl Glazebrook, Corentin Schreiber +10

The discovery in deep near-infrared surveys of a population of massive quiescent galaxies at has given rise to the question of how they came to be quenched so early in the hi…

astro-ph.GA2022★ 10 cited

The physical connection between central stellar surface density and stellar spin in SAMI and MaNGA nearby galaxies

L. Cortese, A. Fraser-McKelvie, J. Woo +8

The stellar surface density within the inner 1 kpc () has become a popular tool for understanding the growth of galaxies and its connection with the quenching of star format…