230 citations · 921 across the 29 of their papers we have counts for
26 papers · 1 filter
WALLABY Pilot Survey: Characterizing Low Rotation Kinematically Modelled Galaxies
N. Deg, K. Spekkens, N. Arora +20
Many of the tensions in cosmological models of the Universe lie in the low mass, low velocity regime. Probing this regime requires a statistically significant sample of galaxies wi…
WALLABY pilot survey: Spatially resolved gas scaling relations within the stellar discs of nearby galaxies
Seona Lee, Barbara Catinella, Tobias Westmeier +13
The scatter in global atomic hydrogen (HI) scaling relations is partly attributed to differences in how HI and stellar properties are measured, with HI reservoirs typically extendi…
WALLABY Pilot Survey & ASymba: Comparing HI Detection Asymmetries to the SIMBA Simulation
Mathieu Perron-Cormier, Nathan Deg, Kristine Spekkens +15
An avenue for understanding cosmological galaxy formation is to compare morphometric parameters in observations and simulations of galaxy assembly. In this second paper of the ASym…
WALLABY Pilot Survey: Gas-Rich Galaxy Scaling Relations from Marginally-Resolved Kinematic Models
N. Deg, N. Arora, K. Spekkens +21
We present the first set of galaxy scaling relations derived from kinematic models of the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) pilot phase observations. Com…
WALLABY Pilot Survey: the Potential Polar Ring Galaxies NGC~4632 and NGC~6156
N. Deg, R. Palleske, K. Spekkens +24
We report on the discovery of two potential polar ring galaxies (PRGs) in the WALLABY Pilot Data Release 1 (PDR1). These untargetted detections, cross-matched to NGC 4632 and NGC 6…
WALLABY Pilot Survey: The diversity of HI structural parameters in nearby galaxies
T. N. Reynolds, B. Catinella, L. Cortese +22
We investigate the diversity in the sizes and average surface densities of the neutral atomic hydrogen (HI) gas discs in ~280 nearby galaxies detected by the Widefield ASKAP L-band…
FAST-ASKAP Synergy: Quantifying Coexistent Tidal and Ram Pressure Strippings in the NGC 4636 Group
Xuchen Lin, Jing Wang, Virginia Kilborn +27
Combining new HI data from a synergetic survey of ASKAP WALLABY and FAST with the ALFALFA data, we study the effect of ram pressure and tidal interactions in the NGC 4636 group. We…
WALLABY Pilot Survey: Hydra Cluster Galaxies UV and HI morphometrics
Benne W. Holwerda, Frank Bigiel, Albert Bosma +16
Galaxy morphology in atomic hydrogen (HI) and in the ultra-violet (UV) are closely linked. This has motivated their combined use to quantify morphology over the full H i disk for b…
WALLABY Pilot Survey: HI gas kinematics of galaxy pairs in cluster environment
Shin-Jeong Kim, Se-Heon Oh, Jing Wang +22
We examine the HI gas kinematics of galaxy pairs in two clusters and a group using Australian Square Kilometre Array Pathfinder (ASKAP) WALLABY pilot survey observations. We compar…
WALLABY Pilot Survey: Public release of HI kinematic models for more than 100 galaxies from phase 1 of ASKAP pilot observations
N. Deg, K. Spekkens, T. Westmeier +29
We present the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) Pilot Phase I HI kinematic models. This first data release consists of HI observations of three fields i…
WALLABY Pilot Survey: Public release of HI data for almost 600 galaxies from phase 1 of ASKAP pilot observations
T. Westmeier, N. Deg, K. Spekkens +49
We present WALLABY pilot data release 1, the first public release of HI pilot survey data from the Wide-field ASKAP L-band Legacy All-sky Blind Survey (WALLABY) on the Australian S…
ALMA/ACA CO Survey of the IC 1459 and NGC 4636 Groups: Environmental Effects on the Molecular Gas of Group Galaxies
Bumhyun Lee, Jing Wang, Aeree Chung +30
We present new results of a 12CO(J=1-0) imaging survey using the Atacama Compact Array (ACA) for 31 HI detected galaxies in the IC 1459 and NGC 4636 groups. This is the first CO im…
WALLABY Pre-Pilot Survey: The effects of tidal interaction on radial distribution of color in galaxies of the Eridanus supergroup
Shun Wang, Jing Wang, Bi-Qing For +21
We study the tidal interaction of galaxies in the Eridanus supergroup, using HI data from the pre-pilot survey of WALLABY (Widefield ASKAP L-band Legacy All-sky Blind surveY). We o…
WALLABY Pre-Pilot Survey: The effects of angular momentum and environment on the HI gas and star formation properties of galaxies in the Eridanus supergroup
C. Murugeshan, V. A. Kilborn, B. -Q. For +17
We use high-resolution ASKAP observations of galaxies in the Eridanus supergroup to study their HI, angular momentum and star formation properties, as part of the WALLABY pre-pilot…
WALLABY pre-pilot survey: Two dark clouds in the vicinity of NGC 1395
O. Ivy Wong, A. R. H. Stevens, B. -Q. For +34
We present the Australian Square Kilometre Array Pathfinder (ASKAP) WALLABY pre-pilot observations of two `dark' HI sources (with HI masses of a few times 10^8 Msol and no known st…
WALLABY Pre-Pilot Survey: HI Content of the Eridanus Supergroup
Bi-Qing For, J. Wang, T. Westmeier +19
We present observations of the Eridanus supergroup obtained with the Australian Square Kilometre Array Pathfinder (ASKAP) as part of the pre-pilot survey for the Widefield ASKAP L-…
WALLABY Pilot Survey: First Look at the Hydra I Cluster and Ram Pressure Stripping of ESO 501-G075
T. N. Reynolds, T. Westmeier, A. Elagali +17
We present results from neutral atomic hydrogen (HI) observations of Hydra I, the first cluster observed by the Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) on the…
WALLABY Pilot Survey: the diversity of ram pressure stripping of the galactic HI gas in the Hydra Cluster
Jing Wang, Lister Staveley-Smith, Tobias Westmeier +26
This study uses HI image data from the WALLABY pilot survey with the ASKAP telescope, covering the Hydra cluster out to 2.5. We present the projected phase-space distribut…
A giant galaxy in the young Universe with a massive ring
Tiantian Yuan, Ahmed Elagali, Ivo Labbe +12
In the local (redshift z~0) Universe, collisional ring galaxies make up only ~0.01% of galaxies and are formed by head-on galactic collisions that trigger radially propagating dens…
WALLABY -- An SKA Pathfinder HI Survey
B. S. Koribalski, L. Staveley-Smith, T. Westmeier +67
The Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) is a next-generation survey of neutral hydrogen (HI) in the Local Universe. It uses the widefield, high-resolution…
WALLABY Early Science -- IV. ASKAP HI imaging of the nearby galaxy IC 5201
D. Kleiner, B. S. Koribalski, P. Serra +19
We present a Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) study of the nearby ( = 915 km s) spiral galaxy IC 5201 using the Australian Square K…
WALLABY Early Science - II. The NGC 7232 galaxy group
K. Lee-Waddell, B. S. Koribalski, T. Westmeier +19
We report on neutral hydrogen (HI) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKAP). These observations were conducted as part of th…
WALLABY Early Science - I. The NGC 7162 Galaxy Group
Tristan N. Reynolds, Tobias Westmeier, Lister Staveley-Smith +21
We present Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) early science results from the Australian Square Kilometre Array Pathfinder (ASKAP) observations of the NGC…
Ring Galaxies in the EAGLE Hydrodynamical Simulations
Ahmed Elagali, Claudia D. P. Lagos, O. Ivy Wong +5
We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L…