WALLABY pilot survey: the potential polar ring galaxies NGC 4632 and NGC 6156

N Deg, R Palleske, K Spekkens, J Wang… - Monthly Notices of …, 2023 - academic.oup.com
We report on the discovery of two potential polar ring galaxies (PRGs) in the WALLABY Pilot
Data Release 1 (PDR1). These untargeted detections, cross-matched to NGC 4632 and …

Census of gaseous satellites around local spiral galaxies

J Zhu, ME Putman - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
We present a search for gas-containing dwarf galaxies as satellite systems around nearby
spiral galaxies using 21 cm neutral hydrogen (H i) data from the Arecibo Legacy Fast ALFA …

SAMI-H i: The H i view of the Hα Tully–Fisher relation and data release

B Catinella, L Cortese, AL Tiley… - Monthly Notices of …, 2023 - academic.oup.com
We present SAMI-H i, 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 …

WALLABY Pilot Survey: H i in the Host Galaxy of a Fast Radio Burst

M Glowacki, K Lee-Waddell, AT Deller… - The Astrophysical …, 2023 - iopscience.iop.org
We report on the commensal ASKAP detection of a fast radio burst (FRB), FRB 20211127I,
and the detection of neutral hydrogen (H i) emission in the FRB host galaxy, WALLABY …

H i galaxy signatures in the SARAO MeerKAT Galactic Plane Survey – I. Probing the richness of the great attractor wall across the inner zone of avoidance

N Steyn, RC Kraan-Korteweg… - Monthly Notices of …, 2024 - academic.oup.com
This paper presents the first H i results extracted from the South African Radio Astronomy
Observatory (SARAO) MeerKAT Galactic Plane Survey (SMGPS)–a narrow strip (Δ b∼ 3°) …

Measuring galaxy asymmetries in 3D

N Deg, M Perron-Cormier, K Spekkens… - Monthly Notices of …, 2023 - academic.oup.com
One of the commonly used non-parametric morphometric statistics for galaxy profiles and
images is the asymmetry statistic. With an eye to current and upcoming large neutral …

SAMI-H i: the connection between global asymmetry in the ionized and neutral atomic hydrogen gas in galaxies

AB Watts, L Cortese, B Catinella… - Monthly Notices of …, 2023 - academic.oup.com
Observations of the neutral atomic hydrogen () gas in galaxies are predominantly spatially
unresolved, in the form of a global spectral line. There has been substantial work on …

WALLABY pre-pilot and pilot survey: The Tully Fisher relation in Eridanus, Hydra, Norma, and NGC4636 fields

HM Courtois, K Said, J Mould, TH Jarrett… - Monthly Notices of …, 2023 - academic.oup.com
The WALLABY pilot survey has been conducted using the Australian SKA Pathfinder
(ASKAP). The integrated 21-cm H i line spectra are formed in a very different manner …

An improved Tully–Fisher estimate of H0

P Boubel, M Colless, K Said… - Monthly Notices of the …, 2024 - academic.oup.com
We propose an improved comprehensive method for determining the Hubble constant ()
using the Tully–Fisher relation. By fitting a peculiar velocity model in conjunction with the …

WALLABY pilot survey: an 'almost'dark cloud near the Hydra cluster

T O'Beirne, L Staveley-Smith, OI Wong… - Monthly Notices of …, 2024 - academic.oup.com
We explore the properties of an 'almost'dark cloud of neutral hydrogen (H i) using data from
the Widefield ASKAP L-band Legacy All-sky Survey (WALLABY). Until recently, WALLABY …