60 citations · 169 across the 16 of their papers we have counts for
16 papers
Towards independent event horizon imaging of the supermassive black holes in M87 and the Milky Way
Nithyanandan Thyagarajan, Samuel Lai, Ivy Wong +1
The Event Horizon Telescope (EHT) Collaboration's images of the supermassive black holes in M87 and the Milky Way have provided the first event-horizon-scale views of these objects…
Estimating the local star formation rate density from ASKAP RACS
Sonja Panjkov, O. Ivy Wong., Rachel L. Webster
Understanding the evolution of the cosmic star formation rate density (SFRD) is key to uncovering how the Universe arrived at its present state. This paper presents a novel and eff…
Formation of globular cluster-rich ultra-diffuse galaxies through mergers
Truman Tapia, Hidenori Matsui, Kenji Bekki +6
We use high-resolution, idealized hydrodynamic simulations of gas-rich dwarf-galaxy mergers to test whether such encounters can form ultra-diffuse galaxies (UDGs) with globular clu…
BASS. LI. Cool gas supply of HI-massive local Seyfert galaxies
Jeein Kim, Aeree Chung, O. Ivy Wong +19
We present neutral atomic hydrogen (HI) imaging observations of 22 HI-rich (), hard X-ray-selected local Seyferts to explore how cool gas is su…
CosmoDRAGoN II: Remnant Radio Galaxies in Group and Cluster Environments
Georgia S. C. Stewart, Stanislav S. Shabala, Ross J. Turner +5
Radio galaxy remnants are a rare subset of the radio-loud active galactic nuclei (RLAGN) population, representing the quiescent phase in the RLAGN lifecycle. Despite their observed…
Very-Long Baseline Interferometry Imaging with Closure Invariants using Conditional Image Diffusion
Samuel Lai, Nithyanandan Thyagarajan, O. Ivy Wong +1
Image reconstruction in very-long baseline interferometry operates under severely sparse aperture coverage with calibration challenges from both the participating instruments and p…
MeerKAT HI observations of Low Surface Brightness/Ultradiffuse Galaxy Candidates Projected around Two Southern Loose Groups
Chandreyee Sengupta, Tom C. Scott, Hao Chen +9
A large catalogue of low surface brightness galaxies (LSBGs) from the Dark Energy Survey showed significant clustering around nearby galaxy groups and clusters. Using the HIPASS su…
BASS XLVII: 22 GHz Radio Atlas of Swift-BAT Selected AGN
Macon Magno, Krista L. Smith, O. Ivy Wong +16
We present the third phase of the largest high-frequency, high-resolution imaging survey of 231 nearby, hard X-ray selected AGN, with a very high detection fraction. T…
Deep Learning VLBI Image Reconstruction with Closure Invariants
Samuel Lai, Nithyanandan Thyagarajan, O. Ivy Wong +2
Interferometric closure invariants, constructed from triangular loops of mixed Fourier components, capture calibration-independent information on source morphology. While a complet…
xGASS: The scatter of the HI-halo mass relation of central galaxies
Manasvee Saraf, Luca Cortese, O. Ivy Wong +3
Empirical studies of the relationship between baryonic matter in galaxies and the gravitational potential of their host halos are important to constrain our theoretical framework f…
WALLABY Pilot Survey: An 'Almost' Dark Cloud near the Hydra Cluster
T. O'Beirne, L. Staveley-Smith, O. I. Wong +20
We explore the properties of an 'almost' dark cloud of neutral hydrogen (HI) using data from the Widefield ASKAP L-band Legacy All-sky Survey (WALLABY). Until recently, WALLABY J10…
Radio Galaxy Zoo: tagging radio subjects using text
Dawei Chen, Vinay Kerai, Matthew J. Alger +2
RadioTalk is a communication platform that enabled members of the Radio Galaxy Zoo (RGZ) citizen science project to engage in discussion threads and provide further descriptions of…
WALLABY Pre-Pilot Survey: Ultra-Diffuse Galaxies in the Eridanus Supergroup
B. -Q. For, K. Spekkens, L. Staveley-Smith +12
We present a pilot study of the atomic neutral hydrogen gas (HI) content of ultra-diffuse galaxy (UDG) candidates. In this paper, we use the pre-pilot Eridanus field data from the…
Limits on precursor and afterglow radio emission from a fast radio burst in a star-forming galaxy
Shivani Bhandari, Keith W. Bannister, Emil Lenc +17
We present a new fast radio burst (FRB) at 920 MHz discovered during commensal observations conducted with the Australian Square Kilometre Array Pathfinder (ASKAP) as part of the C…
A search for the host galaxy of FRB171020
Elizabeth K. Mahony, Ron D. Ekers, Jean-Pierre Macquart +11
We report on a search for the host galaxy of FRB171020, the fast radio burst with the smallest recorded dispersion measure (DM pc cm) of our on-ongoing ASKAP survey.…
The Local Volume HI Survey: star formation properties
Jing Wang, Baerbel S. Koribalski, Tom H. Jarrett +12
We built a multi-wavelength dataset for galaxies from the Local Volume HI Survey (LVHIS), which comprises 82 galaxies. We also select a sub-sample of ten large galaxies for investi…