Modelling kilonova afterglows: Effects of the thermal electron population and interaction with GRB outflows

V Nedora, T Dietrich, M Shibata, M Pohl… - Monthly Notices of …, 2023 - academic.oup.com
Given an increasing number of gamma-ray bursts accompanied by potential kilonovae,
there is a growing importance to advance modelling of kilonova afterglows. In this work, we …

A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder

D Dobie, A Stewart, K Hotokezaka… - Monthly Notices of …, 2022 - academic.oup.com
We present results from a search for the radio counterpart to the possible neutron star–black
hole merger GW190814 with the Australian Square Kilometre Array Pathfinder. We have …

The Rapid ASKAP Continuum Survey V: Cataloguing the sky at 1 367.5 MHz and the second data release of RACS-mid

SW Duchesne, JA Grundy, GH Heald… - Publications of the …, 2024 - cambridge.org
The Australian SKA Pathfinder (ASKAP) has surveyed the sky at multiple frequencies as part
of the Rapid ASKAP Continuum Survey (RACS). The first two RACS observing epochs, at …

A matched-filter approach to radio variability and transients: searching for orphan afterglows in the VAST Pilot Survey

JK Leung, T Murphy, E Lenc… - Monthly Notices of …, 2023 - academic.oup.com
Radio transient searches using traditional variability metrics struggle to recover sources
whose evolution time-scale is significantly longer than the survey cadence. Motivated by the …

GRB 171205A: Hypernova and Newborn Neutron Star

Y Wang, LM Becerra, CL Fryer, JA Rueda… - The Astrophysical …, 2023 - iopscience.iop.org
GRB 171205A is a low-luminosity, long-duration gamma-ray burst (GRB) associated with SN
2017iuk, a broad-line type Ic supernova (SN). It is consistent with having been formed in the …

Extragalactic millimeter transients in the era of next-generation CMB surveys

T Eftekhari, E Berger, BD Metzger… - The Astrophysical …, 2022 - iopscience.iop.org
The next generation of wide-field cosmic microwave background (CMB) surveys are
uniquely poised to open a new window into time-domain astronomy in the millimeter band …

The host of GRB 171205A in 3D-A resolved multiwavelength study of a rare grand-design spiral GRB host

CC Thöne, A de Ugarte Postigo, L Izzo… - Astronomy & …, 2024 - aanda.org
Long GRB hosts at z< 1 are usually low-mass, low-metallicity star-forming galaxies. Here we
present the most detailed, spatially resolved study of the host of GRB 171205A so far, a …

Searching for Radio Transients with Inverted Spectra in Epoch 1 of VLASS and VCSS, and Identification of a Sample of Candidate Relativistic Nuclear Transients

Y Chen, BM Gaensler, T Clarke, W Peters… - arXiv preprint arXiv …, 2024 - arxiv.org
For radio transients, an inverted spectrum (defined as $\alpha> 0$ for a power law spectrum
$ S_ {\nu}\propto\nu^{\alpha} $) constrains physical properties, which in principle can be a …

Late-time supernovae radio re-brightening in the VAST pilot survey

K Rose, A Horesh, T Murphy, DL Kaplan… - Monthly Notices of …, 2024 - academic.oup.com
We present our analysis of supernovae serendipitously found to be radio-bright several
years after their optical discovery. We used recent observations from the Australian SKA …

Multiwavelength Analysis of the Supernova-associated Low-luminosity GRB 171205A

XJ Li, ZB Zhang, YF Huang, F Xu - The Astrophysical Journal, 2024 - iopscience.iop.org
Multiwavelength properties of the nearby supernova (SN)-associated low-luminosity GRB
171205A are investigated in depth to constrain its physical origin synthetically. The pulse …