A mildly relativistic outflow launched two years after disruption in tidal disruption event AT2018hyz

Y Cendes, E Berger, KD Alexander… - The Astrophysical …, 2022 - iopscience.iop.org
We present late-time radio/millimeter (as well as optical/UV and X-ray) detections of tidal
disruption event (TDE) AT2018hyz, spanning 970–1300 d after optical discovery. In …

A Unified Theory of Jetted Tidal Disruption Events: From Promptly Escaping Relativistic to Delayed Transrelativistic Jets

O Teboul, BD Metzger - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Only a tiny fraction∼ 1% of stellar tidal disruption events (TDEs) generate powerful
relativistic jets evidenced by luminous hard X-ray and radio emissions. We propose that a …

The Rapid ASKAP Continuum Survey IV: continuum imaging at 1367.5 MHz and the first data release of RACS-mid

SW Duchesne, AJM Thomson, J Pritchard… - Publications of the …, 2023 - cambridge.org
The Australian SKA Pathfinder (ASKAP) is being used to undertake a campaign to rapidly
survey the sky in three frequency bands across its operational spectral range. The first pass …

Ubiquitous Late Radio Emission from Tidal Disruption Events

Y Cendes, E Berger, KD Alexander… - The Astrophysical …, 2024 - iopscience.iop.org
We present radio observations of 23 optically discovered tidal disruption events (TDEs) on
timescales of∼ 500–3200 days postdiscovery. We detect nine new TDEs that did not have …

An off-axis relativistic jet seen in the long lasting delayed radio flare of the TDE AT 2018hyz

I Sfaradi, P Beniamini, A Horesh, T Piran… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT The Tidal Disruption Event (TDE) AT 2018hyz exhibited a delayed radio flare
almost three years after the stellar disruption. Here, we report new radio observations of the …

Radio variable and transient sources on minute time-scales in the ASKAP pilot surveys

Y Wang, T Murphy, E Lenc, L Mercorelli… - Monthly Notices of …, 2023 - academic.oup.com
We present results from a radio survey for variable and transient sources on 15-min time-
scales, using the Australian SKA Pathfinder (ASKAP) pilot surveys. The pilot surveys consist …

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 pilot ASKAP survey for radio transients towards the Galactic Centre

Z Wang, T Murphy, DL Kaplan… - Monthly Notices of …, 2022 - academic.oup.com
We present the results of a radio transient and polarization survey towards the Galactic
Centre, conducted as part of the Australian Square Kilometre Array Pathfinder Variables and …

Radio transients and variables in the tenth Deeper, Wider, Faster observing run

D Dobie, J Pritchard, Y Wang… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT The Deeper, Wider, Faster (DWF) program coordinates observations with
telescopes across the electromagnetic spectrum, searching for transients on time-scales of …