The rebrightening of a ROSAT-selected tidal disruption event: repeated weak partial disruption flares from a quiescent galaxy?

A Malyali, Z Liu, A Rau, I Grotova… - Monthly Notices of …, 2023 - academic.oup.com
The ROSAT-selected tidal disruption event (TDE) candidate RX J133157. 6− 324319.7
(J1331) was detected in 1993 as a bright [0.2–2 keV flux of (1.0±0.1)× 10− 12 erg s− 1 cm …

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 …

Deciphering the extreme X-ray variability of the nuclear transient eRASSt J045650. 3− 203750-A likely repeating partial tidal disruption event

Z Liu, A Malyali, M Krumpe, D Homan… - Astronomy & …, 2023 - aanda.org
Context. During its all-sky survey, the extended ROentgen Survey with an Imaging
Telescope Array (eROSITA) on board the Spectrum-Roentgen-Gamma (SRG) observatory …

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 …

The Tidal Disruption Event AT2021ehb: Evidence of Relativistic Disk Reflection, and Rapid Evolution of the Disk–Corona System

Y Yao, W Lu, M Guolo, DR Pasham… - The Astrophysical …, 2022 - iopscience.iop.org
We present X-ray, UV, optical, and radio observations of the nearby (≈ 78 Mpc) tidal
disruption event AT2021ehb/ZTF21aanxhjv during its first 430 days of evolution. AT2021ehb …

AT 2020wey and the class of faint and fast tidal disruption events

P Charalampopoulos, M Pursiainen… - Astronomy & …, 2023 - aanda.org
We present an analysis of the optical and ultraviolet properties of AT 2020wey, a faint and
fast tidal disruption event (TDE) at 124.3 Mpc. The light curve of the object peaked at an …

eRASSt J074426. 3+ 291606: prompt accretion disc formation in a 'faint and slow'tidal disruption event

A Malyali, Z Liu, A Merloni, A Rau… - Monthly Notices of …, 2023 - academic.oup.com
We report on multiwavelength observations of the tidal disruption event (TDE) candidate
eRASSt J074426. 3+ 291606 (J0744), located in the nucleus of a previously quiescent …

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 …

A radio-emitting outflow produced by the tidal disruption event AT2020vwl

AJ Goodwin, KD Alexander… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT A tidal disruption event (TDE) occurs when a star is destroyed by a
supermassive black hole. Broad-band radio spectral observations of TDEs trace the …

A late-time radio flare following a possible transition in accretion state in the tidal disruption event AT 2019azh

I Sfaradi, A Horesh, R Fender, DA Green… - The Astrophysical …, 2022 - iopscience.iop.org
We report here radio follow-up observations of the optical tidal disruption event (TDE) AT
2019azh. Previously reported X-ray observations of this TDE showed variability at early …