Heavy-element production in a compact object merger observed by JWST

AJ Levan, BP Gompertz, OS Salafia, M Bulla, E Burns… - Nature, 2024 - nature.com
The mergers of binary compact objects such as neutron stars and black holes are of central
interest to several areas of astrophysics, including as the progenitors of gamma-ray bursts …

A very luminous jet from the disruption of a star by a massive black hole

I Andreoni, MW Coughlin, DA Perley, Y Yao, W Lu… - Nature, 2022 - nature.com
Tidal disruption events (TDEs) are bursts of electromagnetic energy that are released when
supermassive black holes at the centres of galaxies violently disrupt a star that passes too …

X-ray eruptions every 22 days from the nucleus of a nearby galaxy

M Guolo, DR Pasham, M Zajaček, ER Coughlin… - Nature …, 2024 - nature.com
Galactic nuclei showing recurrent phases of activity and quiescence have recently been
discovered. Some have recurrence times as short as a few hours to a day and are known as …

Tormund's return: Hints of quasi-periodic eruption features from a recent optical tidal disruption event

E Quintin, NA Webb, S Guillot, G Miniutti… - Astronomy & …, 2023 - aanda.org
Context. Quasi-periodic eruptions (QPEs) are repeating thermal X-ray bursts associated with
accreting massive black holes, the precise underlying physical mechanisms of which are still …

Science with a small two-band UV-photometry mission III: Active Galactic Nuclei and nuclear transients

M Zajaček, B Czerny, VK Jaiswal, M Štolc… - Space Science …, 2024 - Springer
In this review, the third one in the series focused on a small two-band UV-photometry
mission, we assess possibilities for a small UV two-band photometry mission in studying …

The Peak of the Fallback Rate from Tidal Disruption Events: Dependence on Stellar Type

A Bandopadhyay, J Fancher, A Athian… - The Astrophysical …, 2024 - iopscience.iop.org
A star completely destroyed in a tidal disruption event (TDE) ignites a luminous flare that is
powered by the fallback of tidally stripped debris to a supermassive black hole (SMBH) of …

Day-time-scale variability in the radio light curve of the Tidal Disruption Event AT2022cmc: confirmation of a highly relativistic outflow

L Rhodes, JS Bright, R Fender, I Sfaradi… - Monthly Notices of …, 2023 - academic.oup.com
Tidal disruption events (TDEs) are transient, multiwavelength events in which a star is ripped
apart by a supermassive black hole. Observations show that in a small fraction of TDEs, a …

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 …

Electromagnetic Cascade Emission from Neutrino-coincident Tidal Disruption Events

C Yuan, W Winter - The Astrophysical Journal, 2023 - iopscience.iop.org
The potential association between Tidal Disruption Events and high-energy astrophysical
neutrinos implies the acceleration of cosmic rays. These accelerated particles will initiate …

A Systematic Analysis of the X-Ray Emission in Optically Selected Tidal Disruption Events: Observational Evidence for the Unification of the Optically and X-Ray …

M Guolo, S Gezari, Y Yao, S van Velzen… - The Astrophysical …, 2024 - iopscience.iop.org
We present a systematic analysis of the X-ray emission of a sample of 17 optically selected,
X-ray-detected tidal disruption events (TDEs) discovered between 2014 and 2021. The X …