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We present the optical and infrared properties of a sample of 24 radio transient sources discovered in the Very Large Array Sky Survey (VLASS). Previous studies of their radio emission showed that these sources resemble young…

High Energy Astrophysical Phenomena · Physics 2025-10-03 M. Kunert-Bajraszewska , D. Kozieł-Wierzbowska , D. Stern , A. Krauze , N. Zafar , T. Connor , M. J. Graham

Tidal disruption events (TDEs) occur when a star passes close enough to a galaxy's supermassive black hole to be disrupted by tidal forces. We discuss new observations of IGRJ12580+0134, a TDE observed in NGC 4845 (d=17 Mpc) in November…

High Energy Astrophysical Phenomena · Physics 2022-02-09 Eric S. Perlman , Eileen T. Meyer , Q. Daniel Wang , Qiang Yuan , Richard Henriksen , Judith Irwin , Jiangtao Li , Theresa Wiegert , Haochuan Li

At present, there is a lack of effective probes to distinguish between mid-infrared (MIR) outbursts induced by tidal disruption events (TDEs) and changing-look active galactic nuclei (CLAGNs) based on only MIR data. Here, we propose that…

High Energy Astrophysical Phenomena · Physics 2025-09-09 Yujun Yao , Jingjing Ye , Luming Sun , Ning Jiang , Megan Masterson , Xinwen Shu

A tidal disruption event (TDE) occurs when a star is destroyed by the strong tidal shear of a massive black hole (MBH). The accumulation of TDE observations over the last years has revealed that post-starburst galaxies are significantly…

Astrophysics of Galaxies · Physics 2022-02-15 Elisa Bortolas

Tidal disruption events (TDEs) occur when a star orbiting a massive black hole is sufficiently close to be tidally ripped apart by the black hole. AT 2022cmc is the first relativistic TDE that was observed (and discovered) as an optically…

High Energy Astrophysical Phenomena · Physics 2023-02-08 Aleksandar Cikota , Giorgos Leloudas , Mattia Bulla , Lixin Dai , Justyn Maund , Igor Andreoni

Observations of tidal disruption events (TDEs) on a timescale of years after the main flare show evidence of continued activity in the form of optical/UV emission, quasi-periodic eruptions, and delayed radio flares. Motivated by this, we…

High Energy Astrophysical Phenomena · Physics 2025-04-09 Anthony L. Piro , Brenna Mockler

We present the first sample of tidal disruption events (TDEs) discovered during the SRG all-sky survey. These 13 events were selected among X-ray transients detected in the 0<l<180 deg hemisphere by eROSITA during its second sky survey (10…

We analyze stellar tidal disruption events as a possible observational signature of gravitational wave induced recoil of supermassive black holes. As a black hole wanders through its galaxy, it will tidally disrupt bound and unbound stars…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Nicholas Stone , Abraham Loeb

Tidal disruption events (TDEs) may occur in supermassive black holes (SMBHs) surrounded by clouds. TDEs can generate ultrafast and large opening-angle outflow with a velocity of $\sim$ 0.01--0.2 c, which will collide with clouds with time…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Jiashi Chen , Wei Wang

Tidal disruption events (TDEs) occur when a star gets torn apart by a supermassive black hole as it crosses its tidal radius. We present late-time optical and X-ray observations of the nuclear transient AT2019qiz, which showed the typical…

The rate of observable tidal disruption events (TDEs) by the most massive black holes (BHs) is suppressed due to direct capture of stars by the event horizon. This suppression effect depends on the shape of the horizon and holds the promise…

Astrophysics of Galaxies · Physics 2023-11-15 Hao-Tse Huang , Wenbin Lu

Tidal disruption events (TDEs) take place when a star ventures too close to a supermassive black hole (SMBH) and becomes ruptured. One of the leading proposed physical mechanisms often invoked in the literature involves weak two-body…

Astrophysics of Galaxies · Physics 2023-06-16 Denyz Melchor , Brenna Mockler , Smadar Naoz , Sanaea Rose , Enrico Ramirez-Ruiz

Tidal disruption events (TDEs) occur when a star enters the tidal radius of a supermassive black hole (SMBH). If the star only grazes the tidal radius, a fraction of the stellar mass will be accreted in a partial TDE (pTDE). The remainder…

Tidal disruption events (TDEs) occur when a star passes too close to a supermassive black hole and is destroyed by tidal gravitational forces. Radio observations of TDEs trace synchrotron emission from outflowing material that may be…

The observation of a neutrino at IceCube in association with the Tidal Disruption Event (TDE) AT2019dsg has suggested TDEs as a new class of sources of astrophysical neutrinos. We present a model of this multi-messenger observation in a…

High Energy Astrophysical Phenomena · Physics 2021-08-02 Walter Winter , Cecilia Lunardini

This paper presents a systematic study of X-ray-selected canonical tidal disruption events (TDEs) discovered in the western Galactic hemisphere of the first two eROSITA all-sky surveys (eRASS1 and eRASS2) performed between Dec 2019 and Dec…

The rate of tidal disruption events (TDEs) can vary by orders of magnitude depending on the environment and the mechanism that launches the stars towards the black hole's vicinity. For the largest rates, two disruptions can take place…

High Energy Astrophysical Phenomena · Physics 2019-01-23 Clément Bonnerot , Elena M. Rossi

The tidal disruption of planets by their host stars represents a growing area of interest in transient astronomy, offering insights into the final stages of planetary system evolution. We model the hydrodynamic evolution and predict the…

Earth and Planetary Astrophysics · Physics 2026-03-18 Matías Montesinos , Sergei Nayakshin , Vardan Elbakyan , Zhen Guo , Mario Sucerquia , Amelia Bayo , Zhaohuan Zhu

Tidal disruption events (TDEs) occur when stars are destroyed by supermassive black holes and are among the brightest nuclear transients. It has been thought that strong relativistic effects rapidly dissipate orbital energy and produce…

High Energy Astrophysical Phenomena · Physics 2026-05-05 Ho-Sang Chan , Taeho Ryu , Julian Krolik , Tsvi Piran
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