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We describe a model of tidal disruption events (TDEs) with input physical parameters that include the black hole (BH) mass $M_{\bullet}$, the specific orbital energy $E$, the angular momentum $J$, the star mass $M_{\star}$ and radius…

High Energy Astrophysical Phenomena · Physics 2017-11-16 A. Mangalam , T. Mageshwaran

Tidal disruption events (TDEs) represent a truly unique, and potentially very powerful, probe of the quiescent supermassive black hole (SMBH) population. Given current observational survey capabilities the vast majority of the TDEs…

High Energy Astrophysical Phenomena · Physics 2026-01-22 Andrew Mummery

Tidal disruption event (TDE) light curves are increasingly used to infer the masses of quiescent supermassive black holes ($M_{\rm{BH}}$), offering a powerful probe of low-mass black hole demographics independent of host-galaxy scaling…

Tidal disruption events (TDEs) provide a unique opportunity to probe the stellar populations around supermassive black holes (SMBHs). By combining light curve modeling with spectral line information and knowledge about the stellar…

High Energy Astrophysical Phenomena · Physics 2022-02-24 Brenna Mockler , Angela A. Twum , Katie Auchettl , Sierra Dodd , K. D. French , Jamie A. P. Law-Smith , Enrico Ramirez-Ruiz

Tidal disruption events (TDEs) provide a clue to the properties of a central supermassive black hole (SMBH) and an accretion disk around it, and to the stellar density and velocity distributions in the nuclear star cluster surrounding the…

High Energy Astrophysical Phenomena · Physics 2023-12-04 Shiyan Zhong , Kimitake Hayasaki , Shuo Li , Peter Berczik , Rainer Spurzem

Tidal disruption events (TDEs) offer a unique opportunity to study a single super-massive black hole (SMBH) under feeding conditions that change over timescales of days or months. However, the primary mechanism for generating luminosity…

High Energy Astrophysical Phenomena · Physics 2021-01-20 Brenna Mockler , Enrico Ramirez-Ruiz

A star entering the tidal sphere of a supermassive black hole (SMBH) can be partially stripped of mass, resulting in a partial tidal disruption event (TDE). Here we develop an analytical model for properties of these events, including the…

High Energy Astrophysical Phenomena · Physics 2026-01-07 Ananya Bandopadhyay , Eric R. Coughlin , C. J. Nixon

The cooling envelope model for tidal disruption events (TDE) postulates that while the stellar debris streams rapidly dissipate their bulk kinetic energy (``circularize"), this does not necessarily imply rapid feeding of the supermassive…

High Energy Astrophysical Phenomena · Physics 2024-01-22 Nikhil Sarin , Brian D. Metzger

We study the mass fallback rate of tidally disrupted stars on marginally bound and unbound orbits around a supermassive black hole (SMBH) by performing three-dimensional smoothed particle hydrodynamic (SPH) simulations with three key…

High Energy Astrophysical Phenomena · Physics 2020-09-02 Gwanwoo Park , Kimitake Hayasaki

We study the rates of tidal disruption of stars by intermediate-mass to supermassive black holes on bound to unbound orbits by using high-accuracy direct N-body experiments. The approaching stars from the star cluster to the black hole can…

High Energy Astrophysical Phenomena · Physics 2018-03-28 Kimitake Hayasaki , Shiyan Zhong , Shuo Li , Peter Berczik , Rainer Spurzem

Tidal disruption events (TDEs) can uncover the quiescent black holes (BHs) at the center of galaxies and also offer a promising method to study them. In a partial TDE (PTDE), the BH's tidal force cannot fully disrupt the star, so the…

High Energy Astrophysical Phenomena · Physics 2023-09-08 Jin-Hong Chen , Rong-Feng Shen

The tidal disruption of a star by a supermassive black hole, and the subsequent accretion of the disrupted debris by that black hole, offers a direct means to study the inner regions of otherwise-quiescent galaxies. These tidal disruption…

Astrophysics of Galaxies · Physics 2019-10-01 Eric R. Coughlin , C. J. Nixon

Tidal Disruption Events (TDEs) provide an opportunity to study supermassive black holes that are otherwise quiescent. The Vera C. Rubin Legacy Survey of Space and Time will be capable of discovering thousands of TDEs each year, allowing for…

Astrophysics of Galaxies · Physics 2026-01-08 K. Decker French , Brenna Mockler , Nicholas Earl , Tanner Murphey

Highly energetic stellar tidal disruption events (TDEs) provide a way to study black hole characteristics and their environment. We simulate TDEs with the PHANTOM code in a general relativistic and Newtonian description of a supermassive…

High Energy Astrophysical Phenomena · Physics 2023-03-29 Taj Jankovič , Andreja Gomboc

The tidal disruption of a star by a supermassive black hole (SMBH) is a highly energetic event with consequences dependent on the degree to which the star plunges inside the SMBH's tidal sphere. We introduce a new analytic model for tidal…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Nicholas Stone , Re'em Sari , Abraham Loeb

Rates of stellar tidal disruption events (TDEs) by supermassive black holes (SMBHs) due to two-body relaxation are calculated using a large galaxy sample (N=146) in order to explore the sensitivity of the TDE rates to observational…

High Energy Astrophysical Phenomena · Physics 2016-02-26 Nicholas C. Stone , Brian D. Metzger

With the sample of observed tidal disruption events (TDEs) now reaching several tens, distinct spectroscopic classes have emerged: TDEs with only hydrogen lines (TDE-H), only helium lines (TDE-He), or hydrogen in combination with He II and…

High Energy Astrophysical Phenomena · Physics 2022-08-17 Matt Nicholl , Daniel Lanning , Paige Ramsden , Brenna Mockler , Andy Lawrence , Phil Short , Evan J. Ridley

The tidal disruption of stars by supermassive black holes (SMBHs) can be used to probe the SMBH mass function, the properties of individual stars, and stellar dynamics in galactic nuclei. Upcoming missions will detect thousands of TDEs, and…

High Energy Astrophysical Phenomena · Physics 2019-09-25 Elen C. A. Golightly , C. J. Nixon , Eric R. Coughlin

Tidal disruption events (TDEs) are valuable probes of the demographics of supermassive black holes as well as the dynamics and population of stars in the centers of galaxies. In this Letter, we focus on studying how the debris disk…

High Energy Astrophysical Phenomena · Physics 2022-03-14 Thomas Hong Tsun Wong , Hugo Pfister , Lixin Dai

Stars that orbit too close to a black hole can be ripped apart by strong tides, producing a type of luminous transient event called a ``tidal disruption event" (TDE). Tidal disruption events of stars by supermassive black holes (SMBHs)…

High Energy Astrophysical Phenomena · Physics 2025-11-20 Brenna Mockler , Erica Hammerstein , Eric R. Coughlin , Matt Nicholl
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