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Tidal disruption events (TDEs) provide a means to probe the low end of the supermassive black hole (SMBH) mass distribution, as they are only observable below the Hills mass ($\lesssim 10^8$ M$_\odot$). Here we attempt to calibrate the…

High Energy Astrophysical Phenomena · Physics 2022-08-16 Paige Ramsden , Daniel Lanning , Matt Nicholl , Sean L. McGee

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

Dynamical perturbations from supermassive black hole (SMBH) binaries can increase the rates of tidal disruption events (TDEs). However, most previous work focuses on TDEs from the heavy black hole in the SMBH binary (SMBHB) system. In this…

High Energy Astrophysical Phenomena · Physics 2023-06-13 Brenna Mockler , Denyz Melchor , Smadar Naoz , Enrico Ramirez-Ruiz

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

We present fundamental scaling relationships between properties of the optical/UV light curves of tidal disruption events (TDEs) and the mass of the black hole that disrupted the star. We have uncovered these relations from the late-time…

High Energy Astrophysical Phenomena · Physics 2023-10-19 Andrew Mummery , Sjoert van Velzen , Edward Nathan , Adam Ingram , Erica Hammerstein , Ludovic Fraser-Taliente , Steven Balbus

Tidal disruption events (TDEs) offer a unique probe of supermassive black hole (SMBH) demographics, but their observed rates remain difficult to reconcile with standard single-SMBH models. In this work, we use simulations of SMBH binaries,…

Astrophysics of Galaxies · Physics 2025-07-14 Denyz Melchor , Smadar Naoz , Suvi Gezari , Brenna Mockler

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

The mass of the central black hole in a galaxy that hosted a tidal disruption event (TDE) is an important parameter in understanding its energetics and dynamics. We present the first homogeneously measured black hole masses of a complete…

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…

Restricted by event horizon suppression, tidal disruption events (TDEs) provide a unique window into otherwise hidden supermassive black holes (SMBHs) at the lower end of the mass spectrum, allowing the connection between star formation and…

Astrophysics of Galaxies · Physics 2026-01-29 Paige Ramsden , Sean L. McGee , Matt Nicholl

Rates of stellar tidal disruption events (TDEs) around supermassive black holes (SMBHs) have been extensively calculated using the loss cone theory, while theoretical work on TDE rates around intermediate-mass black holes (IMBHs) has been…

High Energy Astrophysical Phenomena · Physics 2025-02-27 Janet N. Y. Chang , Lixin Dai , Hugo Pfister , Rudrani Kar Chowdhury , Priyamvada Natarajan

The host galaxies of tidal disruption events (TDEs) have been shown to possess peculiar properties, including high central light concentrations, unusual star-formation histories, and ``green'' colors. The ubiquity of these large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-27 Erica Hammerstein , S. Bradley Cenko , Suvi Gezari , Sylvain Veilleux , Brendan O'Connor , Sjoert van Velzen , Charlotte Ward , Yuhan Yao , Matthew Graham

Stars in the immediate vicinity of supermassive black holes (SMBHs) can be ripped apart by the tidal forces of the black hole. The subsequent accretion of the stellar material causes a spectacular flare of electromagnetic radiation. Here,…

High Energy Astrophysical Phenomena · Physics 2015-05-06 S. Komossa

The rate of tidal disruption events (TDEs), $R_\text{TDE}$, is predicted to depend on stellar conditions near the super-massive black hole (SMBH), which are on difficult-to-measure sub-parsec scales. We test whether $R_\text{TDE}$ depends…

High Energy Astrophysical Phenomena · Physics 2018-02-07 Or Graur , K. Decker French , H. Jabran Zahid , James Guillochon , Kaisey S. Mandel , Katie Auchettl , Ann I. Zabludoff

Stars can be ripped apart by tidal forces in the vicinity of a massive black hole (MBH), causing luminous flares known as tidal disruption events (TDEs). These events could be contributing to the mass growth of intermediate-mass MBHs, and…

High Energy Astrophysical Phenomena · Physics 2024-09-18 M. Polkas , S. Bonoli , E. Bortolas , D. Izquierdo-Villalba , A. Sesana , L. Broggi , N. Hoyer , D. Spinoso

Tidal disruption events (TDEs), in which a star is destroyed by the gravitational field of a supermassive black hole (SMBH), are being observed at a high rate owing to the advanced state of survey science. One of the properties of TDEs that…

High Energy Astrophysical Phenomena · Physics 2023-05-31 Eric R. Coughlin , Matt Nicholl

The hierarchical galaxy formation model predicts supermassive black hole binaries (SMBHBs) in galactic nuclei. Due to the gas poor environment and the limited spatial resolution in observations they may hide in the center of many a galaxy.…

Astrophysics of Galaxies · Physics 2019-10-09 Shuo Li , Peter Berczik , Xian Chen , F. K. Liu , Rainer Spurzem , Yu Qiu

Intermediate mass black holes (IMBHs) may be the link between stellar mass holes and the supermassive variety in the nuclei of galaxies, and globular clusters (GCs) may be one of the most promising environments for their formation. Here we…

High Energy Astrophysical Phenomena · Physics 2023-12-20 Vivian L. Tang , Piero Madau , Elisa Bortolas , Eric W. Peng

New kinematic data and modeling efforts in the past few years have substantially expanded and revised dynamical measurements of black hole masses (Mbh) at the centers of nearby galaxies. Here we compile an updated sample of 72 black holes…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Nicholas J. McConnell , Chung-Pei Ma

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
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