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The tidal destruction of a star by a massive black hole, known as a tidal disruption event (TDE), is commonly modeled using the "frozen-in" approximation. Under this approximation, the star maintains exact hydrostatic balance prior to…

高能天体物理现象 · 物理学 2019-04-17 Elad Steinberg , Eric R. Coughlin , Nicholas C. Stone , Brian D. Metzger

A star that passes too close to a massive black hole will be torn apart by tidal forces. The flare of photons emitted during the accretion of the stellar debris is predicted to be observable and candidates of such events have been observed…

宇宙学与河外天体物理 · 物理学 2012-07-23 Sjoert van Velzen , Elmar Koerding , Heino Falcke

We study the long term evolution of a solar type star that is being disrupted by a super massive (10^6 solar mass) black hole. The evolution is followed from the disruption event, which turns the star into a long thin stream of gas, to the…

天体物理学 · 物理学 2009-10-31 S. Ayal , M. Livio , T. Piran

A star orbiting a supermassive black hole can be tidally disrupted if the black hole's gravitational tidal field exceeds the star's self gravity at pericenter. Some of this stellar tidal debris can become gravitationally bound to the black…

宇宙学与河外天体物理 · 物理学 2015-03-20 Michael Kesden

When a star passes close to a supermassive black hole (BH), the BH's tidal forces rip it apart into a thin stream, leading to a tidal disruption event (TDE). In this work, we study the post-disruption phase of TDEs in general relativistic…

高能天体物理现象 · 物理学 2021-12-15 Zachary L. Andalman , Matthew T. P. Liska , Alexander Tchekhovskoy , Eric R. Coughlin , Nicholas Stone

Supermassive black holes ejected from galaxy nuclei by gravitational wave recoil will carry a retinue of bound stars, even in the absence of an accretion disk. We discuss the observable signatures related to these stars, with an emphasis on…

天体物理学 · 物理学 2011-02-11 Stefanie Komossa , David Merritt

We introduce a new physical recipe into the De Lucia and Blaizot version of the Munich semi-analytic model built upon the Millennium dark matter simulation: the tidal stripping of stellar material from satellite galaxies during mergers. To…

宇宙学与河外天体物理 · 物理学 2014-11-20 Bruno M. B. Henriques , Peter A. Thomas

Detections of the tidal disruption flares (TDFs) of stars by supermassive black holes (SMBHs) are rapidly accumulating as optical surveys improve. These detections may provide constraints on SMBH demographics, stellar dynamics, and stellar…

高能天体物理现象 · 物理学 2021-04-07 Nathaniel Roth , Sjoert van Velzen , S. Bradley Cenko , R. F. Mushotzky

Tidal disruption events are routinely discovered as bright optical/UV flares, the properties of which are now well categorized on the population level. The underlying physical processes that produce the evolution of their X-ray emission and…

高能天体物理现象 · 物理学 2025-12-11 Andrew Mummery , Brian Metzger , Sjoert van Velzen , Muryel Guolo

We derive the rates of capture, Ndot, of main sequence turn off stars by the central massive black hole in a sample of galaxies from Magorrian et al. 1998. The disruption rates are smaller than previously believed with Ndot ~ 10^-4 - 10^-7…

天体物理学 · 物理学 2009-10-31 D. Syer , A. Ulmer

The concept of stars being tidally ripped apart and consumed by a massive black hole (MBH) lurking in the center of a galaxy first captivated theorists in the late 1970's. The observational evidence for these rare but illuminating phenomena…

高能天体物理现象 · 物理学 2021-11-15 Suvi Gezari

Tidal disruption events (TDEs) are a class of transients that occur when a star is destroyed by the tides of a massive black hole (MBH). Their rates encode valuable MBH demographic information, but this can only be extracted if accurate TDE…

星系天体物理 · 物理学 2024-12-31 Christian H. Hannah , Nicholas C. Stone , Anil C. Seth , Sjoert van Velzen

In a galactic nucleus, a star on a low angular momentum orbit around the central massive black hole can be fully or partially disrupted by the black hole tidal field, lighting up the compact object via gas accretion. This phenomenon can…

高能天体物理现象 · 物理学 2016-02-17 Deborah Mainetti , Alessandro Lupi , Sergio Campana , Monica Colpi

The strong tidal force in a supermassive black hole's (SMBH) vicinity, coupled with a higher stellar density at the center of a galaxy, make it an ideal location to study the interaction between stars and black holes. Two stars moving near…

高能天体物理现象 · 物理学 2025-04-17 Betty X. Hu , Avi Loeb

Theory suggests that a star making a close passage by a supermassive black hole at the center of a galaxy can under most circumstances be expected to emit a giant flare of radiation as it is disrupted and a portion of the resulting stream…

高能天体物理现象 · 物理学 2010-11-17 Peter Maksym , Melville P. Ulmer , Michael Eracleous

We examine the gyration motion of a charged particle, viewed from a reference observer falling along the Z axis into a Schwarzschild black hole. It is assumed that the magnetic field is constant and uniform along the Z axis, and that the…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Yasufumi Kojima , Kentaro Takami

We study tidal disruption and subsequent mass fallback for stars approaching supermassive black holes on bound orbits, by performing three dimensional Smoothed Particle Hydrodynamics simulations with a pseudo-Newtonian potential. We find…

高能天体物理现象 · 物理学 2015-06-11 Kimitake Hayasaki , Nicholas Stone , Abraham Loeb

We investigate the tidal disruption of a neutron star (NS) near a black hole (BH), and for the first time, to the best of our knowledge, near a naked singularity (NaS). For a BH with a mass greater than about $10 M_{\odot}$, the tidal…

广义相对论与量子宇宙学 · 物理学 2026-02-26 Ashok B. Joshi , Pankaj S. Joshi , Sudip Bhattacharyya

Supermassive black hole binaries (SMBHBs) are products of galaxy mergers, and are important in testing Lambda cold dark matter cosmology and locating gravitational-wave-radiation sources. A unique electromagnetic signature of SMBHBs in…

高能天体物理现象 · 物理学 2014-11-20 F. K. Liu , S. Li , Xian Chen

A repeating partial tidal disruption event (rpTDE) is typically modeled as a star on a bound orbit that is partially disrupted by a massive black hole (MBH) at each pericenter passage. For disruption to occur, the pericenter distance must…

高能天体物理现象 · 物理学 2026-05-26 Shu Yan Lau , Ethan McKeever , Hang Yu