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Related papers: X-ray properties of TDEs

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A tidal disruption event (TDE) occurs when a star passes within the tidal radius of a supermassive black hole (SMBH). In TDEs it is expected that the orbital angular momentum of the disrupted star is generally misaligned with the SMBH spin…

High Energy Astrophysical Phenomena · Physics 2026-04-29 Jin-Hong Chen , Lixin Dai , Kan Cheuk Kwan , Tom Man Kwan , Zijian Zhang

Tidal disruption events (TDEs) are luminous black hole (BH) transient sources, which are detected mainly in X-ray and optical bands. It is generally believed that the X-ray emission in TDEs is produced by an accretion disc formed as the…

High Energy Astrophysical Phenomena · Physics 2025-05-06 Erlin Qiao , Yongxin Wu , Yiyang Lin , Meng Guo , Jifeng Liu , Chenlei Guo , Chichuan Jin , Ning Jiang

The ultrasoft X-ray flare 2XMMi J184725.1-631724 was serendipitously detected in two XMM-Newton observations in 2006 and 2007, with a peak luminosity of 6X10^43 erg/s. It was suggested to be a tidal disruption event (TDE) because its…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Dacheng Lin , Jay Strader , Eleazar R. Carrasco , Olivier Godet , Dirk Grupe , Natalie A. Webb , Didier Barret , Jimmy A. Irwin

Most tidal disruption events (TDEs) are currently found in time-domain optical and soft X-ray surveys, both of which are prone to significant obscuration. The infrared (IR), however, is a powerful probe of dust-enshrouded environments, and…

Observational consequences of tidal disruption of stars (TDEs) by supermassive black holes (SMBHs) can enable us to discover quiescent SMBHs, constrain their mass function, study formation and evolution of transient accretion disks and jet…

High Energy Astrophysical Phenomena · Physics 2015-06-23 I. Donnarumma , E. M. Rossi

Tidal disruption events (TDEs) of stars by single or binary supermassive black holes (SMBHs) brighten galactic nuclei and reveal a population of otherwise dormant black holes. Adopting event rates from the literature, we aim to establish…

High Energy Astrophysical Phenomena · Physics 2017-08-30 Anastasia Fialkov , Abraham Loeb

The process of tidal disruption of stars by a supermassive black hole (SMBH) provides luminous UV and soft X-ray flares with peak luminosities of $\approx 10^{46}$ ergs/sec and duration of a few months. As part of a wider exploration of the…

High Energy Astrophysical Phenomena · Physics 2019-04-17 Andrea Sacchi , Giuseppe Lodato

We report here radio follow-up observations of the optical Tidal Disruption Event (TDE) AT 2019azh. Previously reported X-ray observations of this TDE showed variability at early times and a dramatic increase in luminosity, by a factor of…

High Energy Astrophysical Phenomena · Physics 2022-07-20 I. Sfaradi , A. Horesh , R. Fender , D. A. Green , D. R. A. Williams , J. Bright , S. Schulze

Stars grazing supermassive black holes on bound orbits may produce periodic flares over many passages, known as repeating partial tidal disruption events (TDEs). Here, we present 3D hydrodynamic simulations of sun-like stars over multiple…

High Energy Astrophysical Phenomena · Physics 2024-12-30 Chang Liu , Ricardo Yarza , Enrico Ramirez-Ruiz

More than 100 tidal disruption events (TDEs) have been detected at multi-bands, which can be viewed as extreme laboratories to investigate the accretion physics and gravity in the immediate vicinity of massive black holes. Future transient…

High Energy Astrophysical Phenomena · Physics 2024-01-26 Zhiwei Chen , Youjun Lu , Yunfeng Chen

We perform a comprehensive analysis of a population of 19 X-ray bright tidal disruption events (TDEs), fitting their X-ray spectra with a new, physically self consistent, relativistic accretion disc model. Not all of the TDEs inhabit…

High Energy Astrophysical Phenomena · Physics 2023-01-19 Andrew Mummery , Thomas Wevers , Richard Saxton , Dheeraj Pasham

Tidal disruption events (TDEs) have traditionally been discovered in optical sky surveys through targeted searches of nuclear transients. However, it is expected that some TDEs will occur outside the galaxy nucleus, arising from wandering…

We explore full/partial tidal disruption events (TDEs) of stars/planets by stellar compact objects (Black holes; BHs; or neutron stars; NSs), which we term micro-TDEs. Disruption of a star/planet with mass $M_{\star}$ may lead to the…

High Energy Astrophysical Phenomena · Physics 2016-06-08 Hagai B. Perets , Zhuo Li , James C. Lombardi , Stephen R. Milcarek

Massive black holes at galaxy center may tear apart a star when the star passes occasionally within the disruption radius, which is the so-called tidal disruption event(TDE). Most TDEs radiate with thermal emission resulted from the…

High Energy Astrophysical Phenomena · Physics 2016-07-06 Fang-Kun Peng , Qing-Wen Tang , Xiang-Yu Wang

Tidal disruption events (TDEs), which occur when stars enter the tidal radii of supermassive black holes (SMBHs) and are subsequently torn apart by their tidal forces, represent intriguing phenomena that stimulate growing research interest…

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

Tidal disruption events (TDEs) can be observed when stars get too close to supermassive black holes and are torn apart and accreted. The delay time distribution of TDEs, or rate of TDEs as a function of time since a burst of star formation,…

The tidal disruption of a star by a supermassive black hole provides us with a rare glimpse of these otherwise dormant beasts. It has long been predicted that the disruption will be accompanied by a thermal `flare', powered by the accretion…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Dimitrios Giannios , Brian D. Metzger

We derive the first hard X-ray luminosity function (XLF) of stellar tidal disruption events (TDEs) by supermassive black holes (SMBHs), which gives an occurrence rate of TDEs per unit volume as a function of peak luminosity and redshift,…

High Energy Astrophysical Phenomena · Physics 2016-06-22 Taiki Kawamuro , Yoshihiro Ueda , Megumi Shidatsu , Takafumi Hori , Nobuyuki Kawai , Hitoshi Negoro , Tatehiro Mihara