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pro vyhledávání: '"TIDAL DISRUPTION"'
Akademický článek
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Akademický článek
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Autor:
Harsh Kumar, Edo Berger, Daichi Hiramatsu, Sebastian Gomez, Peter K. Blanchard, Yvette Cendes, K. Azalee Bostroem, Joseph Farah, Estefania Padilla Gonzalez, D. Andrew Howell, Curtis McCully, Megan Newsome, Giacomo Terreran
Publikováno v:
The Astrophysical Journal Letters, Vol 974, Iss 2, p L36 (2024)
We present optical/UV observations and the spectroscopic classification of the transient AT2023vto as a tidal disruption event (TDE) at z = 0.4846. The spectrum is dominated by a broad blueshifted He ii λ 4686 emission line, classifying it as a memb
Externí odkaz:
https://doaj.org/article/76ffff297bdf4e7bb4d1856f9399257b
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 2, p L46 (2024)
Stars falling too close to massive black holes in the centers of galaxies can be torn apart by the strong tidal forces. Simulating the subsequent feeding of the black hole with disrupted material has proved challenging because of the range of timesca
Externí odkaz:
https://doaj.org/article/373d64df442b420d9aa0e1eae70d6ec0
Autor:
Junping Chen, Rong-Feng Shen, Wen-Jun Tan, Chen-Wei Wang, Shao-Lin Xiong, Run-Chao Chen, Bin-Bin Zhang
Publikováno v:
The Astrophysical Journal Letters, Vol 973, Iss 1, p L33 (2024)
The progenitors of gamma-ray bursts (GRBs) have long been an unresolved issue. GRB 230307A stands out as an exceptionally bright event, belonging to the long-duration GRBs but also exhibiting a late-emission component reminiscent of a kilonova. Toget
Externí odkaz:
https://doaj.org/article/f628989a36674180acea9d26156f0a04
Publikováno v:
The Astrophysical Journal Letters, Vol 973, Iss 1, p L9 (2024)
Observations of tidal disruption events (TDEs) show signs of nitrogen enrichment reminiscent of other astrophysical sources such as active galactic nuclei and star-forming galaxies. Given that TDEs probe the gas from a single star, it is possible to
Externí odkaz:
https://doaj.org/article/abd73f0a36284f3eb04d06971c5da4ca
Autor:
Dheeraj Pasham, E. R. Coughlin, M. Guolo, T. Wevers, C. J. Nixon, Jason T. Hinkle, A. Bandopadhyay
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 2, p L31 (2024)
The tidal disruption event (TDE) AT2018fyk showed a rapid dimming event 500 days after discovery, followed by a rebrightening roughly 700 days later. It has been hypothesized that this behavior results from a repeating partial TDE (rpTDE), such that
Externí odkaz:
https://doaj.org/article/7b608a68307a417e9fe47090a098285d
Autor:
Zheyu Lin, Ning Jiang, Tinggui Wang, Xu Kong, Dongyue Li, Han He, Yibo Wang, Jiazheng Zhu, Wentao Li, Ji-an Jiang, Avinash Singh, Rishabh Singh Teja, D. K. Sahu, Chichuan Jin, Keiichi Maeda, Shifeng Huang
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 1, p L26 (2024)
The unluckiest star orbits a supermassive black hole elliptically. Every time it reaches the pericenter, it shallowly enters the tidal radius and gets partially tidally disrupted, producing a series of flares. Confirmation of a repeated partial tidal
Externí odkaz:
https://doaj.org/article/097b39f88a544f0cb33f8debbe4e8c0a
Publikováno v:
The Astrophysical Journal Letters, Vol 970, Iss 1, p L8 (2024)
It has been suggested that relativistic jets might have been commonly formed in tidal disruption events (TDEs), but those with relatively weak power could be choked by the surrounding envelope. The discovery of high-energy neutrinos possibly associat
Externí odkaz:
https://doaj.org/article/d313fdceeae846d5b140d4e509200a58
Autor:
Thomas Wevers, K. Decker French
Publikováno v:
The Astrophysical Journal Letters, Vol 969, Iss 1, p L17 (2024)
We report the discovery of an extended emission-line region (EELR) in MUSE observations of Markarian 950, a nearby ( z = 0.01628) poststarburst (PSB) galaxy that hosted the tidal disruption event (TDE) iPTF 16fnl. The EELR requires a nonstellar ioniz
Externí odkaz:
https://doaj.org/article/db7fefca817e4b55b3fcf6d30daa80f4