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The evolution of Kerr discs and late-time tidal disruption event light curves

Abstract:

An encounter between a passing star and a massive black hole at the centre of a galaxy, a so-called tidal disruption event or TDE, may leave a debris disc that subsequently accretes onto the hole. We solve for the time evolution of such a TDE disc, making use of an evolutionary equation valid for both the Newtonian and Kerr regimes. The late time luminosity emergent from such a disc is of interest as a model diagnostic, as it tends to follow a power law decline. The original simple ballistic ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1093/mnras/sty2467

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Astrophysics
Oxford college:
New College
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Astrophysics
Role:
Author
More from this funder
Funding agency for:
Balbus, SA
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
481
Issue:
3
Pages:
3348–3356
Publication date:
2018-09-10
Acceptance date:
2018-09-06
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
pubs:912463
URN:
uri:fbbc4695-f850-4029-be13-aa0a1604c680
UUID:
uuid:fbbc4695-f850-4029-be13-aa0a1604c680
Local pid:
pubs:912463

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