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TackTDEs SIGNED

Tackling the complexity of Tidal Disruption Events

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 TackTDEs project word cloud

Explore the words cloud of the TackTDEs project. It provides you a very rough idea of what is the project "TackTDEs" about.

hole    dynamics    supermassive    stellar    black    events    play    disc    angular    radiation    producing    power    rotation    tidal    observational    researcher    gas    tdes    output    combination    quiescent    bands    dozen    elongated    data    object    considering    transport    missions    back    contains    full    huge    momentum    analytical    investigations    settled    otherwise    influence    powered    uv    few    close    diffusion    relativistic    disrupted    precession    thirring    accretion    physical    shock    date    signal    disruption    star    ultimate    phases    he    discovered    predictive    magnetic    galaxies    pericentre    spin    geometry    self    origin    larger    when    tools    urgently    energy    missing    evolution    drive    holes    too    ray    photon    lightcurve    torques    debris    initiates    cross    compact    collision    participate    gets    forces    numerical    emission    near    viscous    onto    falls    stream    mechanisms    optical    lense    delay   

Project "TackTDEs" data sheet

The following table provides information about the project.

Coordinator
KOBENHAVNS UNIVERSITET 

Organization address
address: NORREGADE 10
city: KOBENHAVN
postcode: 1165
website: www.ku.dk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Denmark [DK]
 Total cost 207˙312 €
 EC max contribution 207˙312 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-09-01   to  2022-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KOBENHAVNS UNIVERSITET DK (KOBENHAVN) coordinator 207˙312.00

Map

 Project objective

When a star gets too close to a supermassive black hole, it gets disrupted by the strong tidal forces of the compact object. A few dozen of these tidal disruption events (TDEs) have been discovered to date and a much larger number is expected from current and near-future missions. The observed signal contains rich information about the mechanisms and conditions at play around black holes in otherwise quiescent galaxies. A full exploitation of the huge predictive power of TDEs urgently requires to improve our understanding of their dynamics and the associated emission. Through a combination of analytical and numerical tools, the proposed research aims at studying the different phases of these events considering crucial physical processes missing from previous investigations. After the star has been disrupted, the debris evolves into an elongated gas stream that partially falls back towards the black hole. The researcher will determine how the geometry of this matter evolves under the influence of stellar magnetic field and rotation. As this stream comes back to pericentre, general-relativistic effects cause it to self-cross, which initiates the formation of an accretion disc and could participate to the emission of TDEs in the optical and UV bands. The researcher will determine the influence of the black hole spin on this process, focusing on the delay of stream-stream collision induced by Lense-Thirring precession. He will also investigate photon diffusion during disc formation to determine the evolution of the emerging shock-powered lightcurve. After the gas has settled, viscous torques drive the accretion of the stellar matter onto the black hole, producing X-ray radiation. The researcher will study this ultimate phase to evaluate the energy output and the origin of angular momentum transport in TDEs. This work will result in great advances in this research field on the theoretical side that will be used to better exploit observational data.

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The information about "TACKTDES" are provided by the European Opendata Portal: CORDIS opendata.

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