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TackTDEs SIGNED

Tackling the complexity of Tidal Disruption Events

Total Cost €

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EC-Contrib. €

0

Partnership

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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.

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

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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