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142 (0,09s) •

Project

X-ray polarization from accretion discs (LD12010)

This project will focus on the X-ray polarization expected from black hole accretion discs. The polarization in the lamp-post scenario will be investigated. We will consider the reflection of polarized emission from the primary sour...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2012 - 2015
    • •
  • 1 834 tis. Kč
    • •
  • 1 834 tis. Kč
    • •
  • MŠMT
Project

Mathematical models for stochastic variability of accretion discs (GP205/09/P468)

Radiation from accreting black holes varies on different timescales. In X-rays, the observed light-curve is a complicated noisy curve that can be represented by a broad-band power spectrum. `Hot spots' on the accretion disc...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2009 - 2011
    • •
  • 1 851 tis. Kč
    • •
  • 1 851 tis. Kč
    • •
  • GA ČR
Project

Radiative transfer in accretion dises (GP205/04/P224)

The radiative transfer in accretion discs is usually solved in some simplifying approximations, or is neglected. This didn't allow us to study the processes in these objects and their surroundings in more details. Due to this reason...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2004 - 2006
    • •
  • 383 tis. Kč
    • •
  • 383 tis. Kč
    • •
  • GA ČR
Project

Probing Strong Gravity by Black Holes Across the Range of Masses (7E13012)

As a leader of RTD workpackages WP2, WP10 and WP15 our team will: develop new tools for modelling reflection from neutral and ionized black-hole accretion discs, accurately model thermal spectra of black-hole accretion ...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2013 - 2017
    • •
  • 2 416 tis. Kč
    • •
  • 2 416 tis. Kč
    • •
  • MŠMT
Project

Reverberation from Black Hole accretion discs (GA18-00533S)

X-ray reverberation mapping is a valuable technique for knowing the physical condition of the accreting black holes and the matter that surrounds them. Its potential grows also with the ongoing preparations of Athena mission as the large col...

Astronomy (including astrophysics,space science)

  • 2018 - 2020
    • •
  • 4 227 tis. Kč
    • •
  • 4 068 tis. Kč
    • •
  • GA ČR
Project

Geometrical properties of the accretion disc corona in Active Galactic Nuclei (GA17-02430S)

that arises by inverse Compton scattering of cold thermal photons from the accretion disc...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2017 - 2019
    • •
  • 4 370 tis. Kč
    • •
  • 4 034 tis. Kč
    • •
  • GA ČR
Project

Astrophysical black holes and their environment (GP14-20970P)

We propose to carry out a research project in which the astrophysical black holes and their environment will be investigated. The project has three parallel parts. The first one employs theoretical modelling of a black hole accretion dis...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2014 - 2016
    • •
  • 2 325 tis. Kč
    • •
  • 2 325 tis. Kč
    • •
  • GA ČR
Project

Numerical simulations of accretion disks in X-ray binaries (GN25-16928O)

object, around which a bright accretion disk forms. X-ray black hole binaries by supercomputer simulations of the matter forming the accretion disk in regimes corresponding luminous states of the accretion disk, which are ...

Astronomy (including astrophysics,space science)

  • 2025 - 2027
    • •
  • 4 514 tis. Kč
    • •
  • 4 514 tis. Kč
    • •
  • GA ČR
Project

High frequency quasi-periodic oscillations and compact object properties theory vs. observation (GPP209/12/P740)

oscillations(QPOs) that most likely originate in accretion discs. Understanding to QPOs and other behaviour of diverse oscillation modes of accretion discs. the disc-oscillation models. In relation to the...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2012 - 2014
    • •
  • 3 852 tis. Kč
    • •
  • 3 852 tis. Kč
    • •
  • GA ČR
Project

Orbital and chemical evolution of emerging planetary systems (GA21-11058S)

of the protoplanetary disc and also by pebble accretion (or pebble clumping). The first part of our project will, therefore, study the implications of disc winds and realistic disc structure on the evolution of so...

Astronomy (including astrophysics,space science)

  • 2021 - 2023
    • •
  • 4 728 tis. Kč
    • •
  • 4 728 tis. Kč
    • •
  • GA ČR
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