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454 (0,164s) •

Project

Sources of strong gravity and their astrophysical meaning (GA17-13525S)

The proposal focuses on strong-field sources like black holes, strongly gravitating thin discs, shells, tori and rings described by general relativity. Composite configurations like black holes surrounded by these objects or formed ...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2017 - 2019
    • •
  • 6 181 tis. Kč
    • •
  • 4 327 tis. Kč
    • •
  • GA ČR
Project

General relativistic fields of compact astrophysical sources (GA14-10625S)

holes or neutron stars, and on thin-disc or ring configurations. Sources in vacuum-component sources like black holes surrounded by discs. The fields considered......

BE - Teoretická fyzika

  • 2014 - 2016
    • •
  • 4 000 tis. Kč
    • •
  • 4 000 tis. Kč
    • •
  • GA ČR
Project

Mass and charge currents in general relativity and astrophysics (GA21-11268S)

Quasi-stationary rotating compact configurations of matter drive such compelling astrophysical systems as X-ray binaries or active galactic nuclei. As an outcome of gravitational and centrifugal effects, they include discs, rings, t...

Astronomy (including astrophysics,space science)

  • 2021 - 2023
    • •
  • 12 822 tis. Kč
    • •
  • 12 180 tis. Kč
    • •
  • GA ČR
Project

Modelling of spectra of X-ray sources with strong gravity (GP205/05/P525)

of the disc; add more models to the package, mainly a model for thermal emission from the relativistic accretion disc; expand the code to include non-Keplerian discs; performRecently we have developed a general

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2005 - 2007
    • •
  • 581 tis. Kč
    • •
  • 581 tis. Kč
    • •
  • GA ČR
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 source on the...

BN - Astronomie a nebeská mechanika, astrofyzika

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

Relativistic physics and astrophysics (GA202/96/0206)

of classical general relativity (e.g. relativistic discs as sources of stationary f in relativistic physics and astrophysics at thee department of the Faculty of Mathematics followsthe tradition of the research in relativi...

BE - Teoretická fyzika

  • 1996 - 1998
    • •
  • 1 804 tis. Kč
    • •
  • 1 495 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 on hot electrons in corona will be computed by our 3D general relativistic code......

BN - Astronomie a nebeská mechanika, astrofyzika

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

Relativistic kinetic theory and its applications to astrophysical plasmas (GP14-07753P)

Astrophysical plasmas arising in disc-jet systems associated with compact objects (black holes and neutron stars) are subject to intense gravitational-relativistic axisymmetric plasmas and the Hamiltonian formulation of electromagne...

BE - Teoretická fyzika

  • 2014 - 2016
    • •
  • 1 575 tis. Kč
    • •
  • 1 575 tis. Kč
    • •
  • GA ČR
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 collecting a...

Astronomy (including astrophysics,space science)

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

Extension the Czech Millennia-long Oak Tree-ring width Chronology (GA18-11004S)

Multi-centennial and multi-millennial oak tree-ring width (TRW) chronologies have been constructed across Europe over recent decades. The most recent version of the Czech oak TRW chronology includes almost 4000 cores and disc sample...

Forestry

  • 2018 - 2020
    • •
  • 3 417 tis. Kč
    • •
  • 3 375 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 454