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Black Holes: Accretion Processes in X-ray Binaries
Accretion onto black holes is one of the most efficient energy source in the universe. Black hole accretion powers some of the most luminous objects...
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Black Holes: Accretion Processes in X-ray Binaries
Accretion onto black holes is one of the most efficient energy source in the universe. Black hole accretion powers some of the most luminous objects...
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AGN Outbursts and Accretion Disks
We discuss the AGN intermittent activity. Accretion onto a supermassive black hole (SMBH) is generally accepted as the basis of AGN activity, however...
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Course 9: Accretion around Active Galactic Nuclei
In bright AGN, at distances of several Schwarzschild radii, the accretion onto a black hole proceeds predominantly in a form of a cool accretion...
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Course 11: Accretion Signatures in Young Stellar Objects
Mass accretion onto the star is taken place in young stellar objects, providing the energy needed to power the excess emission observed at all...
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Accretion of matter by a charged dilaton black hole
Considering accretion onto a charged dilaton black hole, the fundamental equations governing accretion, general analytic expressions for critical...
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Pre-main Sequence: Accretion and Outflows
Low-mass pre-main sequence (PMS) stars are strong X-ray sources, because they possess hot coronae like their older main-sequence counterparts. Unique...
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Super-Eddington Black Hole Accretion:
Is there an upper limit to the accretion rate ${\dot M}$ ,...
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Magnetized Advective Accretion Disks and Jets: Harmpi Simulation
AbstractAn optically thin advective accretion disk appears to be indispensable to explain hard-state of black hole sources. Any transport of matter...
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Analysis of Dyonic ModMax black hole through accretion disk
In the present study, we probe the geodesic motion and accretion of particles around the spherically symmetric Dyonic ModMax black hole using...
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Role of Biermann Battery Mechanism in Appearance of Magnetic Fields in Accretion Discs
AbstractAt present, there is little doubt that accretion discs surrounding compact astrophysical objects such as black holes, white dwarfs, and...
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Accretion of the earliest inner Solar System planetesimals beyond the water snowline
How and where the first generation of inner Solar System planetesimals formed remains poorly understood. Potential formation regions are the silicate...
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Tests for the Magnetospheric Accretion Model for Young Low Mass Stars
High resolution infrared spectroscopy is a very valuable tool for the study of the formation of low mass and very low mass stars. At the stage in...
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Matter accretion onto the magnetically charged Euler–Heisenberg black hole with scalar hair
This paper deals with astrophysical accretion onto the magnetically charged Euler–Heisenberg black holes with scalar hair. We examine the accretion...
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On dark energy effects on the accretion physics around a Kiselev spinning black hole
Kiselev metric in the static and rotating form is widely used to test different aspects of the dark energy ( DE ) effects. We consider a DE Kiselev...
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Accretion disk in the Hartle–Thorne spacetime
We consider the circular motion of test particles in the gravitational field of a rotating deformed object described by the Hartle–Thorne metric....
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Probing Black-Hole Accretion Through Time Variability
Flux variability is a remarkable property of black hole (BH) accreting systems and a powerful tool to investigate the multi-scale structure of the...
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On the Modeling of a Compressible MHD Turbulence of an Accretion Protoplanetary Disk
AbstractIn the framework of the basic problem of cosmogony, which is associated with the reconstruction of the protoplanetary solar disk at the very...
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Physical analysis of Rastall PFRF black hole through accretion process
The adiabatic accretion onto the charged black hole surrounded by perfect fluid radiation field (PFRF) in Rastall gravity is addressed in this...
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Cosmic accretion shocks as a tool to measure the dark matter mass of galaxy clusters
Cosmological accretion shocks created during the formation of galaxy clusters are a ubiquitous phenomenon all around the universe. These shocks and...
