J. Lasota

Publications255
h-index41
Citations8,264
Highly Influential Citations575
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The disc instability model of dwarf novae and low-mass X-ray binary transients
Abstract The disc instability model which is supposed to describe outbursts of dwarf nova and low-mass X-ray binary transient systems is presented and reviewed in detail. Various deficiencies of the…
Radio Loudness of Active Galactic Nuclei: Observational Facts and Theoretical Implications
We investigate how the total radio luminosity of AGN-powered radio sources depends on their accretion luminosity and the central black hole mass. Our studies cover about 7 orders of magnitude in…
X-ray irradiation in low-mass binary systems
We calculate self-consistent models of X-ray-irradiated accretion discs in close binary systems. We show that a point X-ray source powered by accretion and located in the disc plane cannot modify the…
The disc instability model for X-ray transients: Evidence for truncation and irradiation
TLDR
The two- disc instability model provides an adequate description of the outbursts of SXTs when both truncation and irradiation are included, and the values for the viscosities in outburst and in quiescence are comparable to those used in CVs.
The astrophysics of cataclysmic variables and related objects : proceedings of a meeting held in Strasbourg, France, 11-16 July 2004
The viscosity parameter α and the properties of accretion disc outbursts in close binaries
Context. The physical mechanisms driving angular momentum transport in accretion discs are still unknown. Although it is generally accepted that, in hot discs, the turbulence triggered by the…
Thermal equilibria of accretion disks
We show that most of hot, optically thin accretion disk models which ignore advective cooling are not self-consistent. We have found new types of optically thin disk solutions where cooling is…
Accretion disc outbursts: a new version of an old model
We have developed 1D time-dependent numerical models of accretion discs, using an adaptive grid technique and an implicit numerical scheme, in which the disc size is allowed to vary with time. The…
Black-Hole Spin and Galactic Morphology
We investigate the conjecture by Sikora, Stawarz, and Lasota that the observed active galactic nuclei (AGNs) radio loudness bimodality can be explained by the morphology-related bimodality of black…
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. I, an 8 month campaign of monitoring NGC 5548 with IUE
This is an electronic version of an article published in The Astrophysical Journal. Clavel, J. et al. Steps toward determination of the size and structure of the broad-line region in active galactic…
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