Results 251 to 260 of about 629,027 (290)

Multi-messenger dynamic imaging of laser-driven shocks in water using a plasma wakefield accelerator

Balcazar M, Thomas A, Tsai H, Ostermayr T, Chen Q, Jacob R, Eisentraut Z, Esarey E, Geddes C, Gonsalves A, Hakimi S, Schroeder C, Tilborg JV, Vazquez A, Krushelnick K, Dyer G, Trantham M, Campbell P, Nees J, Ma Y, Albert F, Grace E, Lemos N, Pagano I, King P, Kettle B, Colgan C, Los E, Mangles S, Simpson R, Greenwood B, Kuranz C.   +31 more
europepmc   +1 more source

The multiwavelength behaviour of BL Lacertae explained by a wiggling filamentary jet

Raiteri C.
europepmc   +1 more source

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Extragalactic relativistic jets

Proceedings of the International Astronomical Union, 2018
AbstractRelativistic jets are one of the most powerful manifestations of the release of energy produced around supermassive black holes at the centre of active galactic nuclei (AGN). Their emission is observed across the entire electromagnetic spectrum, from the radio band to gamma rays.
Monica Orienti
semanticscholar   +2 more sources

Theory of Relativistic Jets

, 2015
Relativistic jets can be modeled as magnetohydrodynamic flows. We analyze the related equations and discuss the involved acceleration mechanisms, their relation to the collimation, to the jet confinement by its environment, and to possible rarefaction waves triggered by pressure imbalances.
N. Vlahakis
semanticscholar   +2 more sources

MHD Simulations of Relativistic Jets

Astrophysics and Space Science, 2004
In a series of time dependent numerical simulations we have performed a parameter study of magnetised relativistic jets. We have found that the impact of the magnetic field on the morphology of a jet depends strongly on the configuration of the field.
Leismann, T., Aloy, M., Müller, E.
openaire   +2 more sources

Relativistic Jet Simulations

Astrophysics and Space Science, 1994
Observations on parsec scales suggest that the flow in extra-galactic radio sources has both bulk and thermal Lorentz factors which are significantly greater than one. Using a simple transformation of variable, Chiu (1973) demonstrated that the dynamical equations for a relativistic, nondegenerate fluid (Synge (1957)), can be expressed in a form which ...
openaire   +1 more source

Magnetohydrodynamic Production of Relativistic Jets

Science, 2001
A number of astronomical systems have been discovered that generate collimated flows of plasma with velocities close to the speed of light. In all cases, the central object is probably a neutron star or black hole and is either accreting material from other stars or is in the initial violent stages of formation.
D L, Meier, S, Koide, Y, Uchida
openaire   +2 more sources

Relativistic Jets in SS 433

Science, 1982
A variety of recent optical, radio, and x-ray observations have confirmed the hypothesis that the peculiar star SS 433 is ejecting two narrow, opposed, highly collimated jets of matter at one-quarter the speed of light. This unique behavior is probably driven by mass exchange between a relatively normal star and a compact companion, either a neutron ...
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Relativistic Jet Formation in Microquasars

Astrophysics and Space Science, 2001
Microquasars produce collimated, relativistic flow at speeds up to a Lorentz factor of ∼ 3 (0.94c). It is generally believed that such flow velocities indicate that jet acceleration and collimation occurs in the relativistic environment of a supermassive black hole.
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Deceleration of relativistic jets

New Astronomy Reviews, 2003
Abstract There are now good evidences that, on the parsec scale, jets are relativistic also in Fanaroff–Riley I radiogalaxies. On the other hand they are likely to be subrelativistic on larger scale. Here we present preliminary results of numerical simulations of relativistic jets, whose purpose is the analysis of this deceleration process.
Bodo G, Rossi P, MIGNONE, ANDREA, MASSAGLIA, Silvano, FERRARI, Attilio   +4 more
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