Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Christie, I. M."'
Publikováno v:
A&A 678, A140 (2023)
The origin of extremely fast variability is one of the long-standing questions in the gamma-ray astronomy of blazars. While many models explain the slower, lower energy variability, they cannot easily account for such fast flares reaching hour-to-min
Externí odkaz:
http://arxiv.org/abs/2308.06108
Models invoking magnetic reconnection as the particle acceleration mechanism within relativistic jets often adopt a gradual energy dissipation profile within the jet. However, such a profile has yet to be reproduced in first-principles simulations. H
Externí odkaz:
http://arxiv.org/abs/2212.06058
Blazar emission models based on magnetic reconnection succeed in reproducing many observed spectral and temporal features, including the short-duration luminous flaring events. Plasmoids, a self-consistent by-product of the tearing instability in the
Externí odkaz:
http://arxiv.org/abs/1908.02764
Autor:
Christie, I. M., Lalakos, A., Tchekhovskoy, A., Fernández, R., Foucart, F., Quataert, E., Kasen, D.
Neutron star mergers are unique laboratories of accretion, ejection, and r-process nucleosynthesis. We used 3D general relativistic magnetohydrodynamic simulations to study the role of the post-merger magnetic geometry in the evolution of merger remn
Externí odkaz:
http://arxiv.org/abs/1907.02079
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 482, Issue 1, p.65-82 (2019)
The multi-wavelength spectral and temporal variability observed in blazars set tight constraints on current theoretical emission models. Here, we investigate the relativistic magnetic reconnection process as a source of blazar emission in which quasi
Externí odkaz:
http://arxiv.org/abs/1807.08041
PSR J2032+4127 is a young and rapidly rotating pulsar on a highly eccentric orbit around the high-mass Be star MT91 213. X-ray monitoring of the binary system over a $\sim$4000 day period with Swift has revealed an increase of the X-ray luminosity wh
Externí odkaz:
http://arxiv.org/abs/1710.05042
Plasmoids, quasi-spherical regions of plasma containing magnetic fields and high-energy particles, are a self-consistent by-product of the reconnection process in the relativistic regime. Recent two-dimensional particle-in-cell (PIC) simulations have
Externí odkaz:
http://arxiv.org/abs/1710.00724
Sgr A* is an ideal target to study low-luminosity accreting systems. It has been recently proposed that properties of the accretion flow around Sgr A* can be probed through its interactions with the stellar wind of nearby massive stars belonging to t
Externí odkaz:
http://arxiv.org/abs/1601.07432
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