Zobrazeno 1 - 10
of 351
pro vyhledávání: '"Begue D"'
Autor:
Sahakyan, N., Vardanyan, V., Giommi, P., Bégué, D., Israyelyan, D., Harutyunyan, G., Manvelyan, M., Khachatryan, M., Dereli-Bégué, H., Gasparyan, S.
The Markarian Multiwavelength Data Center (MMDC) is a web-based tool designed for accessing and retrieving multiwavelength and multimessenger data from blazar observations. MMDC facilitates the construction and interactive visualization of time-resol
Externí odkaz:
http://arxiv.org/abs/2410.01207
Autor:
Sahakyan, N., Bégué, D., Casotto, A., Dereli-Bégué, H., Giommi, P., Gasparyan, S., Vardanyan, V., Khachatryan, M., Pe'er, A.
In the context of modeling spectral energy distributions (SEDs) for blazars, we extend the method that uses a convolutional neural network (CNN) to include external inverse Compton processes. The model assumes that relativistic electrons within the e
Externí odkaz:
http://arxiv.org/abs/2402.07495
The study of Magnetically Arrested Disks (MAD) attract strong interest in recent years, as these disk configurations were found to generate strong jets as observed in many accreting systems. Here, we present the results of 14 general relativistic mag
Externí odkaz:
http://arxiv.org/abs/2310.06996
Autor:
Sahakyan, N., Giommi, P., Padovani, P., Petropoulou, M., Bégué, D., Boccardi, B., Gasparyan, S.
The blazar PKS 0735+178 is possibly associated with multiple neutrino events observed by the IceCube, Baikal, Baksan, and KM3NeT neutrino telescopes while it was flaring in the $\gamma$-ray, X-ray, ultraviolet and optical bands. We present a detailed
Externí odkaz:
http://arxiv.org/abs/2204.05060
Akademický článek
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The unexpected nearby gamma-ray burst GRB 170817A associated with the LIGO binary neutron star merger event GW170817 presents a challenge to the current understanding of the emission physics of short gamma-ray bursts (GRBs). The event's low luminosit
Externí odkaz:
http://arxiv.org/abs/1710.07987
In this paper we revisit the striped wind model in which the wind is accelerated by magnetic reconnection. In our treatment, radiation is included as an independent component, and two scenarios are considered. In the first one, radiation cannot strea
Externí odkaz:
http://arxiv.org/abs/1610.03673
Akademický článek
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One of the key open question in the study of jets in general, and jets in gamma-ray bursts (GRBs) in particular, is the magnetization of the outflow. Here we consider the photospheric emission of Poynting flux dominated outflows, when the dynamics is
Externí odkaz:
http://arxiv.org/abs/1410.2730
Autor:
Bégué, D., Vereshchagin, G. V.
Publikováno v:
MNRAS 439 (2014) 924-928
The problem of the expansion of a relativistic plasma generated when a large amount of energy is released in a small volume has been considered by many authors. We use the analytical solution of Bisnovatyi-Kogan and Murzina (1995) for the spherically
Externí odkaz:
http://arxiv.org/abs/1401.1413