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pro vyhledávání: '"Duque, Raphaël"'
Using a set of general-relativistic magnetohydrodynamics simulations that include proper neutrino transfer, we assess for the first time the role played by the fallback accretion onto the remnant from a binary neutron-star merger over a timescale of
Externí odkaz:
http://arxiv.org/abs/2402.11009
Autor:
Mpisketzis, Vasilis, Duqué, Raphaël, Nathanail, Antonios, Cruz-Osorio, Alejandro, Rezzolla, Luciano
Binary neutron stars mergers widely accepted as potential progenitors of short gamma-ray bursts. After the remnant of the merger has collapsed to a black hole, a jet is powered and may breakout from the the matter expelled during the collision and th
Externí odkaz:
http://arxiv.org/abs/2312.08458
Autor:
Colombo, Alberto, Duqué, Raphaël, Salafia, Om Sharan, Broekgaarden, Floor S., Iacovelli, Francesco, Mancarella, Michele, Andreoni, Igor, Gabrielli, Francesco, Ragosta, Fabio, Ghirlanda, Giancarlo, Fragos, Tassos, Levan, Andrew J., Piranomonte, Silvia, Melandri, Andrea, Giacomazzo, Bruno, Colpi, Monica
Publikováno v:
A&A 686, A265 (2024)
The existence of merging black hole-neutron star (BHNS) binaries has been ascertained through the observation of their gravitational wave (GW) signals. However, to date, no definitive electromagnetic (EM) emission has been confidently associated with
Externí odkaz:
http://arxiv.org/abs/2310.16894
We develop a model to explain the flaring activity in gamma-ray burst X-ray afterglows within the framework of slightly misaligned observers to structured jets. We suggest that flares could be the manifestation of prompt dissipation within the core o
Externí odkaz:
http://arxiv.org/abs/2112.02917
Publikováno v:
A&A 651, A83 (2021)
The binary neutron star merger gravitational-wave signal GW170817 was followed by three electromagnetic counterparts, including a kilonova arising from the radioactivity of freshly synthesized $r$-process elements in ejecta from the merger. Finding k
Externí odkaz:
http://arxiv.org/abs/2103.00943
Publikováno v:
A&A 639, A15 (2020)
The only binary neutron star merger gravitational wave event with detected electromagnetic counterparts recorded to date is GRB170817A. This merger occurred in a rarefied medium with a density smaller than $10^{-3}-10^{-2}~{\rm cm}^{-3}$. Since kicks
Externí odkaz:
http://arxiv.org/abs/1911.03302
Following the historical observation of GW170817 and its electromagnetic follow-up, new neutron star merger afterglows are expected to be observed as counterparts to gravitational wave signals during the next science runs of the gravitational interfe
Externí odkaz:
http://arxiv.org/abs/1907.11945
Using multiple observational arguments, recent work has shown that cosmological GRBs are typically viewed at angles within, or close to the cores of their relativistic jets. One of those arguments relied on the lack of tens-of-days-long periods of ve
Externí odkaz:
http://arxiv.org/abs/1907.05899
Publikováno v:
A&A 631, A39 (2019)
Following the historical observations of GW170817 and its multi-wavelength afterglow, more radio afterglows from neutron star mergers are expected in the future as counterparts to gravitational wave inspiral signals. We wish to describe these events
Externí odkaz:
http://arxiv.org/abs/1905.04495
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