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pro vyhledávání: '"DuPont, Marcus"'
Autor:
DuPont, Marcus, MacFadyen, Andrew
We consider the observational implications of the binary neutron star (BNS) merger GW170817 leaving behind a rapidly rotating massive neutron star that launches a relativistic, equatorial outflow as well as a jet. We show that if the equatorial outfl
Externí odkaz:
http://arxiv.org/abs/2405.20329
We show that strong bow shocks are turbulent and non-universal near the head, but asymptote to a universal steady, self-similar, and analytically solvable flow in the downstream. The turbulence is essentially 3D, and has been confirmed by a 3D simula
Externí odkaz:
http://arxiv.org/abs/2401.18080
State-of-the-art surveys reveal that most massive stars in the universe evolve in close binaries. Massive stars in such systems are expected to develop aspherical envelopes due to tidal interactions and/or rotational effects. Recently, it was shown t
Externí odkaz:
http://arxiv.org/abs/2310.20692
Autor:
DuPont, Marcus, MacFadyen, Andrew
We consider the dynamics of an equatorial explosion powered by a millisecond magnetar formed from the core collapse of a massive star. We study whether these outflows -- generated by a priori magneto-centrifugally-driven, relativistic magnetar winds
Externí odkaz:
http://arxiv.org/abs/2309.15347
Synchrotron and inverse Compton emission successfully explain the observed spectra of gamma-ray burst (GRB) afterglows. It is thought that most GRBs are products of extremely relativistic outflows and the afterglow marks the interaction of that eject
Externí odkaz:
http://arxiv.org/abs/2304.00044
The stellar cataclysms producing astronomical transients have long been modeled as either a point-like explosion or jet-like engine ignited at the center of a spherically symmetric star. However, many stars are observed, or are expected on theoretica
Externí odkaz:
http://arxiv.org/abs/2202.04767
Non-equilibrium ionization (NEI) is a key process often times neglected when modeling astrophysical plasmas with thermodynamical timescales much shorter than the timescales for ionization and recombination. In this paper, we perform NEI modeling on a
Externí odkaz:
http://arxiv.org/abs/2012.12297
Autor:
DuPont, Marcus, Murphy, Jeremiah W.
Mars lacks a substantial magnetic field; as a result, the solar wind ablates the Martian atmosphere, making the surface uninhabitable. Therefore, any terraforming attempt will require an artificial Martian magnetic shield. The fundamental challenge o
Externí odkaz:
http://arxiv.org/abs/2006.05546
Akademický článek
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Autor:
DuPont, Marcus1,2 (AUTHOR) md4469@nyu.edu, Murphy, Jeremiah W.2 (AUTHOR)
Publikováno v:
International Journal of Astrobiology. Jun2021, Vol. 20 Issue 3, p215-222. 8p.