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6 papers · 1 filter
Late time afterglow observations reveal a collimated relativistic jet in the ejecta of the binary neutron star merger GW170817
Davide Lazzati, Rosalba Perna, Brian J. Morsony +5
The binary neutron star (BNS) merger GW170817 was the first astrophysical source detected in gravitational waves and multi-wavelength electromagnetic radiation. The almost simultan…
Off-axis prompt X-ray transients from the cocoon of short gamma-ray bursts
Davide Lazzati, Diego Lopez-Camara, Matteo Cantiello +3
We present the results of numerical simulations of the prompt emission of short-duration gamma-ray bursts. We consider emission from the relativistic jet, the mildly relativistic c…
Off-axis emission of short gamma-ray bursts and the detectability of electromagnetic counterparts of gravitational wave detected binary mergers
Davide Lazzati, Alex Deich, Brian J. Morsony +1
We present calculations of the wide angle emission of short-duration gamma-ray bursts from compact binary merger progenitors. Such events are expected to be localized by their grav…
Modeling the afterglow of the possible Fermi-GBM event associated with GW150914
Brian J. Morsony, Jared C. Workman, Dominic M. Ryan
We model the possible afterglow of the Fermi GBM event associated with LIGO detection GW150914, under the assumption that the gamma-ray are produced by a short GRB-like relativisti…
G2 and Sgr A*: A Cosmic Fizzle At The Galactic Center
Brian Morsony, Brandon Gracey, Jared Workman +1
We carry out a series of simulations of G2-type clouds interacting with the black hole at the galactic center, to determine why no large changes in the luminosity of Sgr A* were se…
Fast Shocks From Magnetic Reconnection Outflows
Jared C. Workman, Eric G. Blackman, Chuang Ren
Magnetic reconnection is commonly perceived to drive flow and particle acceleration in flares of solar, stellar, and astrophysical disk coronae but the relative roles of different…