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- W4295693313 endingPage "184" @default.
- W4295693313 startingPage "184" @default.
- W4295693313 abstract "The third observing run of the LIGO/Virgo/KARGA collaboration reported a few neutron star - black hole (NSBH) merger events. While NSBH mergers have yet to receive extensive theoretical attention, they may have a promising electromagnetic signature in the form of short gamma - ray bursts. Here we show that NSBH dynamical mergers can naturally form from ultra - wide binaries in the field. Flyby gravitational interactions with other neighbors in the galaxy in these ultra - wide systems may result in high eccentricity that drives the binary into a merger. We show that this process can result in a merger rate at the order of $sim 10$~Gpc$^{-3}$~yr$^{-1}$ ($sim 5$~Gpc$^{-3}$~yr$^{-1}$) for elliptical (spiral) galaxies. This channel predicts higher merger rate with higher velocity dispersion of the host - galaxy, delay time distribution which shallower than uniform but steeper that $1/t$, higher merger rate for lower BH to NS mass ratio." @default.
- W4295693313 created "2022-09-14" @default.
- W4295693313 creator A5007840528 @default.
- W4295693313 creator A5088513316 @default.
- W4295693313 date "2022-09-01" @default.
- W4295693313 modified "2023-10-05" @default.
- W4295693313 title "Ultrawide Black Hole—Neutron Star Binaries as a Possible Source for Gravitational Waves and Short Gamma-Ray Bursts" @default.
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- W4295693313 doi "https://doi.org/10.3847/1538-4357/ac8a92" @default.
- W4295693313 hasPublicationYear "2022" @default.