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26 April 2024 |
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Brightness from the Blackest Night: Bursts of Gamma Rays and Gravity Waves from Black Hole Binaries | | G. E. Brown
; R. A. M. J. Wijers
; C.-H. Lee
; H.-K. Lee
; H. A. Bethe
; | | Date: |
26 May 1999 | | Subject: | astro-ph | | Affiliation: | SUNY Stony Brook), H.-K. Lee (Hanyang University), and H. A. Bethe (Cornell | | Abstract: | We use recent results in binary stellar evolution to argue that binaries with at least one black hole dominate the rate of compact-object mergers. Two phenomena generally attributable to such mergers, gamma-ray bursts and gravity-wave bursts, are therefore likely to originate from near the event horizon of a black hole. In addition to sheer numbers, black holes have an added advantage over neutron stars in both phenomena. For gamma-ray bursts, the presence of an event horizon eases the baryon pollution problem, because energy can be stored into rotation until most baryons have been swallowed, and then released into a cleaner environment via the Blandford-Znajek process. For gravity-wave bursts, black holes offer higher luminosities due to their higher masses, thus enabling detection out to larger distances, which leads to a 30-fold increase in the predicted LIGO event rate. | | Source: | arXiv, astro-ph/9905337 | | Services: | Forum | Review | PDF | Favorites | |
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