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Is NGC6752 hiding a double black hole binary in its core ?

Colpi, M, Gualandris, A and Possenti, A (2002) Is NGC6752 hiding a double black hole binary in its core ?

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NGC6752 hosts in its halo PSR J1911-5958A, a newly discovered binary millisecond pulsar which is the most distant pulsar ever known from the core of a globular cluster. Interestingly, its recycling history seems in conflict with a scenario of ejection resulting from ordinary stellar dynamical encounters. A scattering event off a binary system of two black holes with masses in the range of 3-50 solar masses that propelled PSR J1911-5958A into its current peripheral orbit seems more likely. It is still an observational challenge to unveil the imprint(s) left from such a dark massive binary on cluster's stars: PSR J1911-5958A may be the first case.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Colpi, M
Possenti, A
Date : 19 September 2002
Uncontrolled Keywords : astro-ph, astro-ph
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:00
Last Modified : 24 Jan 2020 23:14

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