Evidence for an intermediate-mass black hole in the globular cluster NGC 6624

B. P. Perera, Benetge; W. Stappers, B.; G. Lyne, A.; Bassa, C.; Cognard, I.; Guillemot, L.; Krämer, M.; Theureau, G.; Desvignes, G.

doi:10.1093/mnras/stx501

Public

Evidence for an intermediate-mass black hole in the globular cluster NGC 6624

Published in Monthly Notices of the Royal Astronomical Society • Feb 27, 2017

Authors:

Benetge B. P. Perera

B. W. Stappers

A. G. Lyne

Abstract

PSR B1820−30A is located in the globular cluster NGC 6624 and is the closest known pulsar to the centre of any globular cluster. We present more than 25 yr of high-precision timing observations of this millisecond pulsar and obtain four rotational frequency time derivative measurements. Modelling th...

Subject

Globular cluster

Physics

Astrophysics

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