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Search for gravitational wave ringdowns from perturbed black holes in LIGO S4 data

Abbott, B.P. and Abbott, R. and Adhikari, R. and Ajith, P. and Allen, B. and Allen, G. and Amin, R.S. and Anderson, S.B. and Lockerbie, N.A. and , LIGO Scientific Collaboration (2009) Search for gravitational wave ringdowns from perturbed black holes in LIGO S4 data. Physical Review D: Particles and Fields, 80 (6). ISSN 0556-2821

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Abstract

According to general relativity a perturbed black hole will settle to a stationary configuration by the emission of gravitational radiation. Such a perturbation will occur, for example, in the coalescence of a black hole binary, following their inspiral and subsequent merger. At late times the waveform is a superposition of quasinormal modes, which we refer to as the ringdown. The dominant mode is expected to be the fundamental mode, l=m=2. Since this is a well-known waveform, matched filtering can be implemented to search for this signal using LIGO data. We present a search for gravitational waves from black hole ringdowns in the fourth LIGO science run S4, during which LIGO was sensitive to the dominant mode of perturbed black holes with masses in the range of 10M⊙ to 500M⊙, the regime of intermediate-mass black holes, to distances up to 300 Mpc. We present a search for gravitational waves from black hole ringdowns using data from S4. No gravitational wave candidates were found; we place a 90%-confidence upper limit on the rate of ringdowns from black holes with mass between 85M⊙ and 390M⊙ in the local universe, assuming a uniform distribution of sources, of 3.2×10-5 yr-1 Mpc-3=1.6×10-3 yr-1L10-1,where L10 is 1010 times the solar blue-light luminosity.

Item type: Article
ID code: 16902
Notes: Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.
Keywords: gravitational radiation, magnetic fields, gravitational wave detectors and experiments, data analysis, algorithms and implementation, data management, neutron stars, Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics
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Depositing user: Strathprints Administrator
Date Deposited: 25 Mar 2010 14:14
Last modified: 12 Mar 2012 11:06
URI: http://strathprints.strath.ac.uk/id/eprint/16902

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