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  Detection of (2,2) quasinormal mode from a population of black holes with a constructive summation method

Costa, C. F. D. S., Tiwari, S., Klimenko, S., & Salemi, F. (2018). Detection of (2,2) quasinormal mode from a population of black holes with a constructive summation method. Physical Review D, 98: 024052. doi:10.1103/PhysRevD.98.024052.

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Genre: Zeitschriftenartikel
Andere : Constructive summation of the (2,2) quasi normal mode from a population of black holes

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 Urheber:
Costa, C. F. Da Silva, Autor
Tiwari, S., Autor
Klimenko, S., Autor
Salemi, F.1, Autor           
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc
 Zusammenfassung: The quasi normal modes (QNMs) associated with gravitational-wave signals from binary black hole (BBH) mergers can provide deep insight into the remnant's properties. Once design sensitivity is achieved, present ground-based gravitational wave interferometers could detect potentially hundreds of BBH signals in the coming years. For most, the ringdown phase will have a very weak signal-to-noise ratio (SNR). Signal summation techniques allow information extraction from the weak SNR ringdowns. We propose a method to constructively sum the (2,2) QNM from different BBH signals by synchronizing and rescaling them. The parameter space adopted to test the method is presently limited to mass ratio $q\leq3$, initially non-spinning black holes with face-on orientation. Moreover, since the synchronisation procedure fails for the weakest signals, we select all ringdowns with SNR above 2.6. Under these conditions, we show that for different BBH populations, 40 to 70% of all the potential detections could be used for the summation while still ensuring a summed SNR of $\sim$80% of the maximal achievable SNR (i.e. for ideally synchronized signals).

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 Datum: 2017-11-012017-11-072018
 Publikationsstatus: Erschienen
 Seiten: 7 pages, 10 figures
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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Lancaster, Pa. : American Physical Society
Seiten: - Band / Heft: 98 Artikelnummer: 024052 Start- / Endseite: - Identifikator: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258