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  Optimally setting up directed searches for continuous gravitational waves in Advanced LIGO O1 data

Ming, J., Papa, M. A., Krishnan, B., Prix, R., Beer, C., Zhu, S., et al. (2018). Optimally setting up directed searches for continuous gravitational waves in Advanced LIGO O1 data. Physical Review D, 97: 024051. doi:10.1103/PhysRevD.97.024051.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-DB33-2 Versions-Permalink: http://hdl.handle.net/21.11116/0000-0000-74A1-7
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 Urheber:
Ming, Jing1, Autor              
Papa, Maria Alessandra1, Autor              
Krishnan, Badri2, Autor              
Prix, Reinhard3, Autor              
Beer, Christian3, Autor              
Zhu, Sylvia1, Autor              
Eggenstein, Heinz-Bernd3, Autor              
Bock, Oliver3, Autor              
Machenschalk, Bernd3, Autor              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              
3Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc
 Zusammenfassung: In this paper we design a search for continuous gravitational waves from three supernova remnants: Vela Jr., Cassiopeia A (Cas A) and G347.3. These systems might harbor rapidly rotating neutron stars emitting quasi-periodic gravitational radiation detectable by the advanced LIGO detectors. Our search is designed to use the volunteer computing project Einstein@Home for a few months and assumes the sensitivity and duty cycles of the advanced LIGO detectors during their first science run. For all three supernova remnants, the sky-positions of their central compact objects are well known but the frequency and spin-down rates of the neutron stars are unknown which makes the searches computationally limited. In a previous paper we have proposed a general framework for deciding on what target we should spend computational resources and in what proportion, what frequency and spin-down ranges we should search for every target, and with what search set-up. Here we further expand this framework and apply it to design a search directed at detecting continuous gravitational wave signals from the most promising three supernova remnants identified as such in the previous work. Our optimization procedure yields broad frequency and spin-down searches for all three objects, at an unprecedented level of sensitivity: The smallest detectable gravitational wave strain $h_0$ for Cas A is expected to be 2 times smaller than the most sensitive upper-limits published to date, and our proposed search, which was set-up and ran on the volunteer computing project Einstein@Home, covers a much larger frequency range.

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 Datum: 2017-08-072018
 Publikationsstatus: Im Druck publiziert
 Seiten: 15 pages, 8 figures
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: arXiv: 1708.02173
URI: http://arxiv.org/abs/1708.02173
DOI: 10.1103/PhysRevD.97.024051
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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Lancaster, Pa. : American Physical Society
Seiten: - Band / Heft: 97 Artikelnummer: 024051 Start- / Endseite: - Identifikator: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258