4.7 Article

All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO O2 data

Journal

PHYSICAL REVIEW D
Volume 100, Issue 2, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.024004

Keywords

-

Funding

  1. Australian Research Council
  2. Council of Scientific and Industrial Research of India
  3. Department of Science and Technology, India
  4. Science & Engineering Research Board (SERB), India
  5. Spanish Agencia Estatalde Investigacion
  6. Vicepresidencia i Conselleria d'Innovacio, Recerca i Turisme
  7. Conselleria d'Educacio i Universitat del Govern de les Illes Balears
  8. Conselleria d'Educacio, Investigacio, Cultura i Esport de la Generalitat Valenciana,
  9. National Science Centre of Poland
  10. Swiss National Science Foundation (SNSF)
  11. Russian Foundation for Basic Research
  12. Russian Science Foundation
  13. European Commission
  14. Royal Society
  15. Scottish Funding Council
  16. Scottish Universities Physics Alliance
  17. Hungarian Scientific Research Fund (OTKA)
  18. Lyon Institute of Origins (LIO)
  19. Paris Ile-de-France Region
  20. National Research, Development and Innovation Office Hungary (NKFIH)
  21. National Research Foundation of Korea
  22. Province of Ontario through the Ministry of Economic Development and Innovation
  23. Natural Science and Engineering Research Council Canada
  24. Canadian Institute for Advanced Research
  25. Brazilian Ministry of Science, Technology, Innovations, and Communications
  26. International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR)
  27. Research Grants Council of Hong Kong
  28. National Natural Science Foundation of China (NSFC)
  29. Leverhulme Trust
  30. Ministry of Science and Technology (MOST), Taiwan
  31. Kavli Foundation
  32. Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Netherlands Organisation for Scientific Research, NWO)
  33. Dutch higher education and research partnership for network services and information and communication technology (SURF)
  34. Ministry of Human Resource Development, India
  35. Industry Canada
  36. European Regional Development Funds (ERDF)
  37. EPSRC [2161515] Funding Source: UKRI
  38. STFC [ST/K005014/2, ST/R00045X/1, 1802888, ST/N000633/1, ST/I006269/1, 1653089, 1654298, ST/K000845/1, 2142081, 1947165, ST/S000305/1, ST/H002006/1, 2039699, PPA/G/S/2002/00652, ST/J00166X/1, ST/S000550/1, 1947199, ST/N000072/1, 1802894, ST/K005014/1, ST/M005844/1, ST/V001396/1] Funding Source: UKRI

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We present results of an all-sky search for continuous gravitational waves (CWs), which can be produced by fast spinning neutron stars with an asymmetry around their rotation axis, using data from the second observing run of the Advanced LIGO detectors. Three different semicoherent methods are used to search in a gravitational-wave frequency band from 20 to 1922 Hz and a first frequency derivative from -1 x 10(-8) to 2 x 10(-9) Hz/s. None of these searches has found clear evidence for a CW signal, so upper limits on the gravitational-wave strain amplitude are calculated, which for this broad range in parameter space are the most sensitive ever achieved.

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