Systematic investigation of the expected gravitational wave signal from supermassive black hole binaries in the pulsar timing band

@article{Sesana2013SystematicIO,
  title={Systematic investigation of the expected gravitational wave signal from supermassive black hole binaries in the pulsar timing band},
  author={A. Sesana},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2013},
  volume={433},
  pages={1}
}
  • A. Sesana
  • Published 2013
  • Physics
  • Monthly Notices of the Royal Astronomical Society
    • In this letter we carry out the first systematic investigatio n of the expected gravitational wave (GW) background generated by supermassive black hole (SMBH) binaries in the nHz frequency band accessible to pulsar timing arrays (PTAs). We take from the literature several estimates of the redshift dependent galaxy mass function and of the fraction of close galaxy pairs to derive a wide range of galaxy merger rates. We then exploit empirical black holehost relations to populate merging galaxies… CONTINUE READING
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