Selection effects in resolving Galactic binaries with LISA

M. J. Benacquista*, S. L. Larson, B. E. Taylor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Using several realizations of the Galactic population of close white dwarf binaries, we have explored the selection bias for resolved binaries in the LISA data stream. We have assumed a data analysis routine that is capable of identifying binaries that have a signal-to-noise ratio of at least 5 above a confusion foreground of unresolved binaries. The resolved population of binaries is separated into a subpopulation over 1000 binaries that have a measurable chirp and another subpopulation over 20 000 binaries that do not. As expected, the population of chirping binaries is heavily skewed towards high frequency, high chirp mass systems, with little or no preference for nearby systems. The population of non-chirping binaries is still biased towards frequencies above about 1 mHz. There is an overabundance of higher mass systems than is present in the complete Galactic population.

Original languageEnglish (US)
Article numberS14
Pages (from-to)S513-S520
JournalClassical and Quantum Gravity
Issue number19
StatePublished - Oct 7 2007

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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