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  LISA verification binaries with updated distances from Gaia Data Release 2

Kupfer, T., Korol, V., Shah, S., Nelemans, G., Marsh, T. R., Ramsay, G., et al. (2018). LISA verification binaries with updated distances from Gaia Data Release 2. Monthly Notices of the Royal Astronomical Society, 480 (1), 302-309. doi:10.1093/mnras/sty1545.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-54C6-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-EE09-9
Genre: Journal Article

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 Creators:
Kupfer, T., Author
Korol, V., Author
Shah, S.1, Author
Nelemans, G., Author
Marsh, T. R., Author
Ramsay, G., Author
Groot, P. J., Author
Steeghs, D. T. H, Author
Rossi, E. M., Author
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              

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Free keywords: Astrophysics, Solar and Stellar Astrophysics, astro-ph.SR
 Abstract: Ultracompact binaries with orbital periods less than a few hours will dominate the gravitational wave signal in the mHz regime. Until recently, 10 systems were expected have a predicted gravitational wave signal strong enough to be detectable by the Laser Interferometer Space Antenna (LISA), the so-called `verification binaries'. System parameters, including distances, are needed to provide an accurate prediction of the expected gravitational wave strength to be measured by LISA. Using parallaxes from {\sl Gaia} Data Release 2 we calculate signal-to-noise ratios (SNR) for $\approx$50 verification binary candidates. We find that 11 binaries reach a SNR$\geq$20, two further binaries reaching a SNR$\geq$5 and three more systems are expected to have a SNR$\approx$5 after four years integration with LISA. For these 16 systems we present predictions of the gravitational wave amplitude ($\mathcal{A}$) and parameter uncertainties from Fisher information matrix on the amplitude ($\mathcal{A}$) and inclination ($\iota$).

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 Dates: 2018-05-012018
 Publication Status: Published in print
 Pages: submitted to MNRAS, 9 pages, 4 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1805.00482
URI: http://arxiv.org/abs/1805.00482
DOI: 10.1093/mnras/sty1545
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Title: Monthly Notices of the Royal Astronomical Society
  Other : Mon. Not. R. Astron. Soc.
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 480 (1) Sequence Number: - Start / End Page: 302 - 309 Identifier: ISSN: 1365-8711
CoNE: /journals/resource/1000000000024150