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  Detecting hierarchical stellar systems with LISA

Robson, T., Cornish, N. J., Tamanini, N., & Toonen, S. (2018). Detecting hierarchical stellar systems with LISA. Physical Review D, 98: 064012. doi:10.1103/PhysRevD.98.064012.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-DC11-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F948-5
Genre: Journal Article

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 Creators:
Robson, Travis, Author
Cornish, Neil J., Author
Tamanini, N.1, Author              
Toonen, Silvia, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: A significant fraction of stars are members of gravitationally bound hierarchies containing three or more components. Almost all low mass stars in binaries with periods shorter three days are part of a hierarchical system. We therefore anticipate that a large fraction of compact galactic binaries detected by the Laser Interferometer Space Antenna (LISA) will be members of hierarchical triple or quadruple system. The acceleration imparted by the hierarchical companions can be detected in the gravitational wave signal for outer periods as large as 100 years. For systems with periods that are shorter than, or comparable to, the mission lifetime, it will be possible to measure the period and eccentricity of the outer orbit. LISA observations of hierarchical stellar systems will provide insight into stellar evolution, including the role that Kozai-Lidov oscillations play in driving systems towards merger.

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 Dates: 2018-06-012018
 Publication Status: Published in print
 Pages: 15 pages, 14 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1806.00500
URI: http://arxiv.org/abs/1806.00500
DOI: 10.1103/PhysRevD.98.064012
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 98 Sequence Number: 064012 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258