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Listening to the gravitational wave sound of circumbinary exoplanets

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arxiv 1812.04330 v2 pith:VN6VC3AC submitted 2018-12-11 astro-ph.EP astro-ph.IMgr-qc

Nicola Tamanini , Camilla Danielski This is my paper
classification astro-ph.EPastro-ph.IMgr-qc
keywords exoplanetsallowcircumbinarydetectdetectiongalacticgravitationallisa
verification ladder T0 review T1 audit T2 compute T3 formal
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To date more than 3500 exoplanets have been discovered orbiting a large variety of stars. Due to the sensitivity limits of the currently used detection techniques, these planets populate zones restricted either to the solar neighbourhood or towards the Galactic bulge. This selection problem prevents us from unveiling the true Galactic planetary population and is not set to change for the next two decades. Here we present a new detection method that overcomes this issue and that will allow us to detect gas giant exoplanets using gravitational wave astronomy. We show that the Laser Interferometer Space Antenna (LISA) mission can characterise hundreds of new circumbinary exoplanets orbiting white dwarf binaries everywhere in our Galaxy - a population of exoplanets so far completely unprobed - as well as detecting extragalactic bound exoplanets in the Magellanic Clouds. Such a method is not limited by stellar activity and, in extremely favourable cases, will allow LISA to detect super-Earths down to 10 Earth masses.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Identifying and characterizing extragalactic circum-CBC exoplanets with future gravitational-wave detectors

    astro-ph.HE 2026-07 conditional novelty 6.0 of 10

    Future gravitational-wave detectors, especially ET and DECIGO, could in principle detect and characterize exoplanets around extragalactic compact binary mergers.

  2. Temporal Correlation Statistic for Intrinsic Phase Fluctuation in Double White Dwarf Gravitational-Wave Signals

    gr-qc 2026-06 unverdicted novelty 6.0 of 10

    Introduces a minimal quadratic statistic to isolate temporal correlations in intrinsic phase fluctuations of double white dwarf binaries and derives an analytic SNR scaling with total observation time and intrinsic co...

  3. Identifying and characterizing extragalactic circum-CBC exoplanets with future gravitational-wave detectors

    astro-ph.HE 2026-07 unverdicted novelty 5.5 of 10

    Future GW detectors can recover the mass of an extragalactic circum-CBC exoplanet to within a factor of order one for a substantial fraction of the planet parameters considered, at 68% confidence.

  4. Waveform Modelling for the Laser Interferometer Space Antenna

    gr-qc 2023-11 unverdicted novelty 2.0 of 10

    A review of existing waveform models for LISA sources and the challenges that must still be overcome.

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