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An upper bound from helioseismology on the stochastic background of gravitational waves [Erratum (2014, ApJ, 784, 88)]

MPG-Autoren

Siegel,  Daniel M.
AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Zitation

Siegel, D. M., & Roth, M. (2015). An upper bound from helioseismology on the stochastic background of gravitational waves [Erratum (2014, ApJ, 784, 88)]. Astrophysical Journal, 810(1): 84. doi:10.1088/0004-637X/810/1/84.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0028-9F26-6
Zusammenfassung
The universe is expected to be permeated by a stochastic background of gravitational radiation of astrophysical and cosmological origin. This background is capable of exciting oscillations in solar-like stars. Here we show that solar-like oscillators can be employed as giant hydrodynamical detectors for such a background in the muHz to mHz frequency range, which has remained essentially unexplored until today. We demonstrate this approach by using high-precision radial velocity data for the Sun to constrain the normalized energy density of the stochastic gravitational-wave background around 0.11 mHz. These results open up the possibility for asteroseismic missions like CoRoT and Kepler to probe fundamental physics.