All-sky radiometer for narrowband gravitational waves using folded data

Abstract

We demonstrate an all-sky search for persistent, narrowband gravitational waves using mock data. The search employs radiometry to sidereal-folded data in order to uncover persistent sources of gravitational waves with minimal assumptions about the signal model. The method complements continuous-wave searches, which are finely tuned to search for gravitational waves from rotating neutron stars while providing a means of detecting more exotic sources that might be missed by dedicated continuous-wave techniques. We apply the algorithm to simulated Gaussian noise at the level of LIGO design sensitivity. We project the strain amplitude sensitivity for the algorithm for a LIGO network in the first observing run to be $h_0\approx 1.2\times 10^{-24}$ ($1\%$ false alarm probability, $10\%$ false dismissal probability). We include treatment of instrumental lines and detector artifacts using time-shifted LIGO data from the first observing run.

9 pages, 7 figures

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Cited by in corpus (15)

• Searches for Continuous-Wave Gravitational Radiation
• Exploring the sensitivity of gravitational wave detectors to neutron star physics
• Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs
• Gravitational wave signatures of ultralight vector bosons from black hole superradiance
• Dynamic Signatures of Black Hole Binaries with Superradiant Clouds
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• Stochastic gravitational wave background: methods and Implications
• All-sky, all-frequency directional search for persistent gravitational-waves from Advanced LIGO's and Advanced Virgo's first three observing runs
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• Utilizing the null stream of the Einstein Telescope
• Upper limits on persistent gravitational waves using folded data and the full covariance matrix from Advanced LIGO${}^{\prime }$s first two observing runs
• Model-independent search for anisotropies in stochastic gravitational-wave backgrounds and application to LIGO-Virgo's first three observing Runs
• Gravitational-wave searches in the era of Advanced LIGO and Virgo
• Gravitational waves from superradiant instabilities of rotating black holes
• Model-agnostic gravitational-wave background characterization algorithm