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A radiometer for stochastic gravitational waves

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arxiv gr-qc/0510096 v1 pith:C4QUHFM4 submitted 2005-10-20 gr-qc

A radiometer for stochastic gravitational waves

Stefan W. Ballmer This is my paper
classification gr-qc
keywords ligogravitationalcollaborationradiometersciencescientificstochasticupper
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The LIGO Scientific Collaboration recently reported a new upper limit on an isotropic stochastic background of gravitational waves obtained based on the data from the 3rd LIGO science Run (S3). Now I present a new method for obtaining directional upper limits that the LIGO Scientific Collaboration intends to use for future LIGO science runs and that essentially implements a gravitational wave radiometer.

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Cited by 3 Pith papers

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

  1. A thorough investigation of cross-correlation estimators for stochastic gravitational-wave background searches in ground-based detector data

    gr-qc 2026-06 unverdicted novelty 6.0

    Reformulation of frequency-domain narrowband cross-correlation estimators for SGWB searches provides new expressions for estimators and covariances, while showing that widely used prior expressions still yield correct...

  2. Directional Search for Persistent Gravitational Waves: Results from the First Part of LIGO-Virgo-KAGRA's Fourth Observing Run

    gr-qc 2025-10 conditional novelty 6.0

    An 8.3-year LIGO–Virgo–KAGRA search for persistent, direction-dependent gravitational waves finds no signal and yields the most restrictive upper limits to date on anisotropic backgrounds and targeted sources.

  3. Expectations for the first supermassive black-hole binary resolved by PTAs I: Model efficacy

    astro-ph.IM 2025-10 unverdicted novelty 5.0

    Simulations of PTA data show that a full gravitational-wave signal template achieves the highest Bayes factors and most robust parameter estimation for individual supermassive black hole binaries compared to an Earth-...