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Measurement of the halo bias from stacked shear profiles of galaxy clusters

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arxiv 1402.4815 v1 pith:5FZ4VLHW submitted 2014-02-19 astro-ph.CO

Giovanni Covone , Mauro Sereno , Martin Kilbinger , Vincenzo F. Cardone This is my paper
classification astro-ph.CO
keywords galaxyclustershaloshearbiasmasspredictionsrelation
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We present the observational evidence of the 2-halo term in the stacked shear profile of a sample of about 1200 optically selected galaxy clusters based on imaging data and the public shear catalog from the CFHTLenS. We find that the halo bias, a measure of the correlated distribution of matter around galaxy clusters, has amplitude and correlation with galaxy cluster mass in very good agreement with the predictions based on the LCDM standard cosmological model. The mass-concentration relation is flat but higher than theoretical predictions. We also confirm the close scaling relation between the optical richness of galaxy clusters and their mass.

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Cited by 2 Pith papers

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

  1. Baryonification II: Constraining feedback with X-ray and kinematic Sunyaev-Zel'dovich observations

    astro-ph.CO 2025-07 conditional novelty 6.0 of 10

    ACT kSZ and eROSITA gas fractions are mutually consistent in a baryonification fit and imply strong feedback, with predicted matter power suppression reaching 20-25 percent at k=5 h/Mpc.

  2. Fast Radio Bursts as Cosmological Probes

    astro-ph.CO 2026-06 unverdicted novelty 2.0 of 10

    FRBs serve as cosmological probes via dispersion measure, scattering, and Faraday rotation to constrain baryon distribution, expansion history, magnetic fields, and fundamental physics effects.

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