2023MNRAS.524.5050B

Query : 2023MNRAS.524.5050B

2023MNRAS.524.5050B - Mon. Not. R. Astron. Soc., 524, 5050-5059 (2023/October-1)

AMICO galaxy clusters in KiDS-DR3: Constraints on ΛCDM from extreme value statistics.

BUSILLO V., COVONE G., SERENO M., INGOGLIA L., RADOVICH M., BARDELLI S., CASTIGNANI G., GIOCOLI C., LESCI G.F., MARULLI F., MATURI M., MOSCARDINI L., PUDDU E. and RONCARELLI M.

Abstract (from CDS):

We constrain the ΛCDM cosmological parameter σ8 by applying the extreme value statistics for galaxy cluster mass on the AMICO KiDS-DR3 catalogue. We sample the posterior distribution of the parameters by considering the likelihood of observing the largest cluster mass value in a sample of Nobs = 3644 clusters with intrinsic richness λ* > 20 in the redshift range z ∈ [0.10, 0.60]. We obtain $\sigma _{8}=0.90_{-0.18}^{+0.20}$, consistent within 1σ with the measurements obtained by the Planck collaboration and with previous results from cluster cosmology exploiting AMICO KiDS-DR3. The constraints could improve by applying this method to forthcoming missions, such as Euclid and LSST, which are expected to deliver thousands of distant and massive clusters.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): gravitational lensing: weak - cosmological parameters - large-scale structure of Universe - cosmology: theory

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
2 ACO 776 ClG 09 16 17.5 -00 24 05           ~ 32 0
3 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 727 1

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