The miniJPAS survey

Optical detection of galaxy clusters with PZWav^⋆

¹ Department of Physics, University of Helsinki, PO Box 64 00014 Helsinki, Finland
² Departamento de Astronomia, Instituto de Astronomia, Geofísica e Ciências Atmosféricas da USP, Cidade Universitária, 05508-900 São Paulo, SP, Brazil
e-mail: lia.doubrawa@usp.br
³ Observatório do Valongo, Universidade Federal do Rio de Janeiro, Ladeira do Pedro Antônio 43, Rio de Janeiro, RJ 20080-090, Brazil
⁴ Department of Astronomy, University of Florida, Gainesville, FL 32611-2055, USA
⁵ Zentrum für Astronomie, Universitatät Heidelberg, Philosophenweg 12, 69120 Heidelberg, Germany
⁶ Institute for Theoretical Physics, Philosophenweg 16, 69120 Heidelberg, Germany
⁷ Observatório Nacional, Rua General José Cristino, 77, São Cristóvão, 20921-400 Rio de Janeiro, RJ, Brazil
⁸ Department of Astronomy, University of Michigan, 311 West Hall, 1085 South University Ave., Ann Arbor, USA
⁹ Department of Physics and Astronomy, University of Alabama, Box 870324 Tuscaloosa, AL, USA
¹⁰ Instituto de Astrofísica de Andalucía (IAA-CSIC), Glorieta de la Astronomía s/n, 18008 Granada, Spain
¹¹ Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, Rua do Matão, 1371, 05508-090 São Paulo, Brazil
¹² Centro de Estudios de Física del Cosmos de Aragón (CEFCA), Unidad Asociada al CSIC, Plaza San Juan, 1, 44001 Teruel, Spain
¹³ Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea, 4, San Sebastián, Spain
¹⁴ Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
¹⁵ Instituto de Física, Universidade Federal da Bahia, 40210-340 Salvador, BA, Brazil
¹⁶ Instruments4, 4121 Pembury Place, La Canada Flintridge, CA 91011, USA

Received: 19 December 2023
Accepted: 14 February 2024

Abstract

Context. Galaxy clusters are an essential tool to understand and constrain the cosmological parameters of our universe. Thanks to its multi-band design, J-PAS offers a unique group and cluster detection window using precise photometric redshifts and sufficient depths.

Aims. We produced galaxy cluster catalogues from miniJPAS, which is a pathfinder survey for the wider J-PAS survey, using the PZWav algorithm.

Methods. Relying only on photometric information, we provide optical mass tracers for the identified clusters, including richness, optical luminosity, and stellar mass. By reanalysing the Chandra mosaic of the AEGIS field, alongside the overlapping XMM-Newton observations, we produced an X-ray catalogue.

Results. The analysis revealed the possible presence of structures with masses of 4 × 10¹³ M_⊙ at redshift 0.75, highlighting the depth of the survey. Comparing results with those from two other cluster catalogues provided by AMICO and VT, we found 43 common clusters with cluster centre offsets of 100 ± 60 kpc and redshift differences below 0.001. We provide a comparison of the cluster catalogues with a catalogue of massive galaxies and report on the significance of cluster selection. In general, we were able to recover approximately 75% of the galaxies with M^⋆ > 2 × 10¹¹ M_⊙.

Conclusions. This study emphasises the potential of the J-PAS survey and the employed techniques, including down to group scales.