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Galaxy clusters are an essential tool to understand and constrain thecosmological parameters of our Universe. Thanks to its multi-band design, J-PASoffers a unique group and cluster detection window using precise photometricredshifts and sufficient depths. We produce galaxy cluster catalogues from theminiJPAS, which is a pathfinder survey for the wider J-PAS survey, using thePZWav algorithm. Relying only on photometric information, we provide opticalmass tracers for the identified clusters, including richness, opticalluminosity, and stellar mass. By reanalysing the Chandra mosaic of the AEGISfield, alongside the overlapping XMM-Newton observations, we produce an X-raycatalogue. The analysis reveals the possible presence of structures with massesof 4$\times 10^{13}$ M$_\odot$ at redshift 0.75, highlighting the depth of thesurvey. Comparing results with those from two other cluster catalogues,provided by AMICO and VT, we find $43$ common clusters with cluster centreoffsets of 100$\pm$60 kpc and redshift differences below 0.001. We provide acomparison of the cluster catalogues with a catalogue of massive galaxies andreport on the significance of cluster selection. In general, we are able torecover approximately 75$\%$ of the galaxies with $M^{\star} >$2$\times10^{11}$ M$_\odot$. This study emphasises the potential of the J-PAS survey andthe employed techniques down to the group scales.

The miniJPAS survey: Optical detection of galaxy clusters with PZWav