The miniJPAS survey: a preview of the Universe in 56 colours
S. Bonoli, A. Mar\'in-Franch, J. Varela, H. V\'azquez Rami\'o, L. R., Abramo, A. J. Cenarro, R. A. Dupke, J. M. V\'ilchez, D., Crist\'obal-Hornillos, R. M. Gonz\'alez Delgado, C. Hern\'andez-Monteagudo,, C. L\'opez-Sanjuan, D. J. Muniesa, T. Civera, A. Ederoclite, A.

TL;DR
The miniJPAS survey demonstrates the scientific potential of multi-band optical imaging with 56 filters, providing high-quality photometric data and redshift estimates over a 1 square degree field, ahead of the full J-PAS survey.
Contribution
This work presents the first data release of miniJPAS, showcasing the capabilities of 56-filter photometry for precise redshift estimation and galaxy characterization.
Findings
Achieved depths of mag_AB ~22-23.5 in narrow bands and up to 24 in broad bands.
Catalog contains over 64,000 sources with high-precision photometric redshifts.
Photometric redshifts reach subpercent accuracy for sources up to r=22.5.
Abstract
The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique set of optical filters from a dedicated m telescope, JST, at the Javalambre Astrophysical Observatory. Before the arrival of the final instrument (a 1.2 Gpixels, 4.2deg field-of-view camera), the JST was equipped with an interim camera (JPAS-Pathfinder), composed of one CCD with a 0.3deg field-of-view and resolution of 0.23 arcsec pixel. To demonstrate the scientific potential of J-PAS, with the JPAS-Pathfinder camera we carried out a survey on the AEGIS field (along the Extended Groth Strip), dubbed miniJPAS. We observed a total of deg, with the J-PAS filters, which include narrow band (NB, Angstrom) and two broader filters extending to the…
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