Photometric redshifts in the North Ecliptic Pole Wide field based on a deep optical survey with Hyper Suprime-Cam

The $AKARI$ space infrared telescope has performed near- to mid-infrared (MIR) observations on the North Ecliptic Pole Wide (NEPW) field (5.4 deg$^2$) for about one year. took advantage of its continuous nine photometric bands, compared with NASA's $Spitzer$ and WISE telescopes, which had only four filters a wide gap in MIR. NEPW lacked deep homogeneous optical data, limiting use nearly half IR sources extra-galactic studies owing absence redshifts (photo-zs). To remedy this, we have recently obtained imaging over 5 bands ($g$, $r$, $i$, $z$, $Y$) Hyper Suprime-Camera (HSC) Subaru 8m telescope. We optically identify AKARI-IR along supplementary data as well pre-existing data. In this work, derive new photo-zs using $\chi^2$ template-fitting method code ($Le$ $Phare$) reliable photometry from 26 selected including HSC, $AKARI$, CFHT, Maidanak, KPNO, take 2026 spectroscopic (spec-z) all available surveys calibrate assess accuracy photo-zs. At z < 1.5, achieve weighted photo-z dispersion $\sigma_{\Delta{z/(1+z)}}$ = 0.053 $\eta$ 11.3% catastrophic errors.