The North Ecliptic Pole Wide survey of AKARI: a near- and mid-infrared source catalog
Seong Jin Kim, Hyung Mok Lee, Hideo Matsuhara, Takehiko Wada, Shinki, Oyabu, Myungshin Im, Yiseul Jeon, Eugene Kang, Jongwan Ko, Myung Gyoon Lee,, Toshinobu Takagi, Chris Pearson, Glenn J. White, Woong-Seob Jeong, Stephen, Serjeant, Takao Nakagawa, Youichi Ohyama, Tomotsugu Goto

TL;DR
This paper presents a comprehensive infrared source catalog from the AKARI NEP-Wide survey, covering 5.4 square degrees with nine photometric bands, providing valuable data for astrophysical research.
Contribution
The first detailed near- and mid-infrared source catalog for the NEP-Wide field, including extensive data reduction, artifact removal, and multi-wavelength matching techniques.
Findings
Detected approximately 114,800 sources across nine bands.
Achieved 5-sigma detection limits around 18-21 mag depending on the band.
Provided color-color diagrams and source property distributions.
Abstract
We present a photometric catalog of infrared (IR) sources based on the North Ecliptic PoleWide field (NEP-Wide) survey of AKARI, which is an infrared space telescope launched by Japan. The NEP-Wide survey covered 5.4 deg2 area, a nearly circular shape centered on the North Ecliptic Pole, using nine photometric filter-bands from 2 - 25 {\mu}m of the Infrared Camera (IRC). Extensive efforts were made to reduce possible false objects due to cosmic ray hits, multiplexer bleeding phenomena around bright sources, and other artifacts. The number of detected sources varied depending on the filter band: with about 109,000 sources being cataloged in the near-IR bands at 2 - 5 {\mu}m, about 20,000 sources in the shorter parts of the mid-IR bands between 7 - 11 {\mu}m, and about 16,000 sources in the longer parts of the mid-IR bands, with \sim 4,000 sources at 24 {\mu}m. The estimated 5? detection…
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