AKARI North Ecliptic Pole field in CFHT u-band

The AKARI infrared (IR) space telescope conducted two surveys (Deep and Wide) in the North Ecliptic Pole (NEP) field to find more than 100000 IR sources using its infrared...AKARI红外（IR）空间望远镜在北黄道极（North Ecliptic Pole, NEP）天区开展了两项巡天观测（深场巡天与宽场巡天），旨在利用其红外系统发现超过10万个红外源。