AKARI
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日本卫星，口径68.5cm，06年发射，11年结束
instruments
- FIS (Far-Infrared Surveyor) for far-infrared observations (巡天模式)
| Band Name | N60 | WIDE-S | WIDE-L | N160 |
| Wavelength [µm] | 50-80 | 60-110 | 110-180 | 140-180 |
- IRC (InfraRed Camera) for near and mid-infrared observations.（pointing 模式）
- 三个（近中红外）波段： Wavelength [µm] 1.7-5.5 5.8-14.1 12.4-26.5
survey
- Far-Infrared All-Sky Survey Maps
- The survey covers $> 99$% of the sky in four photometric bands centred at 65 $\mu$m, 90 $\mu$m, 140 $\mu$m, and 160 $\mu$m with spatial resolutions ranging from 1 to 1.5 arcmin.