Table 1 Basic specifications of the cameras onboard Akatsuki.
Name | FOV (deg) | Detector | Filters | Bandwidth | Targets |
|---|---|---|---|---|---|
IR1 | 12 × 12 | Si-CSD/CCD 1024 × 1024 pixels | 1.01 μm (night) | 0.04 μm | Surface, Clouds |
0.97 μm (night) | 0.04 μm | H2O vapor | |||
0.90 μm (night) | 0.03 μm | Surface, Clouds | |||
0.90 μm (day) | 0.01 μm | Clouds | |||
0.90 μm, Diffuse | 0.01 μm | (Flat field) | |||
IR2 | 12 × 12 | PtSi-CSD/CCD 1024 × 1024 pixels | 1.735 μm (night) | 0.04 μm | Clouds, Particle size |
2.26 μm (night) | 0.06 μm | ||||
2.32 μm (night) | 0.04 μm | CO below clouds | |||
2.02 μm (night) | 0.04 μm | Cloud-top height | |||
1.65 μm (night) | 0.3 μm | Zodiacal light | |||
UVI | 12 × 12 | Si-CCD 1024 × 1024 pixels | 283 nm (day) | 13 nm | SO2 at cloud top |
365 nm (day) | 15 nm | Unknown absorber | |||
Diffuse | — | (Flat field) | |||
LIR | 16.4 × 12.4 | Uncooled bolometer 328 × 248 pixels | 10 μm (day/night) | 4 μm | Cloud top temperature |
LAC | 16 × 16 | multi-anode APD 8 × 8 pixels | 777.4 nm (night) | 8nm | OI lightning |
480–605 nm (night) | 125 nm | O2 Herzberg II airglow | |||
557.7 nm (night) | 5nm | OI airglow | |||
545.0 nm (night) | 5nm | (Background) |