Instrument description
OMEGA instrument status
| Channel | Status | Comment |
|---|---|---|
| V (Visible-SWIR, 0.36-1.05 µm) | Operational | Fully functional, routine operations |
| C (NIR-SWIR, 0.95-2.65 µm) | Discontinued | Non-op since August 2010 (final orbit #8485) |
| L (IR-MWIR, 2.55-5.09 µm) | Operational | Limited operations, on-demand only |
OMEGA fact sheet
| Specification | Value | Comment |
|---|---|---|
| Acquisition mode | Pushbroom (V channel) Whiskbroom (C, L channel) |
C, L channels co-registrered V channel registration error wrt IR channels of < 2 pixels |
| iFOV | 1.2 mrad | Resolution min ~425 m/pix, max ~12.6 km/pix in current orbit |
| FOV (swath width) | 19.2-153.6 mrad | 16-pixel wide cube to 128-pixel wide cube, typical swath width on Mars: 12 km to 1500 km | Integration time | 50 or 200 ms (V channel) 5 ms (C, L channel) |
Additional summation capability for low flux scenes | Spectral resolution | 7 nm (V channel) 12.8-14.3 nm (C channel) 18.6-21 nm (L channel) |
Super-resolution spectral sampling available in the V Channel | Thermal imaging capability | Min temperature 210K (L channel) |
Temperature uncertainty ~3K at 210K up to ~6K at 280K |
