OMI

Ozone Monitoring Instrument

Satellite

EOS-Aura

Status

Operational – Utilised in the period 2004 to ~ 2009

Mission

Ozone profile and total-column or gross profile of other species. Tracked species: BrO, NO2, O3, OClO, SO2 and aerosol

Instrument type

UV/VIS grating imaging spectrometer, three bands, 1560 channels total

Scanning technique

Pushbroom, cross-track swath 2600 km – Zoom mode available, with swath 725 km

Coverage/cycle

Global coverage every day, in daylight

Resolution (s.s.p.)

13 x 24 km2 associated to 2600 km swath, reduced to 36 x 48 km2 for profiles. 13 x 12 km2 in zoom mode

Resources

Mass: 65 kg - Power: 66 W - Data rate: 800 kbps

Spectral range

Number of channels

Spectral resolution

SNR at specified input radiance (NESR)

270 - 314 nm

390

0.42 nm

…….. @ ……… mW m-2 sr-1 μm-1

306 - 380 nm

390

0.45 nm

…….. @ ……… mW m-2 sr-1 μm-1

350 - 500 nm

780

0.63 nm

…….. @ ……… mW m-2 sr-1 μm-1