SEVIRI

Spinning Enhanced Visible Infra-Red Imager

Satellites

Meteosat 8 to 11 (Meteosat Second Generation)

Status

Operational – Utilised in the period: 2002 to ~ 2020

Mission

Multi-purpose VIS/IR imagery and wind derivation by tracking clouds and water vapour features

Instrument type

12-channel VIS/IR radiometer (11 narrow-bandwidth, 1 high-resolution broad-bandwidth VIS)

Coverage/cycle

Full disk every 15 min. Limited areas in correspondingly shorter time intervals

Resolution (s.s.p.)

4.8 km IFOV, 3 km sampling for narrow channels; 1.4 km IFOV, 1 km sampling for broad VIS channel

Resources

Mass: 260 kg - Power: 150 W - Data rate: 3.26 Mbps

Central wavelength

Spectral interval (99 % encircled energy)

Radiometric accuracy (SNR or NEΔT)

N/A (broad bandwidth channel)

0.6 - 0.9 µm

4.3 @ 1 % albedo

0.635 µm

0.56 - 0.71 µm

10.1 @ 1 % albedo

0.81 µm

0.74 - 0.88 µm

7.28 @ 1 % albedo

1.64 µm

1.50 - 1.78 µm

3 @ 1 % albedo

3.92 µm

3.48 - 4.36 µm

0.35 K @ 300 K

6.25 µm

5.35 - 7.15 µm

0.75 K @ 250 K

7.35 µm

6.85 - 7.85 µm

0.75 K @ 250 K

8.70 µm

8.30 - 9.10 µm

0.28 K @ 300 K

9.66 µm

9.38 - 9.94 µm

1.50 K @ 255 K

10.8 µm

9.80 - 11.8 µm

0.25 K @ 300 K

12.0 µm

11.0 - 13.0 µm

0.37 K @ 300 K

13.4 µm

12.4 - 14.4 µm

1.80 K @ 270 K