Instrument

Spectral Bands

27.02.2015

This table includes a summary of all the TROPOMI spectral bands and all the key spectral features per spectral band (UV, UVIS, NIR, and SWIR) including spectral sampling, resolution, and magnification as well as spatial sampling, slit width, and the required signal-to-noise ratio (SNR). Note the differences between the full spectral range and the performance spectral range given in nanometers [nm]. Data product algorithms will rely upon spectral information from the performance range. Additional information about the spectral design and related calibration can be found in the documents section.

Spectrometer

UV

UVIS

NIR

SWIR

Band ID

1

2

3

4

5

6

7

8

Full Range [nm]

270 –  320

310  –  495

675 –  775

2305 –  2385

Performance Range [nm]

270-300

300-320

320-405

405-495

675-725

725-775

2305-2345

2345-2385

Spectral Resolution

FWHM [nm]

0.48

0.49

0.54

0.54

0.38

0.38

0.25

0.25

Spectral Sampling [nm]

0.071

0.073

0.22

0.22

0.14

0.14

0.10

0.10

Spectral Sampling Ratio

6.8

6.7

2.5

2.5

2.8

2.8

2.5

2.5

Slit Width (µm)

560

560

280

280

280

280

560

560

Spectral Magnification

0.327

0.319

0.231

0.231

0.263

0.263

TBD

TBD

Spatial Sampling at nadir [km2]

28 x 7

7 x 7

7 x 7

7 x 7

3.5 x 7

7 x 7

Required Signal-to-noise

100-800 2,3

90-700 2

800-1000 2

100-500 2,4

100-120 5