Table 1 Characteristics of Sentinel 2 and PRISM datasets36.

From: Characterization of talc deposits in ultramafic rocks of Gebel El Maiyit and its economic feasibility

Sentinel 2

Band

Spectral region

Central wavelength (µm)

Spatial resolution (m)

B1

Ultra blue

0.443

60

B2

Blue

0.490

10

B3

Green

0.560

10

B4

Red

0.665

10

B5

VNIR

0.704

20

B6

VNIR

0.740

20

B7

VNIR

0.782

20

B8

VNIR

0.842

10

B8a

VNIR narrow

0.865

20

B9

SWIR water vapor

0.945

60

B10

SWIR cirrus

1.375

60

B11

SWIR

1.610

20

B12

SWIR

2.190

20

PRISM

Number of Bands

1 (Panchromatic)

 Wavelength

0.52 to 0.77 micrometers

 Number of Optics

3 (Nadir; Forward; Backward)

 Base-to-Height ratio

1.0 (between Forward and Backward view)

 Spatial Resolution

2.5 m (at Nadir)

 Swath Width

70 km (Nadir only) / 35 km (Triplet mode)

 S/N

> 70

 MTF

> 0.2

 Number of Detectors

28,000/band (Swath Width 70 km)

14,000/band (Swath Width 35 km)

 Pointing Angle

−1.5 to + 1.5 degrees(Triplet Mode, Cross-track direction)

 Bit Length

8 bits