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Advanced Spaceborne Thermal Emission and Reflection Radiometer



  ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is one of five remote sensory devices on board the Terra satellite launched into Earth orbit by NASA in 1999. The instrument has been collecting data since February 2000.

ASTER provides high-resolution images of the Earth in 14 different bands of the electromagnetic spectrum, ranging from visible to thermal infrared light. The resolution of images ranges between 15 to 90 meter. ASTER data is used to create detailed maps of surface temperature of land, emissivity, reflectance, and elevation.

ASTER Bands

Band Label Wavelength
(µm) 		Resolution
(m) 		Nadir or
Backward 		Description
B1 VNIR_Band1 0.520-0.600 15m Nadir Visible Green/Yellow
B2 VNIR_Band2 0.630-0.690 15m Nadir Visible Red
B3 VNIR_Band3N 0.760-0.860 15m Nadir Near Infrared
B4 VNIR_Band3B 0.760-0.860 15m Backward
B5 SWIR_Band4 1.600-1.700 30m Nadir Short-wave Infrared
B6 SWIR_Band5 2.145-2.185 30m Nadir
B7 SWIR_Band6 2.158-2.225 30m Nadir
B8 SWIR_Band7 2.235-2.285 30m Nadir
B9 SWIR_Band8 2.295-2.365 30m Nadir
B10 SWIR_Band9 2.360-2.430 30m Nadir
B11 TIR_Band10 8.125-8.475 90m Nadir Long-wave Infrared
or Thermal IR
B12 TIR_Band11 8.475-8.825 90m Nadir
B13 TIR_Band12 8.925-9.275 90m Nadir
B14 TIR_Band13 10.250-10.950 90m Nadir
B15 TIR_Band14 10.950-11.650 90m Nadir

See also

  • Square meters per pixel
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Advanced_Spaceborne_Thermal_Emission_and_Reflection_Radiometer". A list of authors is available in Wikipedia.
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