The relationship between spectral radiance L λ and brightness temperature T in a thermal infrared band of

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The relationship between spectral radiance Lλand brightness temperature T in a thermal infrared band of a satellite sensor can be expressed as


K2 T = - %3D In+ 1).


For band 6 of the Landsat-7 ETM + instrument, the constants have values K1 = 666.1 Wm-2 sr-1 mm-1 and K2 = 1282.7 K. Use the satellite metadata given in Section 11.2.1.1 to find the at-satellite brightness temperature corresponding to a digital number of 132 recorded in band 6.1.

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