Spectral envelope refers to the edges of the spectral properties of a feature, expressed as the range of brightness in the electromagnetic spectrum, as measured by a spectrometer.
... North, 73°9'36" West (40.724626, -73.159916)1.
According to the United States Census Bureau, the town has a total area of 13.1 km² (5.1 mi²). 11.9 ...