Asteroid Spectroscopy

Absorption of these photons produces a
feature in the spectrum of the interacting
light at the wavelength corresponding
to the energy ∆ O
0.3
1 micron region of pyroxene spectrum
Reflectance
0.2
0.1
∆ O
0
0.3 0.5 0.7 0.9 1.1 1.3
Wavelength (um)
Absorption feature is characterized by:
central wavelength, width and depth