Detection of a Deep 3-µm Absorption Feature in the Spectrum of Amalthea (JV)
@article{Takato2004DetectionOA, title={Detection of a Deep 3-µm Absorption Feature in the Spectrum of Amalthea (JV)}, author={N. Takato and S. Bus and H. Terada and T. Pyo and N. Kobayashi}, journal={Science}, year={2004}, volume={306}, pages={2224 - 2227} }
Near-infrared spectra of Jupiter's small inner satellites Amalthea and Thebe are similar to those of D-type asteroids in the 0.8- to 2.5-micrometer wavelength range. A deep absorption feature is detected at 3 micrometers in the spectra of the trailing side of Amalthea, which is similar to that of the non-ice components of Callisto and can be attributed to hydrous minerals. These surface materials cannot be explained if the satellite formed at its present orbit by accreting from a circumjovian… CONTINUE READING
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