Near-infrared photometry of the Galilean satellites
Journal Article
·
· Icarus; (United States)
The present near-IR (2.2-, 3.8-, 4.8-micron) lightcurves and phase coefficients for the Galilean satellites notes the geometric albedo of Io to include volcanic emission at the two longer wavelengths, although no major outbursts were detected during the 1982-1983 period of these observations. The trend of decreasing albedo with increasing wavelength exhibited by Ganymede and Europa is consistent with their possession of icy surfaces. The results obtained for Callisto are consistent with visible-wavelength observations of other dark solar system objects. 35 references.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge (USA); MIT, Cambridge, MA (USA); Hawaii Univ., Honolulu (USA)
- OSTI ID:
- 6224619
- Journal Information:
- Icarus; (United States), Vol. 77
- Country of Publication:
- United States
- Language:
- English
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