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Asteroids (65) Cybele, (107) Camilla and (121) Hermione: Infrared spectral diversity among the Cybeles

2012; Elsevier BV; Volume: 221; Issue: 1 Linguagem: Inglês

10.1016/j.icarus.2012.07.013

1090-2643

K. Hargrove, Michael S. P. Kelley, H. Campins, J. Licandro, Josh Emery,

Geology and Paleoclimatology Research

We find a clear diversity in the 3 μm and 10 μm features of three Cybele asteroids: (107) Camilla, (121) Hermione, and (65) Cybele. (121) Hermione exhibits a "check-like" 3 μm feature, which may be attributed to OH-dominated minerals and (107) Camilla shows a rounded "bowl" like feature closer to that of (65) Cybele, which may be attributed to H2O-dominated minerals. The 10 μm features of these three asteroids are also different from each other.