Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1657h&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1657
Computer Science
Scientific paper
In 2010 we reported water ice and organics on asteroid 24 Themis, and shortly after on asteroid 65 Cybele [1], [3]. These findings have spurred us to investigate more primitive asteroids in the outer regions of the main belt. We present our findings for two Cybele Group asteroids: 107 Camilla and 121 Hermione. Our 2-4 μm IRTF-SpeX spectrum of 121 Hermione appears significantly different from those of 24 Themis and 65 Cybele. This is in contrast with our 2-4 spectrum of 107 Camilla, which is closer to the spectra of asteroids 24 and 65. We also present 5-38 μm spectra obtained with NASA's Spitzer Space Telescope. The Spitzer spectra also suggest that 121 Hermione is compositionally different from 65 and 24, while 107 Camilla is similar. This diversity at infrared wavelengths among primitive asteroids can be used to constrain recent dynamical models of the origin of these objects.
Campins Humberto
Hargrove Kelsey D.
Kelley Michael
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