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A spectral comparison of (379) Huenna and its satellite

Author(s)
Carry, Benoit; Marchis, Franck; Birlan, Mirel; Bus, Schelte J.; Descamps, Pascal; Nedelcu, Alin; Busch, Michael; Bouy, Herve; Binzel, Richard P; DeMeo, Francesca E; ... Show more Show less
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Abstract
We present near-infrared spectral measurements of Themis family Asteroid (379) Huenna (D ∼ 98 km) and its 6 km satellite using SpeX on the NASA IRTF. The companion was farther than 1.5″ from the primary at the time of observations and was approximately 5 magnitudes dimmer. We describe a method for separating and extracting the signal of a companion asteroid when the signal is not entirely resolved from the primary. The spectrum of (379) Huenna has a broad, shallow feature near 1 μm and a low slope, characteristic of C-type asteroids. The secondary’s spectrum is consistent with the taxonomic classification of C-complex or X-complex. The quality of the data was not sufficient to identify any subtle feature in the secondary’s spectrum.
Date issued
2011-02
URI
http://hdl.handle.net/1721.1/73469
Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Journal
Icarus
Publisher
Elsevier
Citation
DeMeo, Francesca E. et al. “A Spectral Comparison of (379) Huenna and Its Satellite.” Icarus 212.2 (2011): 677–681.
Version: Author's final manuscript
ISSN
0019-1035
1090-2643

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