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Communication Dans Un Congrès Année : 2010

(379) Huenna's Satellite: A Chip Off The Block

Résumé

We present near-infrared spectral measurements of Themis family asteroid (379) Huenna (D˜98km) and its 6km satellite using SpeX on the NASA IRTF. The companion was farther than 1.5" from the primary at the time of observations and was 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 spectra of (379) Huenna and its secondary are very similar, suggesting the secondary is either a fragment of the primary from a past collision or is a fragment from the collision that created the Themis family.
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Dates et versions

hal-03743370 , version 1 (02-08-2022)

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Francesca E. Demeo, Benoît Carry, Franck Marchis, Mirel Birlan, Richard P. Binzel, et al.. (379) Huenna's Satellite: A Chip Off The Block. AAS/Division for Planetary Sciences Meeting #42, Oct 2010, Pasadena, CA, United States. pp.1036. ⟨hal-03743370⟩
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