Spectral properties of binary asteroids

Myriam Pajuelo, Mirel Birlan, Benôit Carry, Francesca E. DeMeo, Richard P. Binzel, Jérôme Berthier

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)

Resumen

We present the first attempt to characterize the distribution of taxonomic class among the population of binary asteroids (15 per cent of all small asteroids). For that, an analysis of 0.8-2.5 μm near-infrared spectra obtained with the SpeX instrument on the NASA/IRTF (Infrared Telescope Facility) is presented. Taxonomic class and meteorite analogue is determined for each target, increasing the sample of binary asteroids with known taxonomy by 21 per cent. Most binary systems are bound in the S, X, and C classes, followed by Q and V types. The rate of binary systems in each taxonomic class agrees within uncertainty with the background population of small near-Earth objects and inner main belt asteroids, but for the C types which are under-represented among binaries.

Idioma originalInglés
Páginas (desde-hasta)5590-5604
Número de páginas15
PublicaciónMonthly Notices of the Royal Astronomical Society
Volumen477
N.º4
DOI
EstadoPublicada - 11 jul. 2018

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