The Origin of the Central Solar System Dust Band

Details The Origin of the Central Solar System Dust Band The Origin of the Central Solar System Dust Band

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.5006v&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #50.06; Bulletin of the American Astronomical Society, Vol. 32, p.1487

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new, detailed models of the central Solar System dust band, which is composed of dust originating in the Themis and Koronis asteroid families and is localized in the asteroid belt. This in-ecliptic feature is clearly visible in the IRAS and COBE data sets. Using numerical simulations we investigate the dynamical history of the constituent dust particles and using IRAS data we constrain our three-dimensional models of the central band to obtain information on the total surface area and size-frequency distribution of the dust and the relative contribution of Themis and Koronis material to the composite central band. This results, combined with results we have previously obtained on the ten degree dust band, represent significant new information on the collisional evolution of the asteroid belt.

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