Photophoretic transport of hot minerals in the solar nebula

Details Photophoretic transport of hot minerals in the solar nebula Photophoretic transport of hot minerals in the solar nebula

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sf2a.conf..337m&link_type=abstract

SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in

Astronomy and Astrophysics

Astrophysics

Scientific paper

A grid of protoplanetary disk models is used to study the outward transport of hot minerals in the form of aggregates from the warm inner regions of the solar nebula under the influence of photophoresis. We compute the distance range at which these aggregates migrate and we show that this mechanism can lead to an influx of hot minerals in the formation regions of the main cometary reservoirs. Moreover, we calculate the size distribution of dust within the disks and we show that small particles evolve outwards to greater heliocentric distances than larger particles in more evolved disks. Future measurements of the size distribution of dust could then place important constraints on the physical properties of disks.

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