SIMBAD references

2017A&A...605L...2S - Astronomy and Astrophysics, volume 605, L2-2 (2017/9-1)

What pebbles are made of: Interpretation of the V883 Ori disk.


Abstract (from CDS):

Recently, an Atacama Large Millimeter/submillimeter Array (ALMA) observation of the water snow line in the protoplanetary disk around the FU Orionis star V883 Ori was reported. The radial variation of the spectral index at mm-wavelengths around the snow line was interpreted as being due to a pileup of particles interior to the snow line. However, radial transport of solids in the outer disk operates on timescales much longer than the typical timescale of an FU Ori outburst (101-102yr). Consequently, a steady-state pileup is unlikely. We argue that it is only necessary to consider water evaporation and re-coagulation of silicates to explain the recent ALMA observation of V883 Ori because these processes are short enough to have had their impact since the outburst. Our model requires the inner disk to have already been optically thick before the outburst, and our results suggest that the carbon content of pebbles is low.

Abstract Copyright: © ESO, 2017

Journal keyword(s): planets and satellites: composition - stars: individual: V883 Ori - radio continuum: planetary systems - protoplanetary disks - protoplanetary disks

Simbad objects: 1

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