Sublimating icy planetesimals as the source of nucleation seeds for grain condensation in classical novae.

Details Sublimating icy planetesimals as the source of nucleation seeds for grain condensation in classical novae. Sublimating icy planetesimals as the source of nucleation seeds for grain condensation in classical novae.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.485m&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 485 - 488

Physics

Novae: Outbursts, Novae: Planetesimals

Scientific paper

The problem of grain nucleation during novae outbursts is a major obstacle to the understanding of dust formation in these systems. How nucleation seeds can form in the hostile post-outburst environment remains an unresolved matter. The authors suggest here that the material for seeding the condensation of ejecta outflow is stored in a primordial disk of icy planetesimals surrounding the system. Evidence is presented that the requisite number of nucleation seeds can be released by sublimation of the planetesimals during an outburst.

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