On the volatile enrichments and composition of Jupiter

Details On the volatile enrichments and composition of Jupiter On the volatile enrichments and composition of Jupiter

2005-02-16

arxiv.org/abs/astro-ph/0502325v1

Astrophys.J. 622 (2005) L145-L148

Astronomy and Astrophysics

Astrophysics

Accepted in ApJLetters

Scientific paper

10.1086/429662

Using the clathrate hydrates trapping theory, we discuss the enrichments in volatiles in the atmosphere of Jupiter measured by the \textit{Galileo} probe in the framework of new extended core-accretion planet formation models including migration and disk evolution. We construct a self-consistent model in which the volatile content of planetesimals accreted during the formation of Jupiter is calculated from the thermodynamical evolution of the disk. Assuming CO2:CO:CH4 = 30:10:1 (ratios compatible with ISM measurements), we show that we can explain the enrichments in volatiles in a way compatible with the recent constraints set from internal structure modeling on the total amount of heavy elements present in the planet.

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