Do proto-Jovian planets drive outflows?

A. C. Quillen, D. E. Trilling

Research output: Contribution to journalArticle

57 Scopus citations

Abstract

We discuss the possibility that gaseous giant planets drive strong outflows during early phases of their formation. We consider the range of parameters appropriate for magneto-centrifugally driven stellar and disk outflow models and find that, if the proto-Jovian planet or accretion disk had a magnetic field of ≳10 G and moderate mass-inflow accretion rates through the disk of less than ∼10-7Mj yr-1, it is possible to drive an outflow. Estimates based both on scaling from empirical laws observed in protostellar outflows and the magneto-centrifugal disk and stellar plus disk wind models suggest that winds with mass-outflow rates of order 10-8M, yr-1 and velocities of order ∼20 km s-1 could be driven from proto-Jovian planets. Prospects for detection and some implications for the formation of the solar system are briefly discussed.

Original languageEnglish (US)
Pages (from-to)707-713
Number of pages7
JournalAstrophysical Journal
Volume508
Issue number2 PART II
DOIs
StatePublished - Jan 1 1998
Externally publishedYes

Keywords

  • ISM: jets and outflows
  • MHD
  • Planetary systems
  • Stars: mass loss
  • Stars: pre-main-sequence

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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