The propagation of magnetocentrifugally launched jets. I

A. Frank*, Thibaut Lery, T. A. Gardiner, T. W. Jones, D. Ryu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    26 Scopus citations

    Abstract

    We present simulations of the propagation of magnetized jets. This work differs from previous studies in that the cross-sectional distributions of the jets's state variables are derived from analytical models for magnetocentrifugal launching. The source is a magnetized rotator whose properties are specified as boundary conditions. The jets in these simulations are considerably more complex than the "top-hat" constant density, etc. profiles used in previous work. We find that density and magnetic field stratification (with radius) in the jet leads to new behavior including the separation of an inner jet core from a low density collar. We find this "jet within a jet" structure, along with the magnetic stresses, leads to propagation behaviors not observed in previous simulation studies. Our methodology allows us to compare MHD jets from different types of sources whose properties could ultimately be derived from the behavior of the propagating jets.

    Original languageEnglish (US)
    Pages (from-to)342-361
    Number of pages20
    JournalAstrophysical Journal
    Volume540
    Issue number1 PART 1
    DOIs
    StatePublished - Sep 1 2000

    Keywords

    • ISM: jets and outflows
    • MHD
    • Magnetic fields

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

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