Astronomy and Astrophysics – Astrophysics
Scientific paper
1997-04-29
Astronomy and Astrophysics
Astrophysics
6 pages, LaTeX-AAS style
Scientific paper
10.1063/1.52785
Observations have shown the existence of narrow, very long, straight jets emitted by some newly forming stars (1). It is highly likely that stars forming in the plane of a spiral galaxy do so in the presence of an almost uniform magnetic field. In the Strong Magnetic Field model (SMF), gravitational collapse of a highly conducting plasma in the presence of such a field will result in the formation of a stable, highly relativistic current loop (storage ring) around the central object. The concept was first described by Greyber (2-14). In the figures in Mestel & Strittmatter (15), one can see such a storage ring beginning to form. Such an increasing dipole magnetic field (formed temporarily for 10$^4$ to 10$^6$ years) will produce, accelerate and confine a narrow, very long, straight jet. When the density becomes too high, either the loop is destroyed, or the current-carrying plasma ring is buried inside the newly forming star and is the source of primordial stellar magnetism.
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