Generation of Homologous Coronal Jets

Details Generation of Homologous Coronal Jets Generation of Homologous Coronal Jets

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.3201p&link_type=abstract

American Astronomical Society, SPD meeting #40, #32.01; Bulletin of the American Astronomical Society, Vol. 41, p.865

Astronomy and Astrophysics

Astronomy

Scientific paper

Recent solar observations (e.g. Hinode & STEREO) have revealed that coronal jets are a more frequent phenomenon than previously believed. This higher frequency results, in part, from the fact that jets exhibit a homologous behavior; successive jets re-occur at the same location.
We present the results of 3D numerical simulations of our model for coronal jets. The simulations were performed with our state-of-art adaptive mesh MHD solver ARMS. The basic idea of the model is that a jet is due to the release of twist as a closed field region undergoes interchange reconnection with surrounding open field. If a stress is constantly applied at the photospheric boundary we demonstrate that our model of jets is able to reproduce the observed homologous property. In addition, we find that two regimes of reconnection can occur in the simulations. This result has important implications for the observed link between jets and plumes.
This work was supported by the NASA Theory and SR&T Programs.

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