Study of a Solar Active Region Jet

Details Study of a Solar Active Region Jet Study of a Solar Active Region Jet

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..424...19g&link_type=abstract

Proceedings of the 9th International Conference of the Hellenic Astronomical Society, proceedings of a conference held 20-24 Sep

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the observations of an active region jet originating from the east side of NOAA 8531 on May 15 1999. The observations include a series of TRACE 171 Å filtergrams, and simultaneous observations from SUMER in Ne VIII, 770 Å, C IV 1548 Å, as well as MDI magnetograms. The observations were compared with the results of a 3D MHD numerical simulation of magnetic flux emergence and its subsequent reconnection with preexisting magnetic flux. The numerical simulation reproduces the observed 100 km/s outflow at the right temperature range (0.6-1×106 Kelvin). Moreover, the observations seem to suggest that the jet plasma falls back on the solar surface along an active region loop, in agreement with our model.

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