Topologically driven coronal dynamics – a mechanism for coronal hole jets
نویسندگان
چکیده
منابع مشابه
Topologically driven coronal dynamics – a mechanism for coronal hole jets
Bald patches are magnetic topologies in which the magnetic field is concave up over part of a photospheric polarity inversion line. A bald patch topology is believed to be the essential ingredient for filament channels and is often found in extrapolations of the observed photospheric field. Using an analytic source-surface model to calculate the magnetic topology of a small bipolar region embed...
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Using observations from the SOHO, STEREO and Hinode, we investigate magnetic field evolution in an equatorial coronal hole region. Two dipoles emerge one by one. The negative element of the first dipole disappears due to the interaction with the positive element of the second dipole. During this process, a jet and a plasma eruption are observed. The opposite polarities of the second dipole sepa...
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ژورنال
عنوان ژورنال: Annales Geophysicae
سال: 2008
ISSN: 1432-0576
DOI: 10.5194/angeo-26-2967-2008