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DRUCKMÜLLER, M. HABBAL, S. MORGAN, H.
Originální název
Discovery of aNew Class of Coronal Structures in White Light Eclipse Images
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
White light images of the solar corona, taken during total solar eclipses, capture the complex dynamic relationship between the coronal plasma and the magnetic field. This relationship can be recorded on timescales of seconds to minutes, within a few solar radii above the solar surface. Rays, large-scale loops, and streamers, which are the brightest structures in these images, have shaped current models of the coronal magnetic field and solar wind flow. We show in this work how the application of novel image processing techniques to unique high-resolution white light eclipse images reveals the presence of a new class of structures, reminiscent of smoke rings, faint nested expanding loops, expanding bubbles, and twisted helical structures. These features are interpreted as snapshots of the dynamical evolution of instabilities developing at prominence-corona interfaces and propagating outward with the solar wind.
Klíčová slova
eclipses, instabilities, solar wind, Sun, corona, filaments, prominences
Autoři
DRUCKMÜLLER, M.; HABBAL, S.; MORGAN, H.
Rok RIV
2014
Vydáno
21. 2. 2014
ISSN
0004-637X
Periodikum
ASTROPHYSICAL JOURNAL
Ročník
2014 (785)
Číslo
1
Stát
Spojené státy americké
Strany od
14
Strany do
22
Strany počet
9
BibTex
@article{BUT106823, author="Miloslav {Druckmüller} and Shadia Rifai {Habbal} and Huw {Morgan}", title="Discovery of aNew Class of Coronal Structures in White Light Eclipse Images", journal="ASTROPHYSICAL JOURNAL", year="2014", volume="2014 (785)", number="1", pages="14--22", doi="10.1088/0004-637X/785/1/14", issn="0004-637X" }