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- Title
Magnetic fields in a limb flare on July 19, 2012.
- Authors
Kirichek, E. A.; Solov’ev, A. A.; Lozitskaya, N. I.; Lozitskii, V. G.
- Abstract
The magnetic field intensity in the limb solar flare of July 19, 2012, was measured by the Zeeman bisector splitting in the Hα line. An average magnetic field is established to attain 200 G at a measurement error of ±100 G in the top of a radiant flare loop at a height of about 40 Mm. The confinement of a strong magnetic field in the high coronal arcade at a relatively weak external field of the corona (about 1–2 G) is considered using a model of a force-free magnetic flux rope with a fine magnetic structure at a scale of about 300 km.
- Subjects
COSMIC magnetic fields; SOLAR flares; MAGNETIC flux density; ZEEMAN effect; MEASUREMENT errors; MAGNETIC structure
- Publication
Geomagnetism & Aeronomy, 2013, Vol 53, Issue 7, p831
- ISSN
0016-7932
- Publication type
Article
- DOI
10.1134/S0016793213070116