Characteristics of transverse oscillations in a coronal loop arcade
UNSPECIFIED. (2004) Characteristics of transverse oscillations in a coronal loop arcade. SOLAR PHYSICS, 223 (1). pp. 77-94. ISSN 0038-0938Full text not available from this repository.
Official URL: http://dx.doi.org/10.1007/s11207-004-0807-6
TRACE observations from 15 April 2001 of transverse oscillations in coronal loops of a post-flare loop arcade are investigated. They are considered to be standing fast kink oscillations. Oscillation signatures such as displacement amplitude, period, phase and damping time are deduced from 9 loops as a function of distance along the loop length. Multiple oscillation modes are found with different amplitude profile along the loop length, suggesting the presence of a second harmonic. The damping times are consistent with the hypothesis of phase mixing and resonant absorption, although there is a clear bias towards longer damping times compared with previous studies. The coronal magnetic field strength and coronal shear viscosity in the loop arcade are derived.
|Item Type:||Journal Article|
|Subjects:||Q Science > QB Astronomy|
|Journal or Publication Title:||SOLAR PHYSICS|
|Official Date:||November 2004|
|Number of Pages:||18|
|Page Range:||pp. 77-94|
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