Bibcode
Arregui, I.; Ballester, J. L.; Oliver, R.; Soler, R.; Terradas, J.
Referencia bibliográfica
4th Hinode Science Meeting: Unsolved Problems and Recent Insights, ASP Conference series, Vol 455, proceedings of a conference held 11-15 October 2010 in Palermo, Italy. Edited by Luis R. Bellot Rubio, Fabio Reale, and Mats Carlsson. San Francisco: Astronomical Society of the Pacific, 2012, p.211
Advertised on:
5
2012
Número de citas
4
Número de citas referidas
4
Descripción
Given the difficulty in directly determining prominence physical
parameters from observations, prominence seismology stands as an
alternative method to probe the nature of these structures. We show
recent examples of the application of magnetohydrodynamic (MHD)
seismology techniques to infer physical parameters in prominence
plasmas. They are based on the application of inversion techniques
using observed periods, damping times, and plasma flow speeds of
prominence thread oscillations. The contribution of Hinode to the
subject has been of central importance. We show an example based on
data obtained with Hinode's Solar Optical Telescope. Observations show
an active region limb prominence, composed by a myriad of thin
horizontal threads that flow following a path parallel to the
photosphere and display synchronous vertical oscillations. The
coexistence of waves and flows can be firmly established. By making use
of an interpretation based on transverse MHD kink oscillations, a
seismological analysis of this event is performed. It is shown that the
combination of high quality Hinode observations and proper theoretical
models allows flows and waves to become two useful characteristics for
our understanding of the nature of solar prominences.