Volume 446, Number 2, February I 2006
|Page(s)||669 - 674|
|Published online||13 January 2006|
A full-disk analysis of pattern of solar oscillations and supergranulation
Dipartimento di Fisica, Università della Calabria, 87036 Rende (CS), Italy Istituto Nazionale di Fisica della Materia, Unità di Cosenza, 87036 Rende (CS), Italy e-mail: firstname.lastname@example.org
Accepted: 8 September 2005
We present the results obtained by applying the Proper orthogonal Decomposition (POD) technique to analyzing photospheric full disk velocity fields acquired by the Magneto-Optical Filter (MOF) Development group at the Kanzelhöhe solar observatory. Using this technique, we were able to identify and characterize the different dynamical regimes acting in the system. The solar rotation dominates the most energetic POD modes. Using a time series of only 256 min, the POD can identify and isolate the solar 5-min oscillations and the solar supergranulation pattern.
Key words: Sun: photosphere / Sun: granulation / Sun: oscillations / methods: data analysis
© ESO, 2006
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