A full-disk analysis of pattern of solar oscillations and supergranulation

Details A full-disk analysis of pattern of solar oscillations and supergranulation A full-disk analysis of pattern of solar oscillations and supergranulation

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...446..669v&link_type=abstract

Astronomy and Astrophysics, Volume 446, Issue 2, February I 2006, pp.669-674

Astronomy and Astrophysics

Astrophysics

1

Sun: Photosphere, Sun: Granulation, Sun: Oscillations, Methods: Data Analysis

Scientific paper

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.

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