We analyze, for the first time, the scaling behavior of the photospheric vertical velocity field. Our analysis is based on data collected by the Italian Panoramic Monocromator (IPM) mounted at the THEMIS telescope at the Spanish “Observatorio del Teide” (Tenerife) of the Instituto de Astrofisica de Canarias. We investigate the occurrence of scaling in the cancellations be- tween downflow and upflow of the vertical velocity field, show- ing that the field possesses well pronunced sign–singularity in the range of scales from more than 10 Mm down to the granu- lation scale.
Scaling behavior of the vertical velocity field in the solar photosphere
CARBONE, Vincenzo;
1999-01-01
Abstract
We analyze, for the first time, the scaling behavior of the photospheric vertical velocity field. Our analysis is based on data collected by the Italian Panoramic Monocromator (IPM) mounted at the THEMIS telescope at the Spanish “Observatorio del Teide” (Tenerife) of the Instituto de Astrofisica de Canarias. We investigate the occurrence of scaling in the cancellations be- tween downflow and upflow of the vertical velocity field, show- ing that the field possesses well pronunced sign–singularity in the range of scales from more than 10 Mm down to the granu- lation scale.File in questo prodotto:
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