MULTI-WAVELENGTH OBSERVATIONS OF VORTEX-LIKE FLOWS IN THE PHOTOSPHERE FROM GROUND-BASED AND SPACE-BORNE TELESCOPES
Affiliation
Universidad de Alcalá (UAH); U. Nacional de Colombia; ICATE-CONICET, UTN/FRM-CONICET, U. Valencia
Main category
Natural Sciences (Astrophysics and Astrononmy)
Abstract
In this work we follow a series of papers on high-resolution solar observations (Balmaceda et al. 2009, Balmaceda et al. 2010, Vargas Dominguez et al. 2011, Palacios et al. 2012, Vargas Domínguez et al 2015, Cabello et al., in preparation), utilizing several long multi-wavelength data series. These were acquired from
both ground-based (SST) and space-borne (Hinode), thus obtaining high-cadence and high resolution data, including SOT-SP data, in a joint campaign of the Hinode Operation Program 14, in Sept 2007. Diffraction-limited SST data, taken in G-band and G-cont, were restored by MFBD, whilst Hinode obtained multispectral data from SOT-FG in CN, Mg II, Ca II and also SP in Fe I lines. In these series we have thoroughly studied vortex flows and their statistical occurrences, horizontal velocities by means of local correlation tracking (LCT), divergence and vorticity; but we also have studied bright point statistics and
magnetic field intensification, clearly highlighting the importance of the smallest-scale magnetic element observations.
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