| Name | Luis Bellot Rubio |
| Affiliation | Instituto de Astrofisica de Andalucia (IAA-CSIC, Spain) |
| Title | Photospheric Magnetic Fields: Challenges Ahead |
| Authors | Luis Bellot Rubio |
| Abstract | Understanding the dynamics and energetics of the solar atmosphere requires a good understanding of photospheric magnetic fields, particularly on small spatial scales. Through processes of emergence, interaction, and decay, photospheric magnetic fields give rise to a multitude of phenomena that couple the entire solar atmosphere. Characterizing their properties, origin and evolution will be one of the main challenges of solar physics in the next decade. To reach such an ambitious goal, we need high polarimetric sensitivity, high temporal resolution, long time sequences, and multi-wavelength observations at a resolution of 20 km or better. In this talk I will discuss recent advances in the characterization of photospheric magnetic fields, focusing on the quiet Sun and sunspots. These results offer a glimpse of the whole new revolution that will soon be made possible by facilities such as the Daniel K. Inouye Solar Telescope and, in the longer term, the Indian National Large Solar Telescope and the European Solar Telescope. A brief update on the status of the European Solar Telescope will be given, as an example of a facility designed to excel in high-precision, high-cadence, multi-wavelength polarimetry from the outset. |
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