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Revisiting the building blocks of solar magnetic fields by GREGOR

Published online by Cambridge University Press:  24 September 2020

Dominik Utz Open the ORCID record for Dominik Utz [Opens in a new window] ,
Christoph Kuckein Open the ORCID record for Christoph Kuckein [Opens in a new window] ,
Jose Iván Campos Rozo ,
Sergio Javier González Manrique Open the ORCID record for Sergio Javier González Manrique [Opens in a new window] ,
Horst Balthasar ,
Peter Gömöry ,
Judith Palacios Hernández ,
Carsten Denker ,
Meetu Verma  and
Ioannis Kontogiannis Open the ORCID record for Ioannis Kontogiannis [Opens in a new window]
...Show all authors
Dominik Utz
Affiliation:
IGAM/Institute of Physics, Karl-Franzens University Graz, Universitätsplatz 5/II, Graz, Austria email: [email protected]
Christoph Kuckein
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
Jose Iván Campos Rozo
Affiliation:
IGAM/Institute of Physics, Karl-Franzens University Graz, Universitätsplatz 5/II, Graz, Austria email: [email protected]
Sergio Javier González Manrique
Affiliation:
Astronomical Institute, Slovak Academy of Sciences-AISAS, Astronomický ústav SAV, Tatranská Lomnica, Slovak Republic email: [email protected]
Horst Balthasar
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
Peter Gömöry
Affiliation:
Astronomical Institute, Slovak Academy of Sciences-AISAS, Astronomický ústav SAV, Tatranská Lomnica, Slovak Republic email: [email protected]
Judith Palacios Hernández
Affiliation:
Leibniz-Institut für Sonnenphysik (KIS), Schöneckstr. 6, Freiburg im Breisgau, Germany email: [email protected]
Carsten Denker
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
Meetu Verma
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
Ioannis Kontogiannis
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
Kilian Krikova
Affiliation:
IGAM/Institute of Physics, Karl-Franzens University Graz, Universitätsplatz 5/II, Graz, Austria email: [email protected]
Stefan Hofmeister
Affiliation:
IGAM/Institute of Physics, Karl-Franzens University Graz, Universitätsplatz 5/II, Graz, Austria email: [email protected]
Andrea Diercke
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany email: [email protected]
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Abstract

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The Sun is our dynamic host star due to its magnetic fields causing plentiful of activity in its atmosphere. From high energetic flares and coronal mass ejections (CMEs) to lower energetic phenomena such as jets and fibrils. Thus, it is of crucial importance to learn about formation and evolution of solar magnetic fields. These fields cover a wide range of spatial and temporal scales, starting on the larger end with active regions harbouring complex sunspots, via isolated pores, down to the smallest yet resolved elements – so-called magnetic bright points (MBPs). Here, we revisit the various manifestations of solar magnetic fields by the largest European solar telescope in operation, the 1.5-meter GREGOR telescope. We show images from the High-resolution Fast Imager (HiFI) and spectropolarimetric data from the GREGOR Infrared Spectrograph (GRIS). Besides, we outline resolved convective features inside the larger structures – so-called light-bridges occurring on large to mid-sized scales.

Keywords

Sun: sunspotsSun: magnetic fieldsSun: photosphereSun: chromosphereinstrumentation: high angular resolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S354: Solar and Stellar Magnetic Fields: Origins and Manifestations , June 2019 , pp. 38 - 41
Copyright
© International Astronomical Union 2020

References

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