Spanish‐German WE-Heraeus-Seminar "Interdisciplinary Physics of the Sun"
from
Sunday 29 June 2025 (17:00)
to
Friday 4 July 2025 (13:30)
Monday 23 June 2025
Tuesday 24 June 2025
Wednesday 25 June 2025
Thursday 26 June 2025
Friday 27 June 2025
Saturday 28 June 2025
Sunday 29 June 2025
17:00
Registration
Registration
17:00 - 18:00
18:00
Buffet dinner and welcome reception
Buffet dinner and welcome reception
18:00 - 19:00
19:00
Registration
Registration
19:00 - 21:00
Monday 30 June 2025
08:00
Breakfast
Breakfast
08:00 - 09:00
09:00
Opening
-
Daniel Bemmerer
(
Helmholtz-Zentrum Dresden-Rossendorf
)
Aldo Serenelli
(
Institute of Space Science (ICE, CSIC)
)
Markus Roth
(
TLS Tautenburg and Uni Jena
)
Opening
Daniel Bemmerer
(
Helmholtz-Zentrum Dresden-Rossendorf
)
Aldo Serenelli
(
Institute of Space Science (ICE, CSIC)
)
Markus Roth
(
TLS Tautenburg and Uni Jena
)
09:00 - 09:20
09:20
Realistic simulations of the solar magneto-convection including effects of partial ionization
-
Elena Khomenko
(
Instituto de Astrofisica de Canarias
)
Realistic simulations of the solar magneto-convection including effects of partial ionization
Elena Khomenko
(
Instituto de Astrofisica de Canarias
)
09:20 - 10:10
10:10
Towards a reconstruction of the annual solar Irradiance over the past 9 millennia
-
Duresa Temaj
(
Max planck Institute for Solar System Research
)
Towards a reconstruction of the annual solar Irradiance over the past 9 millennia
Duresa Temaj
(
Max planck Institute for Solar System Research
)
10:10 - 10:13
10:13
Space Weather and Earth's Climate
-
Ulrich von Kusserow
(
Private
)
Space Weather and Earth's Climate
Ulrich von Kusserow
(
Private
)
10:13 - 10:16
10:19
Radial and Latitudinal Structure of the Sun: Icosahedral Symmetry?
-
Richard Jean-Guillaume
(
Independent Scholar
)
Radial and Latitudinal Structure of the Sun: Icosahedral Symmetry?
Richard Jean-Guillaume
(
Independent Scholar
)
10:19 - 10:22
10:22
Probing chromospheric fine structures with an H_ proxy in MURaM Simulations
-
Sanghita Chandra
(
Max Planck Institute for Solar System Research
)
Probing chromospheric fine structures with an H_ proxy in MURaM Simulations
Sanghita Chandra
(
Max Planck Institute for Solar System Research
)
10:22 - 10:25
10:25
f-mode travel-time signature of sunspot models and plages
-
Khalil Daiffallah
(
Centre de Recherche en Astronomie, Astrophysique et Géophysique CRAAG
)
f-mode travel-time signature of sunspot models and plages
Khalil Daiffallah
(
Centre de Recherche en Astronomie, Astrophysique et Géophysique CRAAG
)
10:25 - 10:28
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
Solar Energetic Particles – Remote sensing and in situ observations
-
Bernd Heber
(
Christian-Albrechts-Universität Kiel
)
Solar Energetic Particles – Remote sensing and in situ observations
Bernd Heber
(
Christian-Albrechts-Universität Kiel
)
11:00 - 11:50
11:50
Dynamical processes in the Sun and non-standard solar models
-
Gaël Buldgen
(
Université de Liège
)
Dynamical processes in the Sun and non-standard solar models
Gaël Buldgen
(
Université de Liège
)
11:50 - 12:40
12:40
Lunch
Lunch
12:40 - 13:30
13:30
Understanding Solar Opacity: Fundamentals, Theoretical Foundations, and Experimental Validation
-
Taisuke Nagayama
(
Sandia National Laboratories
)
Understanding Solar Opacity: Fundamentals, Theoretical Foundations, and Experimental Validation
Taisuke Nagayama
(
Sandia National Laboratories
)
13:30 - 14:20
14:20
Experimental challenges in Underground Nuclear Astrophysics Laboratory
-
Alba Formicola
(
INFN Roma
)
Experimental challenges in Underground Nuclear Astrophysics Laboratory
Alba Formicola
(
INFN Roma
)
14:20 - 15:10
15:10
How Much Are We Missing? Observational Limits on Magnetic Helicity Transport in Emerging Magnetic Structures
-
Gwangson Choe
(
Kyung Hee University
)
How Much Are We Missing? Observational Limits on Magnetic Helicity Transport in Emerging Magnetic Structures
Gwangson Choe
(
Kyung Hee University
)
15:10 - 15:13
15:13
Simulation of sunspots in the chromopshere
-
Aswathi Krishnan Kutty
(
Max Planck Institute for Solar System Research, Goettingen, Germany
)
Simulation of sunspots in the chromopshere
Aswathi Krishnan Kutty
(
Max Planck Institute for Solar System Research, Goettingen, Germany
)
15:13 - 15:16
15:16
Uniturbulence and Alfvén wave solar model in MPI-AMRVAC
-
Max McMurdo
(
KU Leuven
)
Uniturbulence and Alfvén wave solar model in MPI-AMRVAC
Max McMurdo
(
KU Leuven
)
15:16 - 15:19
15:19
Initial steps in the inference of horizontal velocity fields in the solar atmosphere
-
Helena Vila Crespo
(
Universidad de La Laguna
)
Initial steps in the inference of horizontal velocity fields in the solar atmosphere
Helena Vila Crespo
(
Universidad de La Laguna
)
15:19 - 15:22
15:22
Quasi-Periodic Pulsations in EUV Brightenings
-
Daye Lim
(
KU Leuven
)
Quasi-Periodic Pulsations in EUV Brightenings
Daye Lim
(
KU Leuven
)
15:22 - 15:25
15:25
Active region evolution from different viewpoints
-
Hanna Strecker
(
Instituto de Astrofísica de Andalucía (IAA-CSIC)
)
Active region evolution from different viewpoints
Hanna Strecker
(
Instituto de Astrofísica de Andalucía (IAA-CSIC)
)
15:25 - 15:28
15:30
Coffee
Coffee
15:30 - 16:00
16:00
Solar Orbiter: Science Highlights and Mission Status
-
Daniel Müller
(
ESA
)
Solar Orbiter: Science Highlights and Mission Status
Daniel Müller
(
ESA
)
16:00 - 16:50
16:50
Small-Scale Structure in the Lower Solar Atmosphere
-
Nazaret Bello González
(
Institut für Sonnenphysik (KIS)
)
Small-Scale Structure in the Lower Solar Atmosphere
Nazaret Bello González
(
Institut für Sonnenphysik (KIS)
)
16:50 - 17:40
17:40
PyAstroPol: A Python Package for Polarization Ray Tracing
-
Hemanth Pruthvi
(
Thüringer Landessternwarte (TLS)
)
PyAstroPol: A Python Package for Polarization Ray Tracing
Hemanth Pruthvi
(
Thüringer Landessternwarte (TLS)
)
17:40 - 17:43
17:43
Gamma-ray angular distribution of the 3He(alpha, gamma)7Be-reaction
-
Peter Hempel
(
Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
)
Gamma-ray angular distribution of the 3He(alpha, gamma)7Be-reaction
Peter Hempel
(
Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
)
17:43 - 17:46
17:46
Using modern data to understand historical solar observations
-
Ajay Kumar Yadav
(
Max Planck Institute for Solar System Research
)
Using modern data to understand historical solar observations
Ajay Kumar Yadav
(
Max Planck Institute for Solar System Research
)
17:46 - 17:49
17:49
First 3D inversion of a solar prominence
-
Andres Vicente Arevalo
(
KIS Institute fur Sonnenphysik
)
First 3D inversion of a solar prominence
Andres Vicente Arevalo
(
KIS Institute fur Sonnenphysik
)
17:49 - 17:52
17:52
Stereoscopic disambiguation of solar vector magnetic fields using observations from SO/PHI and SDO/HMI
-
Xiang Li
(
Max Planck Institute for Solar System Research
)
Stereoscopic disambiguation of solar vector magnetic fields using observations from SO/PHI and SDO/HMI
Xiang Li
(
Max Planck Institute for Solar System Research
)
17:52 - 17:55
18:00
Dinner
Dinner
18:00 - 19:00
Tuesday 1 July 2025
08:00
Breakfast
Breakfast
08:00 - 09:00
09:00
Exploring magnetic flux cancellation from the solar photosphere to the corona.
-
Fernando Moreno Insertis
(
Instituto de Astrofisica de Canarias
)
Exploring magnetic flux cancellation from the solar photosphere to the corona.
Fernando Moreno Insertis
(
Instituto de Astrofisica de Canarias
)
09:00 - 09:50
09:50
3D rMHD sunspot models and their implications for other cool stars
-
Tanayveer Singh Bhatia
(
Max Planck Institute for Solar System Research
)
3D rMHD sunspot models and their implications for other cool stars
Tanayveer Singh Bhatia
(
Max Planck Institute for Solar System Research
)
09:50 - 10:10
10:10
Advanced Gas Target Techniques for Nuclear Astrophysics
-
Konrad Schmidt
(
HZDR
)
Advanced Gas Target Techniques for Nuclear Astrophysics
Konrad Schmidt
(
HZDR
)
10:10 - 10:13
10:13
Heating, magnetism and geometry of small-scale coronal loops
-
Eva Sola-Viladesau
(
Universidad de La Laguna
)
Heating, magnetism and geometry of small-scale coronal loops
Eva Sola-Viladesau
(
Universidad de La Laguna
)
10:13 - 10:16
10:16
Multi-line spectroscopy of a sunspot with a strong light bridge
-
Robert Kamlah
(
Leibniz-Institut für Astrophysik Potsdam
)
Multi-line spectroscopy of a sunspot with a strong light bridge
Robert Kamlah
(
Leibniz-Institut für Astrophysik Potsdam
)
10:16 - 10:19
10:19
The Daniel K. Inouye Solar Telescope observations of shock waves triggered by magnetic vortices
-
Vigeesh Gangadharan
(
Institut für Sonnenphysik (KIS)
)
The Daniel K. Inouye Solar Telescope observations of shock waves triggered by magnetic vortices
Vigeesh Gangadharan
(
Institut für Sonnenphysik (KIS)
)
10:19 - 10:22
10:22
MRI in Rotating Flows: Implications for the Solar Tachocline and Dynamo Processes
-
Ashish Mishra
(
Helmholtz-Zentrum Dresden-Rossendorf
)
MRI in Rotating Flows: Implications for the Solar Tachocline and Dynamo Processes
Ashish Mishra
(
Helmholtz-Zentrum Dresden-Rossendorf
)
10:22 - 10:25
10:25
New measurement of the 2H(p,gamma)3He reaction at Felsenkeller underground lab
-
Maria Lukyanova
(
TU Dresden
)
New measurement of the 2H(p,gamma)3He reaction at Felsenkeller underground lab
Maria Lukyanova
(
TU Dresden
)
10:25 - 10:28
10:28
NuFFER - NuPECC Forum for Early Career Researchers
-
Eliana Masha
(
Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
)
NuFFER - NuPECC Forum for Early Career Researchers
Eliana Masha
(
Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
)
10:28 - 10:30
10:30
Coffee break
Coffee break
10:30 - 11:00
11:00
Solar magnetohydrodynamics: Paradigmatic liquid-metal experiments and some theoretical aspects
-
Frank Stefani
(
Helmholtz-Zentrum Dresden-Rossendorf
)
Solar magnetohydrodynamics: Paradigmatic liquid-metal experiments and some theoretical aspects
Frank Stefani
(
Helmholtz-Zentrum Dresden-Rossendorf
)
11:00 - 11:50
11:50
The response of the Sun to Modifications of its Internal Properties
-
Francesco Villante
(
University of L'Aquila and INFN-LNGS
)
The response of the Sun to Modifications of its Internal Properties
Francesco Villante
(
University of L'Aquila and INFN-LNGS
)
11:50 - 12:40
12:40
Lunch
Lunch
12:40 - 13:30
13:30
Poster session
Poster session
13:30 - 15:30
15:30
Coffee break
Coffee break
15:30 - 16:00
16:00
Solar pp-chain reactions studied underground
-
Eliana Masha
(
HZDR
)
Solar pp-chain reactions studied underground
Eliana Masha
(
HZDR
)
16:00 - 16:50
16:50
Solar Spectropolarimetry
-
Juan Manuel Borrero
(
Institute for Solar Physics
)
Solar Spectropolarimetry
Juan Manuel Borrero
(
Institute for Solar Physics
)
16:50 - 17:40
17:40
Present knowledge of 3He(3He,2p)4He and 3He(4He,gamma)7Be.
-
Gianluca Imbriani
(
University of Naples Federico II and INFN Naples
)
Present knowledge of 3He(3He,2p)4He and 3He(4He,gamma)7Be.
Gianluca Imbriani
(
University of Naples Federico II and INFN Naples
)
17:40 - 18:00
18:00
Dinner
Dinner
18:00 - 19:00
Wednesday 2 July 2025
08:00
Breakfast
Breakfast
08:00 - 09:00
09:00
Current status of the European Solar Telescope
-
Hector Socas-Navarro
(
European Solar Telescope Foundation
)
Current status of the European Solar Telescope
Hector Socas-Navarro
(
European Solar Telescope Foundation
)
09:00 - 09:50
09:50
Solar fusion cross sections III: a nuclear physics perspective
-
Alessandra Guglielmetti
(
Università degli studi di Milano e INFN Milano
)
Solar fusion cross sections III: a nuclear physics perspective
Alessandra Guglielmetti
(
Università degli studi di Milano e INFN Milano
)
09:50 - 10:40
10:40
Coffee break
Coffee break
10:40 - 11:00
11:00
Spectropolarimetry with VTT and GREGOR: 25+ years of successful German-Spanish collaboration
-
Manuel Collados
(
Instituto de Astrofísica de Canarias - University of La Laguna
)
Spectropolarimetry with VTT and GREGOR: 25+ years of successful German-Spanish collaboration
Manuel Collados
(
Instituto de Astrofísica de Canarias - University of La Laguna
)
11:00 - 11:50
11:50
The standard solar model
-
Aldo Serenelli
(
Institute of Space Sciences (CSIC-IEEC)
)
The standard solar model
Aldo Serenelli
(
Institute of Space Sciences (CSIC-IEEC)
)
11:50 - 12:40
12:40
Lunch
Lunch
12:40 - 14:00
16:00
Excursion to Biergarten Grafenwerth
Excursion to Biergarten Grafenwerth
16:00 - 18:00
https://www.biergarten-grafenwerth.de We meet at 16:00 outside the lecture hall and then walk to Biergarten Grafenwerth (15 minutes).
18:00
Dinner
Dinner
18:00 - 19:00
Thursday 3 July 2025
08:00
Breakfast
Breakfast
08:00 - 09:00
09:00
Solar elemental abundances
-
Maria Bergemann
(
MPIA
)
Solar elemental abundances
Maria Bergemann
(
MPIA
)
09:00 - 09:50
09:50
Helioseismology at low-degree: BiSON results through solar cycles
-
Rachel Howe
(
University of Birmingham
)
Helioseismology at low-degree: BiSON results through solar cycles
Rachel Howe
(
University of Birmingham
)
09:50 - 10:40
10:40
Coffee break
Coffee break
10:40 - 11:00
11:00
DFG's Priority Programme (Schwerpunktprogramm)
-
Stefan Krückeberg
(
Deutsche Forschungsgemeinschaft / German Research Foundation
)
DFG's Priority Programme (Schwerpunktprogramm)
Stefan Krückeberg
(
Deutsche Forschungsgemeinschaft / German Research Foundation
)
11:00 - 11:30
11:30
Discussion on possible DFG SPP application in 2026
Discussion on possible DFG SPP application in 2026
11:30 - 12:30
12:30
Lunch
Lunch
12:30 - 13:30
13:30
Deutsches Zentrum für Astrophysik and Gravitational Wave Detection
-
Michèle Heurs
(
Leibniz University Hannover and DESY/DZA
)
Deutsches Zentrum für Astrophysik and Gravitational Wave Detection
Michèle Heurs
(
Leibniz University Hannover and DESY/DZA
)
13:30 - 14:20
14:20
Past solar activity
-
Natalie Krivova
(
Max Planck Institute for Solar System Research
)
Past solar activity
Natalie Krivova
(
Max Planck Institute for Solar System Research
)
14:20 - 15:10
15:10
Lateral Deformation of two Coronal Mass Ejections in the Transition from Non-radial to Radial Propagation
-
Huidong Hu
(
National Space Science Center, Chinese Academy of Sciences
)
Lateral Deformation of two Coronal Mass Ejections in the Transition from Non-radial to Radial Propagation
Huidong Hu
(
National Space Science Center, Chinese Academy of Sciences
)
15:10 - 15:30
15:30
Coffee break
Coffee break
15:30 - 16:00
16:00
The Corona of the Sun and its connection to the surface
-
Hardi Peter
(
MPI for Solar System Research, Göttingen and Institute for Solar Physics, Freiburg
)
The Corona of the Sun and its connection to the surface
Hardi Peter
(
MPI for Solar System Research, Göttingen and Institute for Solar Physics, Freiburg
)
16:00 - 16:50
16:50
TauSoL imaging spectropolarimeter: Concept and design
-
Hemanth Pruthvi
(
Thüringer Landessternwarte (TLS)
)
TauSoL imaging spectropolarimeter: Concept and design
Hemanth Pruthvi
(
Thüringer Landessternwarte (TLS)
)
16:50 - 17:10
17:10
Spectrometry of cosmic-ray neutrons with the High Efficiency Neutron Spectrometry Array
-
Álvaro Jesús Quero Ballesteros
(
Universidad de Granada
)
Spectrometry of cosmic-ray neutrons with the High Efficiency Neutron Spectrometry Array
Álvaro Jesús Quero Ballesteros
(
Universidad de Granada
)
17:10 - 17:30
18:00
Dinner
Dinner
18:00 - 19:00
Friday 4 July 2025
08:00
Breakfast
Breakfast
08:00 - 09:00
09:00
Observations of Solar Magnetic Activity
-
Carsten Denker
(
Leibniz Institute for Astrophysics Potsdam (AIP)
)
Observations of Solar Magnetic Activity
Carsten Denker
(
Leibniz Institute for Astrophysics Potsdam (AIP)
)
09:00 - 09:50
09:50
Solar neutrino measurements by Borexino and at future detectors
-
Michael Wurm
(
JGU Mainz
)
Solar neutrino measurements by Borexino and at future detectors
Michael Wurm
(
JGU Mainz
)
09:50 - 10:40
10:40
Coffee break
Coffee break
10:40 - 11:00
11:00
Global coronal models driven with Alfven and kink waves
-
Tom Van Doorsselaere
(
KU Leuven
)
Global coronal models driven with Alfven and kink waves
Tom Van Doorsselaere
(
KU Leuven
)
11:00 - 11:20
11:20
Solar neutrino flux fluctuations caused by gravity modes
-
Yoshiki Hatta
(
Nagoya University/Institute for Space-Earth Environmental Research
)
Solar neutrino flux fluctuations caused by gravity modes
Yoshiki Hatta
(
Nagoya University/Institute for Space-Earth Environmental Research
)
11:20 - 11:40
11:40
Standard Solar Model and variations with Kernels method
-
Yago Herrera
(
Institute of Space Sciences - CSIC
)
Standard Solar Model and variations with Kernels method
Yago Herrera
(
Institute of Space Sciences - CSIC
)
11:40 - 12:00
12:00
Closing
-
Aldo Serenelli
(
Institute of Space Science (ICE, CSIC)
)
Daniel Bemmerer
(
HZDR
)
Markus Roth
(
TLS Tautenburg and Uni Jena
)
Closing
Aldo Serenelli
(
Institute of Space Science (ICE, CSIC)
)
Daniel Bemmerer
(
HZDR
)
Markus Roth
(
TLS Tautenburg and Uni Jena
)
12:00 - 12:30
12:30
Lunch
Lunch
12:30 - 13:30