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REalistic Simulations and ObservationaL Validation of small-scale Energy channels on the Sun

Total Cost €


EC-Contrib. €






Project "RESOLVE" data sheet

The following table provides information about the project.


Organization address
postcode: 80539
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website
 Total cost 171˙460 €
 EC max contribution 171˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-01-01   to  2018-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Sun-like stars possess magnetically confined, upper atmospheres. These coronae have temperatures of several million degrees and thus are much hotter than the underlying stellar surfaces (photospheres) which have temperatures of the order of 6000 degrees. The coronae are hotter than the photospheres because magnetic energy is generated by convective motions beneath the stellar surface and then transported through the photosphere into the corona where it is dissipated. The key to understanding the heating of the corona is to determine how, and at which spatial and temporal scales, energy is being transported into the stellar atmosphere. Both theory and simulations suggest that a substantial fraction of the energy transfer happens at spatial scales smaller than those currently observationally resolvable. The main goal of the proposed research is to bridge this gap between what we expect from theory and what we can observe. The proposed research will use numerical simulations to characterize the energy flux and look for its (spectropolarimetric) signature. This signature will then be used to create maps of the energy flux on the actual Sun using the highest-resolution observations (50-70 km) which are available: those from the 1-meter Sunrise balloon-borne observatory, and the 1.5-meter GREGOR, Europe's largest solar telescope. We will validate the diagnostics by comparing these maps of the observed energy flux into the solar atmosphere with co-spatial observations of the hot plasma structures seen in the upper atmosphere. Understanding the energy transfer combines the strengths of advanced simulations and the unprecedented observations as well as combining the expertise of world-leading solar groups in Germany and Spain. This research will have a major impact on our understanding of the heating of upper atmosphere. It is the ideal project and set of collaborations to further the experienced researcher's scientific career.


year authors and title journal last update
List of publications.
2018 H. N. Smitha, L. P. Chitta, T. Wiegelmann, S. K. Solanki
Observations of solar chromospheric heating at sub-arcsec spatial resolution
published pages: A128, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201833276
Astronomy & Astrophysics 617 2019-06-13
2018 E. R. Priest, L. P. Chitta, P. Syntelis
A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating
published pages: L24, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aad4fc
The Astrophysical Journal 862/2 2019-06-13
2018 L. P. Chitta, H. Peter, S. K. Solanki
Nature of the energy source powering solar coronal loops driven by nanoflares
published pages: L9, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201833404
Astronomy & Astrophysics 615 2019-06-13
2018 K. Barczynski, H. Peter, L.P. Chitta, S.K. Solanki
Emission of solar chromospheric and transition region features related to the underlying magnetic field
published pages: A5, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201731650
Astronomy & Astrophysics 619 2019-06-13
2017 L. P. Chitta, H. Peter, P. R. Young, Y.-M. Huang
Compact solar UV burst triggered in a magnetic field with a fan-spine topology
published pages: A49, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201730830
Astronomy & Astrophysics 605 2019-06-13
2017 L. P. Chitta, H. Peter, S. K. Solanki, P. Barthol, A. Gandorfer, L. Gizon, J. Hirzberger, T. L. Riethmüller, M. van Noort, J. Blanco Rodríguez, J. C. Del Toro Iniesta, D. Orozco Suárez, W. Schmidt, V. Martínez Pillet, M. Knölker
Solar Coronal Loops Associated with Small-scale Mixed Polarity Surface Magnetic Fields
published pages: 4, ISSN: 1538-4365, DOI: 10.3847/1538-4365/229/1/4
The Astrophysical Journal Supplement Series 229/1 2019-06-13
2018 Leping Li, Jun Zhang, Hardi Peter, Lakshmi Pradeep Chitta, Jiangtao Su, Chun Xia, Hongqiang Song, Yijun Hou
Coronal Condensations Caused by Magnetic Reconnection between Solar Coronal Loops
published pages: L4, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aad90a
The Astrophysical Journal 864/1 2019-06-13
2018 Leping Li, Jun Zhang, Hardi Peter, Lakshmi Pradeep Chitta, Jiangtao Su, Hongqiang Song, Chun Xia, Yijun Hou
Quasi-periodic Fast Propagating Magnetoacoustic Waves during the Magnetic Reconnection Between Solar Coronal Loops
published pages: L33, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aaf167
The Astrophysical Journal 868/2 2019-06-05
2018 Peter R. Young, Hui Tian, Hardi Peter, Robert J. Rutten, Chris J. Nelson, Zhenghua Huang, Brigitte Schmieder, Gregal J. M. Vissers, Shin Toriumi, Luc H. M. Rouppe van der Voort, Maria S. Madjarska, Sanja Danilovic, Arkadiusz Berlicki, L. P. Chitta, Mark C. M. Cheung, Chad Madsen, Kevin P. Reardon, Yukio Katsukawa, Petr Heinzel
Solar Ultraviolet Bursts
published pages: , ISSN: 0038-6308, DOI: 10.1007/s11214-018-0551-0
Space Science Reviews 214/8 2019-06-05
2019 L. P. Chitta, A. R. C. Sukarmadji, L. Rouppe van der Voort, H. Peter
Energetics of magnetic transients in solar active region plage
published pages: , ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834548
Astronomy & Astrophysics 2019-06-05
2019 P. Syntelis, E. R. Priest, L. P. Chitta
A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating. II. 2D Theory and Simulations
published pages: 32, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aafaf8
The Astrophysical Journal 872/1 2019-06-05

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