Reconstructing solar magnetic fields from historical observations-I. Renormalized Ca K spectroheliograms and pseudo-magnetograms AA Pevtsov, I Virtanen, K Mursula, A Tlatov, L Bertello Astronomy & Astrophysics 585, A40, 2016 | 61 | 2016 |
Photospheric and coronal magnetic fields in six magnetographs-I. Consistent evolution of the bashful ballerina I Virtanen, K Mursula Astronomy & Astrophysics 591, A78, 2016 | 44 | 2016 |
Tilt of sunspot bipoles in solar cycles 15 to 24 K Tlatova, A Tlatov, A Pevtsov, K Mursula, V Vasil’eva, E Heikkinen, ... Solar Physics 293, 1-12, 2018 | 36 | 2018 |
Asymmetry of solar polar fields and the southward shift of HCS observed by Ulysses II Virtanen, K Mursula Journal of Geophysical Research: Space Physics 115 (A9), 2010 | 36 | 2010 |
Automated identification of coronal holes from synoptic EUV maps A Hamada, T Asikainen, I Virtanen, K Mursula Solar Physics 293, 1-26, 2018 | 32 | 2018 |
Reconstructing solar magnetic fields from historical observations-II. Testing the surface flux transport model IOI Virtanen, II Virtanen, AA Pevtsov, A Yeates, K Mursula Astronomy & Astrophysics 604, A8, 2017 | 31 | 2017 |
Bihelical spectrum of solar magnetic helicity and its evolution NK Singh, MJ Käpylä, A Brandenburg, PJ Käpylä, A Lagg, I Virtanen The Astrophysical Journal 863 (2), 182, 2018 | 26 | 2018 |
North–South asymmetric solar cycle evolution: signatures in the photosphere and consequences in the corona II Virtanen, K Mursula The Astrophysical Journal 781 (2), 99, 2014 | 26 | 2014 |
Reconstructing solar magnetic fields from historical observations-V. Sunspot magnetic field measurements at Mount Wilson observatory AA Pevtsov, KA Tlatova, AA Pevtsov, E Heikkinen, I Virtanen, NV Karachik, ... Astronomy & Astrophysics 628, A103, 2019 | 22 | 2019 |
The last dance of the bashful ballerina? K Mursula, I Virtanen Astronomy & Astrophysics 525, L12, 2011 | 19 | 2011 |
Comparing coronal and heliospheric magnetic fields over several solar cycles JS Koskela, II Virtanen, K Mursula The Astrophysical Journal 835 (1), 63, 2017 | 16 | 2017 |
On a limitation of Zeeman polarimetry and imperfect instrumentation in representing solar magnetic fields with weaker polarization signal AA Pevtsov, Y Liu, I Virtanen, L Bertello, K Mursula, KD Leka, ... Journal of space weather and space climate 11, 14, 2021 | 14 | 2021 |
Effect of additional magnetograph observations from different Lagrangian points in Sun‐Earth system on predicted properties of quasi‐steady solar wind at 1 AU AA Pevtsov, G Petrie, P MacNeice, II Virtanen Space Weather 18 (7), e2020SW002448, 2020 | 12 | 2020 |
Abrupt shrinking of solar corona in the late 1990s II Virtanen, JS Koskela, K Mursula The Astrophysical Journal Letters 889 (2), L28, 2020 | 12 | 2020 |
Structure and evolution of the photospheric magnetic field in 2010–2017: comparison of SOLIS/VSM vector field and BLOS potential field II Virtanen, AA Pevtsov, K Mursula Astronomy & Astrophysics 624, A73, 2019 | 12 | 2019 |
Structure of the photospheric magnetic field during sector crossings of the heliospheric magnetic field T Getachew, I Virtanen, K Mursula Solar Physics 292, 1-19, 2017 | 12 | 2017 |
Reconstructing solar magnetic fields from historical observations-IV. Testing the reconstruction method IOI Virtanen, II Virtanen, AA Pevtsov, L Bertello, A Yeates, K Mursula Astronomy & Astrophysics 627, A11, 2019 | 11 | 2019 |
Photospheric and coronal magnetic fields in six magnetographs-III. Photospheric and coronal magnetic fields in 1974–2017 I Virtanen, K Mursula Astronomy & Astrophysics 626, A67, 2019 | 11 | 2019 |
Reconstructing solar magnetic fields from historical observations-III. Activity in one hemisphere is sufficient to cause polar field reversals in both hemispheres IOI Virtanen, II Virtanen, AA Pevtsov, K Mursula Astronomy & Astrophysics 616, A134, 2018 | 11 | 2018 |
Reconstructing solar magnetic fields from historical observations-VI. Axial dipole moments of solar active regions in cycles 21− 24 IOI Virtanen, II Virtanen, AA Pevtsov, K Mursula Astronomy & Astrophysics 632, A39, 2019 | 10 | 2019 |