Wilhelm, K.; Dwivedi, B. N.: Anomalous Sun Flyby of 1I/2017 U1 (‘Oumuamua). Galaxies 8 (4), 83 (2020)

Willamo, T.; Hackman, T.; Lehtinen, J.; Käpylä, M. J.; Olspert, N.; Viviani, M.; Warnecke, J.: Shapes of stellar activity cycles. Astrophysics & Astronomy 638, A69 (2020)

Williams, T.; Walsh, R.W.; Peter, H.; Winebarger, A.R.: Evidence for and Analysis of Multiple Hidden Coronal Strands in Cross-sectional Emission Profiles: Further Results from NASA's High-resolution Solar Coronal Imager. The Astrophysical Journal 902 (2), 90 (2020)

Williams, T.; Walsh, R. W.; Winebarger, A. R.; Brooks, D. H.; Cirtain, J. W.; Pontieu, B. D.; Golub, L.; Kobayashi, K.; McKenzie, D. E.; Morton, R. J. et al.; Peter, H.; Rachmeler, L. A.; Savage, S. L.; Testa, P.; Tiwari, S. K.; Warren, H. P.; Watkinson, B. J.: Is the High-Resolution Coronal Imager Resolving Coronal Strands? Results from AR 12712. The Astrophysical Journal 892 (2), 134 (2020)

Witzke, V.; Reinhold, T.; Shapiro, A.; Krivova, N. A.; Solanki, S. K.: Effect of metallicity on the detectability of rotational periods in solar-like stars. Astronomy and Astrophysics 634, L9 (2020)

Yadav, N.; Cameron, R. H.; Solanki, S. K.: Simulations Show that Vortex Flows Could Heat the Chromosphere in Solar Plage. Astrophysical Journal, Letters 894 (2), L17 (2020)

Yang, C.; Zhao, B.; Jin, Y.; Huang, C.; Yao, X.; Wan, W.: Climatology of Nighttime Upper Thermospheric Winds From Fabry-Perot Interferometer 2011–2019 Measurements Over Kelan (38.7°N, 111.6°E), China: Local Time, Seasonal, Solar Cycle, and Geomagnetic Activity Dependence. Journal of Geophysical Research: Space Physics 125 (9), e2020JA027892 (2020)

Yang, S.; Zhang, Q.; Xu, Z.; Zhang, J.; Zhong, Z.; Guo, Y.: Imaging and Spectral Study on the Null Point of a Fan-spine Structure During a Solar Flare. The Astrophysical Journal 898 (2), 101 (2020)

Yang, Z.; Bethge, C.; Tian, H.; Tomczyk, S.; Morton, R.; Zanna, G. D.; McIntosh, S. W.; Karak, B. B.; Gibson, S.; Samanta, T. et al.; He, J.; Chen, Y.; Wang, L.: Global maps of the magnetic field in the solar corona. Science 369 (6504), pp. 694 - 697 (2020)

Yang, Z.; Tian, H.; Tomczyk, S.; Morton, R.; Bai, X.; Tanmoy, S.; Chen, Y.: Mapping the magnetic field in the solar corona through magnetoseismology. Science China Technologiacal Science (2020)

Yelles Chaouche, L.; Cameron, R. H.; Solanki, S. K.; Riethmüller, T.; Anusha, L. S.; Witzke, V.; Shapiro, A.; Barthol, P.; Gandorfer, A. M.; Gizon, L. et al.; Hirzberger, J.; van Noort, M.; Blanco Rodríguez, J.; Del Toro Iniesta, J. C.; Orozco Suárez, D.; Schmidt, W.; Martínez Pillet, V.; Knölker, M.: Power spectrum of turbulent convection in the solar photosphere. Astronomy and Astrophysics 644, A44 (2020)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.: How faculae and network relate to sunspots, and the implications for solar and stellar brightness variations. Astronomy and Astrophysics 639, A139 (2020)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.: How faculae and network relate to sunspots, and the implications for solar and stellar brightness variations (Corrigendum). Astronomy and Astrophysics 642, C2 (2020)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.; Rempel, M.; Anusha, L. S.; Shapiro, A.; Tagirov, R.; Witzke, V.: The dimmest state of the Sun. Geophysical Research Letters 47 (19), e2020GL090243 (2020)

Zeuner, F.; Manso Sainz, R.; Feller, A.; van Noort, M.; Solanki, S. K.; Iglesias, F. A.; Reardon, K.; Pillet, V. M.: Solar Disk Center Shows Scattering Polarization in the Sr i 4607 Å Line. The Astrophysical Journal Letters 893 (2), L44 (2020)

Zhang, J.; Shapiro, A.; Bi, S.; Xiang, M.; Reinhold, T.; Sowmya, K.; Li, Y.; Li, T.; Yu, J.; Du, M. et al.; Zhang, X.: Solar-type Stars Observed by LAMOST and Kepler. The Astrophysical Journal Letters 894 (1), L11 (2020)

Zhou, X.; Muñoz, P. A.; Büchner, J.; Liu, S.: Wave Excitation by Energetic Ring-distributed Electron Beams in the Solar Corona. The Astrophysical Journal 891 (1), 92 (2020)

Zhu, X.; Wiegelmann, T.; Inhester, B.: Preprocessing of vector magnetograms for magnetohydrostatic extrapolations. Astronomy and Astrophysics 644, A57 (2020)

Zhu, X.; Wiegelmann, T.; Solanki, S. K.: Magnetohydrostatic modeling of AR11768 based on a S UNRISE/IMaX vector magnetogram. Astronomy and Astrophysics 640, A103 (2020)

Zhuleku, J.; Warnecke, J.; Peter, H.: Stellar coronal X-ray emission and surface magnetic flux. Astronomy and Astrophysics 640, A119 (2020)