Berghmans, D.; Auchère, F.; Long, D. M.; Soubrié, E.; Mierla, M.; Zhukov, A. N.; Schühle, U.; Antolin, P.; Harra, L.; Parenti, S. et al.; Podladchikova, O.; Aznar Cuadrado, R.; Buchlin, É.; Dolla, L.; Verbeeck, C.; Gissot, S.; Teriaca, L.; Haberreiter, M.; Katsiyannis, A. C.; Rodriguez, L.; Kraaikamp, E.; Smith, P.J.; Stegen, K.; Rochus, P.; Halain, J. P.; Jacques, L.; Thompson, W. T.; Inhester, B.: Extreme-UV quiet Sun brightenings observed by the Solar Orbiter/EUI. Astronomy and Astrophysics 656, L4 (2021)

Brehm, N.; Bayliss, A.; Christl, M.; Synal, H.-A.; Adolphi, F.; Beer, J.; Kromer, B.; Muscheler, R.; Solanki, S. K.; Usoskin, I. et al.; Bleicher, N.; Bollhalder, S.; Tyers, C.; Wacker, L.: Eleven-year solar cycles over the last millennium revealed by radiocarbon in tree rings. Nature Geoscience 14 (1), pp. 10 - 15 (2021)

Cairos, L. M.; Gonzalez-Perez, J. N.; Weilbacher, P. M.; Manso Sainz, R.: MUSE observations of the blue compact dwarf galaxy Haro 14: Data analysis and first results on morphology and stellar populations. Astronomy and Astrophysics 654, A142 (2021)

Carrasco, V. M. S.; Nogales, J. M.; Vaquero, J. M.; Chatzistergos, T.; Ermolli, I.: A note on the sunspot and prominence records made by Angelo Secchi during the period 1871–1875. Journal of Space Weather and Space Climate 11, 51 (2021)

Castellanos Durán, J. S.; Lagg, A.; Solanki, S. K.: How rare are counter Evershed flows? Astronomy and Astrophysics 651, L1 (2021)

Chatzistergos, T.; Krivova, N. A.; Ermolli, I.; Yeo, K. L.; Mandal, S.; Solanki, S. K.; Kopp, G.; Malherbe, J.-M.: Reconstructing solar irradiance from historical Ca II K observations: I. Method and its validation. Astronomy and Astrophysics 656, A104 (2021)

Chen, Y.; Przybylski, D.; Peter, H.; Tian, H.; Auchère, F.; Berghmans, D.: Transient small-scale brightenings in the quiet solar corona: A model for campfires observed with Solar Orbiter. Astronomy and Astrophysics 656, L7 (2021)

Chifu, I.; Gafeira, R.: 3D Solar Coronal Loop Reconstructions with Machine Learning. The Astrophysical Journal Letters 910 (1), L10 (2021)

Chitta, L. P.; Peter, H.; Young, P.R.: Extreme-ultraviolet bursts and nanoflares in the quiet-Sun transition region and corona. Astronomy and Astrophysics 647, A159 (2021)

Chitta, L. P.; Priest, E. R.; Cheng, X.: From Formation to Disruption: Observing the Multiphase Evolution of a Solar Flare Current Sheet. The Astrophysical Journal 911 (2), 133 (2021)

Chitta, L. P.; Solanki, S. K.; Peter, H.; Aznar Cuadrado, R.; Teriaca, L.; Schühle, U.; Auchère, F.; Berghmans, D.; Kraaikamp, E.; Gissot, S. et al.; Verbeeck, C.: Capturing transient plasma flows and jets in the solar corona. Astronomy and Astrophysics 656, L13 (2021)

Cho, K.; Chae, J.; Madjarska, M. S.: Investigation of the subsurface structure of a sunspot based on the spatial distribution of oscillation centers inferred from umbral flashes. Astronomy and Astrophysics 656, A86 (2021)

Cho, K.-S.; Cho, I.-H.; Madjarska, M. S.; Nakariakov, V. M.; Yang, H.; Choi, S.; Lim, E.-K.; Lee, K.-S.; Seough, J.-J.; Lee, J. et al.; Kim, Y.-H.: On the Nature of Propagating Intensity Disturbances in Polar Plumes during the 2017 Total Solar Eclipse. The Astrophysical Journal 909 (2), 202 (2021)

Dubinin, E. M.; Fränz, M.; Pätzold, M.; Tellmann, S.; Woch, J.; McFadden, J.; Zelenyi, L.: Bursty Ion Escape Fluxes at Mars. Journal of Geophysical Research: Space Physics 126 (4), e2020JA028920 (2021)

Fludra, A.; Caldwell, M.; Giunta, A.; Grundy, T.; Guest, S.; Leeks, S.; Sidher, S.; Auchère, F.; Carlsson, M.; Hassler, D. et al.; Peter, H.; Aznar Cuadrado, R.; Buchlin, É.; Caminade, S.; DeForest, C.; Fredvik, T.; Haberreiter, M.; Harra, L.; Janvier, M.; Kucera, T.; Müller, D.; Parenti, S.; Schmutz, W.; Schühle, U.; Solanki, S. K.; Teriaca, L.; Thompson, W. T.; Tustain, S.; Williams, D.; Young, P. R.; Chitta, L. P.: First observations from the SPICE EUV spectrometer on Solar Orbiter. Astronomy and Astrophysics 656, A38 (2021)

Gent, F. A.; Mac Low, M.-M.; Käpylä, M. J.; Singh, N. K.: Small-scale Dynamo in Supernova-driven Interstellar Turbulence. The Astrophysical Journal Letters 910 (2), L15 (2021)

Grimani, C.; Andretta, V.; Chioetto, P.; Da Deppo, V.; Fabi, M.; Gissot, S.; Naletto, G.; Persici, A.; Plainaki, C.; Romoli, M. et al.; Sabbatini, F.; Spadaro, D.; Stangalini, M.; Telloni, D.; Uslenghi, M.; Antonucci, E.; Bemporad, A.; Capobianco, G.; Capuano, G.; Casti, M.; De Leo, Y.; Fineschi, S.; Frassati, F.; Frassetto, F.; Heinzel, P.; Jerse, G.; Landini, F.; Liberatore, A.; Magli, E.; Messerotti, M.; Moses, D.; Nicolini, G.; Pancrazzi, M.; Pelizzo, M. G.; Romano, P.; Sasso, C.; Schühle, U.; Slemer, A.; Straus, T.; Susino, R.; Teriaca, L.; Volpicelli, C. A.; Freiherr von Forstner, J. L.; Zuppella, P.: Cosmic-ray flux predictions and observations for and with Metis on board Solar Orbiter. Astronomy and Astrophysics 656, A15 (2021)

Hou, Z.; Tian, H.; Berghmans, D.; Chen, H.; Teriaca, L.; Schühle, U.; Gao, Y.; Chen, Y.; He, J.; Wang, L. et al.; Bai, X.: Coronal Microjets in Quiet-Sun Regions Observed with the Extreme Ultraviolet Imager on Board the Solar Orbiter. Astrophysical Journal, Letters 918 (1), L20 (2021)

Hou, Z.; Tian, H.; Berghmans, D.; Chen, H.; Teriaca, L.; Schühle, U.; Gao, Y.; Chen, Y.; He, J.; Wang, L. et al.; Bai, X.: Coronal Microjets in Quiet-Sun Regions Observed with the Extreme Ultraviolet Imager on Board the Solar Orbiter. The Astrophysical Journal 918, p. L20 (2021)

Inhester, B.; Mierla, M.; Shestov, S.; Zhukov, A.: Error Estimation of Linear Polarization Data from Coronagraphs – Application to STEREO-A/SECCHI-COR1 Observations. Solar Physics 296, 72 (2021)