Free Access
Issue
A&A
Volume 647, March 2021
Article Number L12
Number of page(s) 5
Section Letters to the Editor
DOI https://doi.org/10.1051/0004-6361/202140392
Published online 25 March 2021
  1. Bain, H. M., Krucker, S., Saint-Hilaire, P., & Raftery, C. L. 2014, ApJ, 782, 43 [NASA ADS] [CrossRef] [Google Scholar]
  2. Balmaceda, L. A., Vourlidas, A., Stenborg, G., & St Cyr, O. C., 2020, Sol. Phys., 295, 107 [Google Scholar]
  3. Bastian, T. S. 2007, ApJ, 665, 805 [NASA ADS] [CrossRef] [Google Scholar]
  4. Bastian, T. S., Benz, A. O., & Gary, D. E. 1998, ARA&A, 36, 131 [NASA ADS] [CrossRef] [Google Scholar]
  5. Bastian, T. S., Pick, M., Kerdraon, A., Maia, D., & Vourlidas, A. 2001, ApJ, 558, L65 [NASA ADS] [CrossRef] [Google Scholar]
  6. Boischot, A., & Clavelier, B. 1968, in Structure and Development of Solar Active Regions, ed. K. O. Kiepenheuer, IAU Symp., 35 [Google Scholar]
  7. Boischot, A., Rosolen, C., Aubier, M. G., et al. 1980, Icarus, 43, 399 [NASA ADS] [CrossRef] [Google Scholar]
  8. Brueckner, G. E., Howard, R. A., Koomen, M. J., et al. 1995, Sol. Phys., 162, 357 [NASA ADS] [CrossRef] [Google Scholar]
  9. Cairns, I. H., & Robinson, R. D. 1987, Sol. Phys., 111, 365 [NASA ADS] [CrossRef] [Google Scholar]
  10. Démoulin, P., Vourlidas, A., Pick, M., & Bouteille, A. 2012, ApJ, 750, 147 [NASA ADS] [CrossRef] [Google Scholar]
  11. Dulk, G. A. 1973, Sol. Phys., 32, 491 [NASA ADS] [CrossRef] [Google Scholar]
  12. Frassati, F., Mancuso, S., & Bemporad, A. 2020, Sol. Phys., 295, 124 [Google Scholar]
  13. Gergely, T. E. 1986, Sol. Phys., 104, 175 [NASA ADS] [CrossRef] [Google Scholar]
  14. Gopalswamy, N. 2006, Geophys. Monograph-Am. Geophys. Union, 165, 207 [Google Scholar]
  15. Howard, R. A., Moses, J. D., Vourlidas, A., et al. 2008, Space Sci. Rev., 136, 67 [NASA ADS] [CrossRef] [Google Scholar]
  16. Kahler, S. W., Ling, A. G., & Gopalswamy, N. 2019, Sol. Phys., 294, 134 [Google Scholar]
  17. Kaiser, M. L., Kucera, T. A., Davila, J. M., et al. 2008, Space Sci. Rev., 136, 5 [NASA ADS] [CrossRef] [Google Scholar]
  18. Kerdraon, A., & Delouis, J. M. 1997, in Coronal Physics from Radio and Space Observations, ed. G. Trottet (Berlin: Springer Verlag), Lecture Notes Phys., 483, 192 [NASA ADS] [CrossRef] [Google Scholar]
  19. Klassen, A., Bothmer, V., Mann, G., et al. 2002, A&A, 385, 1078 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  20. Kumari, A., Ramesh, R., Kathiravan, C., & Gopalswamy, N. 2017, ApJ, 843, 10 [Google Scholar]
  21. Kumari, A., Morosan, D. E., & Kilpua, E. K. J. 2021, ApJ, 906, 79 [Google Scholar]
  22. Lugaz, N., Farrugia, C. J., Winslow, R. M., et al. 2017, ApJ, 848, 75 [Google Scholar]
  23. Manchester, W., Kilpua, E. K. J., Liu, Y. D., et al. 2017, Space Sci. Rev., 212, 1159 [Google Scholar]
  24. Mancuso, S., Frassati, F., Bemporad, A., & Barghini, D. 2019, A&A, 624, L2 [CrossRef] [EDP Sciences] [Google Scholar]
  25. Mann, G., & Klassen, A. 2005, A&A, 441, 319 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  26. Michalek, G., Gopalswamy, N., & Xie, H. 2007, Sol. Phys., 246, 409 [Google Scholar]
  27. Morosan, D. E., Carley, E. P., Hayes, L. A., et al. 2019a, Nat. Astron., 3, 452 [NASA ADS] [CrossRef] [Google Scholar]
  28. Morosan, D. E., Kilpua, E. K. J., Carley, E. P., & Monstein, C. 2019b, A&A, 623, A63 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  29. Morosan, D. E., Palmerio, E., Pomoell, J., et al. 2020a, A&A, 635, A62 [CrossRef] [EDP Sciences] [Google Scholar]
  30. Morosan, D. E., Palmerio, E., Räsänen, J. E., et al. 2020b, A&A, 642, A151 [EDP Sciences] [Google Scholar]
  31. Nelson, G. J., & Melrose, D. B. 1985, in IN: Solar Radiophysics: Studies of Emission From the Sun at Metre Wavelengths, eds. D. J. McLean, & N. R. Labrum (Cambridge and New York: Cambridge University Press), 333 [Google Scholar]
  32. Roberts, J. A. 1959, Aust. J. Phys., 12, 327 [NASA ADS] [CrossRef] [Google Scholar]
  33. Salas-Matamoros, C., & Klein, K.-L. 2020, A&A, 639, A102 [EDP Sciences] [Google Scholar]
  34. SILSO World Data Center 2009–2015, International Sunspot Number Monthly Bulletin and Online Catalogue [Google Scholar]
  35. Tun, S. D., & Vourlidas, A. 2013, ApJ, 766, 130 [NASA ADS] [CrossRef] [Google Scholar]
  36. Vasanth, V., Chen, Y., Lv, M., et al. 2019, ApJ, 870, 30 [CrossRef] [Google Scholar]
  37. Zucca, P., Carley, E. P., McCauley, J., et al. 2012, Sol. Phys., 280, 591 [NASA ADS] [CrossRef] [Google Scholar]

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.