Galactic Cosmic Ray Tool

If you use this tool, please cite:
E. Puzzoni, J. Giacalone, J. Sosa, J. Kóta, M. Opher, J. M. Sokół, A New Web-Based Tool for Galactic Cosmic Rays in the Heliosphere, Advances in Space Research, 2026, ISSN 0273-1177. https://doi.org/10.1016/j.asr.2026.04.121

Sunspot number data: WDC-SILSO, Royal Observatory of Belgium, Brussels. DOI: https://doi.org/10.24414/qnza-ac80

1 AU data for the best-fit parameters: Vaisanen, P., I. Usoskin, R. Kahkonen, S. Koldobskiy, K. Mursula (2023). Revised Reconstruction of the Heliospheric Modulation Potential for 1964–2022. J. Geophys. Res. (Space Phys.) 128, e2023JA031352. https://doi.org/10.1029/2023JA031352

GALPROP: Cummings, A.C., Stone, E.C., Heikkila, B.C., Lal, N., Webber, W.R., Jóhannesson, G., Moskalenko, I.V., Orlando, E., Porter, T.A., 2016. Galactic cosmic rays in the local interstellar medium: voyager 1 observations and model results. ApJ 831, 18. https://iopscience.iop.org/article/10.3847/0004-637X/831/1/18

Tree-ring data: Brehm, N., Pearson, C. L., Christl, M. et al. Tracing ancient solar cycles with tree rings and radiocarbon in the first millennium BCE. Nature Communications 16, 406 (2025). https://doi.org/10.1038/s41467-024-55757-y