Table 1 Heliospheric modulation, and geomagnetic field coefficients used for the simulations

From: Earth’s atmosphere protects the biosphere from nearby supernovae

Monthly (Jan–Dec) cosmic ray modulation Φ [MV]:

271, 316, 347, 376, 361, 371, 377, 388, 388, 374, 389, 412

Schmidt semi-normalised spherical harmonic geomagnetic field coefficients:

−29496.57, −1586.42, 4944.26, −2396.06, 3026.34, −2708.54, 1668.17, −575.73