Distribution around one single Ir-source
1 Gy at 1 cm distance for a source
strength 4.21 cGy/hcm2
15.6 sec
1 Gy at 2 cm distance for a source
strength 4.21 cGy/hcm2
62.4 sec
Dose along the transversal axis is reduced
according to the inverse square law function