Probability density maps for different quantities, from top to bottom radial velocity, gas density, Eddington Γ, and radiation temperature for different models O8 (left), O4 (middle), and O2 (right). 40 snapshots have been used to create these probability density maps. The red curves represent the lateral-temporal averages. The vertical orange-dashed line is 〈R_★〉, whereas the green dash-dotted vertical lines in the top panel are 〈R_sonic〉. The cyan horizontal lines in the Γ panels are where its value is unity. The colours signify the probability of finding a quantity at a certain cell, with yellow having a higher probability and blue having a lower one.