For four different instants (one per line), we plot the encounter distance of stars versus the time of encounter counted from the perihelion passage of an injected comet (t = 0). The two curves indicate at which distance the comet would have been on a parabolic (dotted) or elliptic orbit (solid; the comet being at aphelion in this case). The black dots correspond to all the simulated stars passing during the 3 Myr time span. In the left column, the sky-blue dots show the stars detected by Hipparcos. The same is done using red dots in the right column for the stars detected by Gaia. The green asterisks indicate the real stars identified by Dybczyński (2006). His sample extends to larger encounter distances than those of our simulation.