@property<EOL><INDENT>def einstein_radius_rescaled(self):<DEDENT>
return ((<NUM_LIT:3> - self.slope) / (<NUM_LIT:1> + self.axis_ratio)) * self.einstein_radius ** (self.slope - <NUM_LIT:1>)<EOL>
Rescale the einstein radius by slope and axis_ratio, to reduce its degeneracy with other mass-profiles
        parameters