@property<EOL><INDENT>def rs(self):<DEDENT>
if self._rs is None:<EOL><INDENT>raise AttributeError('<STR_LIT>')<EOL><DEDENT>else:<EOL><INDENT>return self._rs<EOL><DEDENT>
Cluster scale radii.

        :property: Returns scale radius in Mpc
        :type: Quantity (1D ndarray, in astropy.units of Mpc)