code: def instantaneous_maxr(self):
          
          logger.debug("{}.instantaneous_maxr".format(self.component))
  
          if 'maxr' not in self.inst_vals.keys():
              logger.debug("{}.instantaneous_maxr COMPUTING".format(self.component))
  
              self.inst_vals['maxr'] = max(self.mesh.rs.centers*self._scale)
  
          return self.inst_vals['maxr']
docs: Recall the maximum r (triangle furthest from the center of the star) of
          this star at the given time
  
          :return: maximum r
          :rtype: float