Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Ophiuchus veter. - Oph
           (Star system) ρ Ophiuchi
             162535.1-232646 (Star) ρ Ophiuchi B
             162535.2-232650 (Star) ρ Ophiuchi A