HD 172189, a cluster member binary system with a delta Scuti component in the field of view of COROT - Amado, Pedro J.; Martin-Ruiz, Susana; Suarez, Juan Carlos; Ferro, Armando Arellano; Moya, Andres; Ribas, Ignasi; Poretti, Ennio; (Astrophysics And Space Science, 2006)