2079 20160701171658.0 ASTROimport-236 Zorec, J. 2005 Multi headed H alpha emission line profiles The Halpha emission line profile of Be stars have sometimes three or more peaks. The same type of line profile is also found in active objects with the B[e] phenomenon. In this contribution we discuss the formation of such emission line profiles in terms of rapidly expanding circumstellar rings. FULL TEXT IN SPANISH Arias, M. L. Frémat, Y. Boletin de la Asociacion Argentina de Astronomia La Plata Argentina 48 2005 263-266 http://esoads.eso.org/abs/2005BAAA...48..263Z published in REFERD