Photopolarimetric activity and circumstellar environment of the young binary system DF Tau D. Shakhovskoj, V. Grinin, A. Rostopchina, D. Schertl, K.-H. Hofmann, G. Weigelt, Yu. Balega, O. Kiyaeva and S. Melnikov A&A, 448 3 (2006) 1075-1082 Published online: 03 March 2006 DOI: 10.1051/0004-6361:20053936