Proper motions and CCD-photometry of stars in the region of the open cluster Trumpler 2 V. N. Frolov, J. K. Ananjevskaja, E. G. Jilinski, D. L. Gorshanov and N. M. Bronnikova A&A, 451 3 (2006) 901-907 Published online: 04 May 2006 DOI: 10.1051/0004-6361:20042557