VLT/FORS2 observations of the optical counterpart of the isolated neutron star RBS 1774R. P. Mignani, S. Zane, R. Turolla, F. Haberl, M. Cropper, C. Motch, A. Treves and L. ZampieriA&A, 530 (2011) A39DOI: https://doi.org/10.1051/0004-6361/201016362