VLT/UVES spectroscopy of Wray 977, the hypergiant companion to the X-ray pulsar GX301-2 L. Kaper, A. van der Meer and F. Najarro A&A, 457 2 (2006) 595-610 Published online: 12 September 2006 DOI: 10.1051/0004-6361:20065393