A VLT/FLAMES survey for massive binaries in Westerlund 1 - IV. Wd1-5 – binary product and a pre-supernova companion for the magnetar CXOU J1647-45?J. S. Clark, B. W. Ritchie, F. Najarro, N. Langer and I. NegueruelaA&A, 565 (2014) A90DOI: https://doi.org/10.1051/0004-6361/201321771
