A radio map of the colliding winds in the very massive binary system HD 93129A P. Benaglia, B. Marcote, J. Moldón, E. Nelan, M. De Becker, S. M. Dougherty and B. S. Koribalski A&A, 579 (2015) A99 Published online: 07 July 2015 DOI: 10.1051/0004-6361/201425595