Arp 65 interaction debris: massive H I displacement and star formation C. Sengupta, T. C. Scott, S. Paudel, D. J. Saikia, K. S. Dwarakanath and B. W. Sohn A&A, 584 (2015) A114 Published online: 02 December 2015 DOI: 10.1051/0004-6361/201425149