Constraints on core-collapse supernova progenitors from explosion site integral field spectroscopy H. Kuncarayakti, J. P. Anderson, L. Galbany, K. Maeda, M. Hamuy, G. Aldering, N. Arimoto, M. Doi, T. Morokuma and T. Usuda A&A, 613 (2018) A35 Published online: 28 May 2018 DOI: 10.1051/0004-6361/201731923