A 12.4-day periodicity in a close binary system after a supernova

Ping Chen, A. Gal‐Yam, J. Sollerman, S. Schulze, R. S. Post, Chang Liu, E. O. Ofek, Kaustav K. Das, C. Fremling, A. Horesh, Boaz Katz, Doron Kushnir, M. M. Kasliwal, Shri Kulkarni, Dezi Liu, Xiangkun Liu, Adam A. Miller, K. Rose, Eli Waxman, S. Yang, Yuhan Yao, Barak Zackay, Eric C. Bellm, Richard Dekany, A. J. Drake, Yuan Fang, J. P. U. Fynbo, Steven L. Groom, G. Hélou, I. Irani, Theophile Jegou du Laz, Xiaowei Liu, P. A. Mazzali, James D. Neill, Yu-Jing Qin, Reed Riddle, Amir Sharon, N. L. Strotjohann, Avery Wold, Lin Yan