A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary by De, K, Kasliwal, MM, Ofek, EO, Moriya, TJ, Burke, J, Cao, Y, Cenko, SB, Doran, GB, Duggan, GE, Fender, RP, Fransson, C, Gal-Yam, A, Horesh, A, Kulkarni, SR, Laher, RR, Lunnan, R, Manulis, I, Masci, F, Mazzali, PA, Nugent, PE, Perley, DA, Petrushevska, T, Piro, AL, Rumsey, C, Sollerman, J, Sullivan, M, Taddia, F

Energetic eruptions leading to a peculiar hydrogen-rich explosion of a massive star by Arcavi, I, Howell, DA, Kasen, D, Bildsten, L, Hosseinzadeh, G, McCully, C, Wong, ZC, Katz, SR, Gal-Yam, A, Sollerman, J, Taddia, F, Leloudas, G, Fremling, C, Nugent, PE, Horesh, A, Mooley, K, Rumsey, C, Cenko, SB, Graham, ML, Perley, DA, Nakar, E, Shaviv, NJ, Bromberg, O, Shen, KJ, Ofek, EO, Cao, Y, Wang, X, Huang, F, Rui, L, Zhang, T, Li, W, Li, Z, Zhang, J, Valenti, S, Guevel, D, Shappee, B, Kochanek, CS, Holoien, TW-S, Filippenko, AV, Fender, R, Nyholm, A, Yaron, O, Kasliwal, MM, Sullivan, M, Blagorodnova, N, Walters, RS, Lunnan, R, Khazov, D, Andreoni, I, Laher, RR, Konidaris, N, Wozniak, P, Bue, B