iPTF14yb: iPTF discovery of an optical afterglow-like transient. Cenko, S. B. ; Kasliwal, M. M. ; Perley, D. A. ; Jewitt, D. ; Filippenko, A. V. ; Horesh, A. ; De Cia, A. ; Rubin, A. ; Yaron, O. ; Arcavi, I. ; Cao, Y. ; Nugent, P. E. Abstract Publication: GRB Coordinates Network Pub Date: 2014 Bibcode: 2014GCN.15883....1C