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Stegman, Sameen Yunus, Sanyum Channa, Schuyler D. Van Dyk, Stuart P. Littlefair, Sundar Srinivasan, Thomas de Jaeger, Thomas G. Brink, Timothy Butterley, Timothy W. Ross, Vik S. Dhillon, Viktoriya Morozova, Weikang Zheng","submitted_at":"2019-03-09T21:23:04Z","abstract_excerpt":"We present extensive optical photometric and spectroscopic observations, from 4 to 482 days after explosion, of the Type II-plateau (II-P) supernova (SN) 2017eaw in NGC 6946. SN 2017eaw is a normal SN II-P intermediate in properties between, for example, SN 1999em and SN 2012aw and the more luminous SN 2004et, also in NGC 6946. We have determined that the extinction to SN 2017eaw is primarily due to the Galactic foreground and that the SN site metallicity is likely subsolar. We have also independently confirmed a tip-of-the-red-giant-branch (TRGB) distance to NGC 6946 of 7.73+/-0.78 Mpc. 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