Yuan, FangQuimby, R.Wheeler, J. CraigVinko, JozsefChatzopoulos, E.Akerlof, C. W.Kulkarni, Shrinivas R.Miller, J. M.McKay, T. A.Aharonian, F.2015-12-132041-8205http://hdl.handle.net/1885/79277SN 2007if was the third over-luminous Type Ia supernova (SN Ia) detected after 2003fg and 2006gz. We present the photometric and spectroscopic observations of the SN and its host by ROTSE-III, HET, and Keck. From the Hα line identified in the host spectrKeywords: Supernovae: individual (SN 2007if)The exceptionally luminous type Ia supernova 2007if201010.1088/0004-637X/715/2/13382016-02-24