The very young type Ia supernova 2012cg: Discovery and early-time follow-up observations

Silverman, J. M.Ganeshalingham, MCenko, S BradleyFilippenko, AlexeiLi, WeidongBarth, Aaron JCarson, Daniel JChildress, MichaelClubb, Kelsey ICucchiara, AntoninoGraham, Melissa LMarion, George HowieNguyen, My LPei, LiuyiTucker , BradleyVinko, JozsefWheeler, J CraigWorseck, Gabor2015-12-102041-8205http://hdl.handle.net/1885/65726On 2012 May 17.2 UT, only 1.5 ± 0.2 days after explosion, we discovered SN 2012cg, a Type Ia supernova (SN Ia) in NGC4424 (d ≈ 15Mpc). As a result of the newly modified strategy employed by the Lick Observatory Supernova Search, a sequence of filteredAuthor/s retain copyrightKeywords: supernovae: general; supernovae: individual: SN 2012cgThe very young type Ia supernova 2012cg: Discovery and early-time follow-up observations201210.1088/2041-8205/756/1/L72016-02-24