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Spectroscopic Classification of the SN in NGC 4790

ATel #3968; Alicia Soderberg, Jason Dittmann, Brian Claus, Thomas Esty, Sam Harrison, Taryn Kurcz, Yale Michaels, Miruna Oprescu, Diana Powell, Josh Speagle, Aziza Suleynanzade, Corinne Tu, Natania Wolansky (Harvard University)
on 15 Mar 2012; 06:40 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Alicia M. Soderberg (asoderberg@cfa.harvard.edu)

Subjects: Optical, Supernovae

Referred to by ATel #: 3971

We observed the bright supernova candidate in NGC 4790 (Howerton et al. ATEL #3967) with the Mount Hopkins FLWO 1.5m telescope and the FAST spectrograph on Mar 15 06:56 UT. We find that the supernova most closely resembles a Type Ib supernova with prominent helium features. Using SNID we find best matches to SN1998dt and SN2005bf around maximum light.