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Classification of ASASSN-16ab as a pre-maximum type II SN

ATel #8505; A. S. Piascik, I. A. Steele (Liverpool JMU)
on 4 Jan 2016; 12:21 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Iain Steele (iainsteele@mac.com)

Subjects: Optical, Supernovae, Transient

We conducted a spectroscopic observation of transient ASASSN-16ab at 2016-01-04T02:36:24 UT. This transient was identified in ATel #8502 by the All Sky Automated Survey for SuperNovae (ASAS-SN). A spectrum was obtain in the visible, 400-800nm, with resolution R~350, using the SPRAT spectrograph on the Liverpool Telescope located at Roque de los Muchachos. Classification with SNID (Blondin and Tonry 2007, ApJ, 666, 1024) indicates it is a pre-maximum type II SN with a spectrum matching SN2004et at -3 days.

Liverpool Telescope