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Spectroscopic Classification of SN 2016jfu as a Young Type IIP Supernova

ATel #9923; Danfeng Xiang, Liming Rui, Xiaofeng Wang (Tsinghua University), Qian Yang, Xuebin Wu (PKU), Feng Xiao, Zhou Fan, Tianmeng Zhang (NAOC)
on 1 Jan 2017; 12:32 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Xiaofeng Wang (wang_xf@mail.tsinghua.edu.cn)

Subjects: Optical, Supernovae, Transient

We obtained an optical spectrum (range 370-880 nm) of SN 2016jfu,discovered by Masaki Tsuboi, on UT Dec.31.9 2016 with the 2.16 m telescope at Xinglong Observatory of NAOC. The spectrum is consistent with that of a type IIP supernova at a few days after explosion. Cross-correlation with a library of supernova spectra using the spectral comparison tool Gelato (Harutyunyan et al.,2008, A&A,488, 383) shows that the spectrum matches with SN 1999gi at t= +4 days after explosion. After correcting for a redshift of 0.008 for its host galaxy NGC 4793, an expansion velocity of about 10000 km/s can be derived from the absorption minimum of Ha line.