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Spectroscopic Classification of ASASSN-15uk

ATel #8467; Chun Wang, X.-W. Liu, S. Dong (KIAA-PKU), J. L. Prieto (UDP/MAS)
on 27 Dec 2015; 18:40 UT
Credential Certification: Jose L. Prieto (jose.prietok@mail.udp.cl)

Subjects: Optical, Supernovae, Transient

We obtained a low-resolution optical spectrum of ASASSN-15uk (ATel #8461) on 2015 December 25.9 with the 2.16-m telescope at Xinglong Station of NAOC. Cross-correlation with a library of SN spectra using SNID (Blondin & Tonry 2007, ApJ, 666, 1024) shows that ASASSN-15uk is a Type Ia and matches best the normal SN 1999ef and the SN 1991T-like SN 2003fa at 7-9 days after maximum. The best fit SNID redshift is z=0.037 +/- 0.006.