Classification certificate for object 2018yi
TNS Classification Report No. 1782 [ 2018TNSCR.364....1T ]

Date Received (UTC): 2018-03-18 16:27:18
Sender: Mr. Michael Tucker
Group: ASAS-SN

Michael A. Tucker, Benjamin J. Shappee (IfA, Hawaii), Subo Dong, S. Bose, Ping Chen (KIAA-PKU) report/s a classification of object: SN 2018yi

Type: SN Ia

Remarks: Spectral Classification of Astronomical Transients (SCAT) reports the classification of ASASSN-18du (2018yi) using the SNIFS spectrograph on the UH 88-inch telescope. Using SNID cross-correlation (Blondin & Tonry 2007) we find a phase of 17 +/- 28 d.

The following Classification spectrum was provided:

Obsdate: 2018-03-18 00:53:16
Instrument: SNIFS
Telescope: UH 88inch

Remarks: Spectrum reduced using automated quick reduction with no flux or telluric correction applied.

Details of the object and its spectra can be viewed here: https://wis-tns.weizmann.ac.il/object/2018yi