Classification certificate for object 2018xx
TNS Classification Report No. 1749 [ 2018TNSCR.259....1S ]

Date Received (UTC): 2018-02-22 05:12:19
Sender: Prof. David Sand
Group: DLT40

D. Sand (Arizona), J. Strader (MSU), L. Chomiuk (MSU), A. Bahramian (MSU), L. Shishkovsky (MSU), S. Valenti (UC Davis), S. Wyatt report/s a classification of object: SN 2018xx

Type: SN Ia

Remarks: Spectral classification was performed with SNID (Blondin and Tonry 2007, ApJ, 666, 1024), with good matches to normal type Ia supernovae roughly two weeks before maximum light, in accordance with the current absolute magnitude of M_V~-16 mag. There is also a clear carbon notch (at CII 6580 Angstroms) in the spectrum.

The following Classification spectrum was provided:

Obsdate: 2018-02-22 03:54:36
Instrument: Goodman
Telescope: Southern Astrophysical Research Telescope

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