Classification certificate for object 2018gsk
TNS Classification Report No. 2801 [ 2018TNSCR1437....1P ]

Date Received (UTC): 2018-09-23 12:07:35
Sender: Dr. Simon Prentice
Group: None

S. J. Prentice (QUB) report/s a classification of object: SN 2018gsk

Type: SN Ic
Redshift: 0.0116

Remarks: Using Gelato (Harutyunyan et al., 2008, A&A, 488, 383) and DASH (https://github.com/daniel-muthukrishna/astrodash), the transient spectrum matches several pre-peak SNe Ic-6/7 (Prentice & Mazzali, 2017). The best match is to Ic-7 SN 2005az less than a week before maximum light.

The following Classification spectrum was provided:

Obsdate: 2018-09-23 05:37:55
Instrument: SPRAT
Telescope: Liverpool Telescope

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