Classification certificate for object 2019kww
TNS Classification Report No. 4497 [ 2019TNSCR1186....1P ]

Date Received (UTC): 2019-07-10 17:52:51
Sender: Dr. Daniel Perley
Group: ZTF

Daniel Perley (LJMU), Lin Yan (Caltech), Ragnhild Lunnan (Stockholm), Avishay Gal-Yam, Steve Schulze, Ofer Yaron (Weizmann) report/s a classification of object: SN 2019kww

Type: SLSN-II
Redshift: 0.2723

The following Classification spectrum was provided:

Obsdate: 2019-07-02 12:33:06
Instrument: LRIS
Telescope: Keck I 10m

Remarks: Spectrum shows strong narrow emission lines associated with the host galaxy, with a broad component from the SN underlying H-alpha. The spectrum is reasonably well-matched to SN 1998s (IIn) shortly after maximum.

Details of the object and its spectra can be viewed here: https://wis-tns.weizmann.ac.il/object/2019kww