Classification certificate for object 2019gfm
TNS Classification Report No. 4215 [ 2019TNSCR.938....1C ]

Date Received (UTC): 2019-06-05 20:31:09
Sender: Dr. Ting-Wan Chen
Group: None

Ting-Wan Chen report/s a classification of object: SN 2019gfm

Type: SN Ic-BL
Redshift: 0.182

Remarks: The low S/N spectrum shows a blue continuum with superposed very broad and shallow Mg II and Fe II lines, with the best match of the BL-Ic SN 2003jd at -2d. The redshift is obtained by the host galaxy redshift via the SDSS which is consistent with the SN features. Given the distance implies a transient Mg ~ -20.9 mag, the light curves appear still rising from the Zwicky Transient Facility (https://www.ztf.caltech.edu/; Kulkarni et al. 2018, ATel 11266). The luminosity is brighter than normal BL-Ic SNe, further follow up observations are encouraged. We also note that the transient is located 19.5 Kpc from the galaxy centre.

The following Classification spectrum was provided:

Obsdate: 2019-06-05 00:00:00
Instrument: SPRAT
Telescope: Liverpool Telescope

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