TNS Classification Report No. 8780 [ 2021TNSCR.353....1G ]

Date Received (UTC): 2021-02-05 20:53:39
Sender: Sebastian Gomez
Group: FLEET

Sebastian Gomez, Griffin Hosseinzadeh, Edo Berger (Harvard CfA) Peter Blanchard (Northwestern) report/s a classification of object: SN 2021ali

Type: SLSN-II
Redshift: 0.192

Remarks: AT2021ali was selected as a superluminous supernova candidate using FLEET (Gomez et al., 2020, ApJ, 904, 74) with a probability P(SLSN) = 0.45. The presence of balmer lines implies a redshift of z = 0.192. This makes the peak luminosity of the transient M_r = -20.1.

The following Classification spectrum was provided:

Obsdate: 2021-01-21 00:00:00
Instrument: LDSS-3
Telescope: Landon T. Clay Magellan 6.5-m telescope (LCO)

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2021ali