TNS Classification Report No. 21692 [ 2025TNSCR3060....1W ]

Date Received (UTC): 2025-08-03 09:24:34
Sender: Jacob Wise
Group: ZTF

Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) report/s a classification of object: SN 2025sem

Type: SN II
Redshift: 0.0242

Remarks: Spectrum displays broad hydrogen and helium P-Cygni features characteristic of a SN II. Redshift of z = 0.0242 ± 0.0011 from host galaxy narrow H-alpha emission.

The following Classification spectrum was provided:

Obsdate: 2025-08-02 21:59:14
Instrument: SPRAT
Telescope: Liverpool Telescope

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025sem