TNS Classification Report No. 22216 [ 2025TNSCR4121....1P ]

Date Received (UTC): 2025-10-14 22:45:48
Sender: Niko Pyykkinen
Group: None

Niko Pyykkinen (UTU/NOT), Kostas Valeckas (NBI/NOT), Hanindyo Kuncarayakti (UTU) report/s a classification of object: SN 2025yer

Type: SN II
Redshift: 0.037

Remarks: Redshift from host (2MASX J02195458+2950514), which matches the redshift from hostlines (~ 0.036). Object is likely a Type II SN at high galactic extinction. Weak Balmer P-Cygni features are present in the spectrum.

The following Classification spectrum was provided:

Obsdate: 2025-10-13 00:00:00
Instrument: ALFOSC
Telescope: Nordic Optical Telescope

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