TNS Classification Report No. 20629 [ 2025TNSCR1136....1C ]

Date Received (UTC): 2025-03-25 11:02:24
Sender: Geza Csornyei
Group: adH0cc

G. Csoernyei, B. Leibundgut, J. Spyromilio (ESO), S. Taubenberger (TUM / MPA), W. Hillebrandt (MPA), S. Blondin (CNRS, LAM / ESO) report/s a classification of object: SN 2025dyr

Type: SN II
Redshift: 0.03426

Remarks: The SN shows broad P Cygni lines of H and He, indicating it is a Type II supernova. GELATO (Harutyunyan et al. 2008, 2008A&A...488..383H) found good matches with canonical SN II spectra two weeks after explosion. We adopted the redshift of the host for the supernova.

The following Classification spectrum was provided:

Obsdate: 2025-03-22 07:52:40
Instrument: FORS1
Telescope: The Very Large Telescope - UT1

Remarks: Quick-reduction spectrum

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