TNS Classification Report No. 21651 [ 2025TNSCR2901....1D ]

Date Received (UTC): 2025-07-25 22:00:05
Sender: Kyle Davis
Group: UCSC

Kyle Davis (UCSC), Ryan Foley (UCSC), Kaylee de Soto (CfA), Alex Gagliano (IAIFI), Luca Izzo (INAF), W.ynn Jacobson-Galan (Caltech), Gautham Narayan (UIUC), V. Ashley Villar (CfA) report/s a classification of object: SN 2025oom

Type: SN IIn
Redshift: 0.0266

Remarks: We find a blue continuum superimposed with Hydrogen emission lines. Each line profile shows a narrow emission component (FWHM = 670 km/s) atop an intermediate-width P-cygni line with an absorption velocity of -4000 km/s.

The following Classification spectrum was provided:

Obsdate: 2025-07-25 07:52:10
Instrument: KAST
Telescope: 3m Lick Shane Reflector

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