TNS Classification Report No. 22410 [ 2025TNSCR4585....1H ]

Date Received (UTC): 2025-11-14 20:15:46
Sender: Xander Hall
Group: GW-MMADS

Xander J. Hall (CMU), Tomás Cabrera (CMU), Lei Hu (CMU), Antonella Palmese (CMU), Igor Andreoni (UNC), Keerthi Kunnumkai (CMU), Brendan O’Connor (CMU), on behalf of the Gravitational Wave MultiMessenger Astronomy DECam Survey (GW-MMADS) team report/s a classification of object: SN 2025addc

Type: SN Ia
Redshift: 0.1468

Remarks: NGSF best match is to a Ia-norm 2011by

The following Classification spectrum was provided:

Obsdate: 2025-11-14 00:00:00
Instrument: RSS
Telescope: Southern African Large Telescope

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