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 IaRedshift: 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
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 IaRedshift: 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

