TNS Classification Report No. 22204 [ 2025TNSCR4109....1A ]
Date Received (UTC): 2025-10-13 16:20:57 Sender: Steve Schulze
Group: ZTF
Amar Aryan (NCU), Daniel A. Perley (LJMU), Steve Schulze (CIERA, NU), Avinash Singh (OKC, SU) report on behalf of the ZTF SLSN Science Working Group report/s a classification of object: SN 2025yjj
Type: SLSN-IRedshift: 0.2125
Remarks: We matched the spectrum with NGSF (Goldwasser et al., 2022, AstroNote, 2022-191) and SNID-SAGE (Stoppa et al., https://github.com/FiorenSt/SNID-SAGE). We get good matches with SLSN-I templates at z=0.2125.
The following Classification spectrum was provided:
Obsdate: 2025-10-12 20:45:20
Instrument: ALFOSC
Telescope: Nordic Optical Telescope
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025yjj
Date Received (UTC): 2025-10-13 16:20:57 Sender: Steve Schulze
Group: ZTF
Amar Aryan (NCU), Daniel A. Perley (LJMU), Steve Schulze (CIERA, NU), Avinash Singh (OKC, SU) report on behalf of the ZTF SLSN Science Working Group report/s a classification of object: SN 2025yjj
Type: SLSN-IRedshift: 0.2125
Remarks: We matched the spectrum with NGSF (Goldwasser et al., 2022, AstroNote, 2022-191) and SNID-SAGE (Stoppa et al., https://github.com/FiorenSt/SNID-SAGE). We get good matches with SLSN-I templates at z=0.2125.
The following Classification spectrum was provided:
Obsdate: 2025-10-12 20:45:20
Instrument: ALFOSC
Telescope: Nordic Optical Telescope
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025yjj