TNS Classification Report No. 22776 [ 2026TNSCR.190....1M ]

Date Received (UTC): 2026-01-16 12:11:15
Sender: Antonio Martin-Carrillo
Group: None

Antonio Martin-Carrillo (UCD), G. Corcoran (UCD), A. de Ugarte Postigo (LAM), B. Schneider (LAM), A. M. Watson (UNAM), N. Globus (UNAM), F. Agui Fernandez (CAHA), M. A. Aloy (UV), S. Basa (UAR Pytheas), A. Cabrera-Lavers(IAC), J. P. U. Fynbo (DAWN/NBI), L. Galbany (IEEC-CSIC), S. Geier (GTC), L. Izzo (INAF/OACN and DARK/NBI), G. Lombardi (GTC), D. López-Cámara (UNAM), D. B. Malesani (DAWN/NBI and Radboud), N. R. Tanvir (Univ. Leicester), C. C. Thoene (AbAO), N. A. Rakotondrainibe (LAM) report/s a classification of object: SN 2025alij

Type: SN Ia
Redshift: 0.256

Remarks: Classification based on template comparison using SNID. Excellent match with SN 1990N at +17 days. The redshift was obtained from emission lines seen in the spectrum. SNID also returned a consistent redshift.

The following Classification spectrum was provided:

Obsdate: 2026-01-16 00:00:00
Instrument: OSIRIS
Telescope: Gran Telescopio Canarias

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