TNS Classification Report No. 22126 [ 2025TNSCR3937....1S ]
Date Received (UTC): 2025-09-30 12:48:21 Sender: Shubham Srivastav
Group: OxQUB
S. Srivastav (Oxford), M. Fulton, M. Nicholl, C. R. Angus, K. W. Smith, D. R. Young, A. Aamer, D. Magill, T. Moore, X. Sheng, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), J. H. Gillanders, H. F. Stevance, F. Stoppa (Oxford), T.-W. Chen (NCU) report/s a classification of object: SN 2025yth
Type: SN IaRedshift: 0.018
Remarks: Young SN Ia. SNID-SAGE* shows good matches with normal SNe Ia around 2 weeks before maximum. Known host galaxy redshift from NED. *SNID-SAGE is an enhanced python version of SNID, Stoppa et al. in prep (https://github.com/FiorenSt/SNID-SAGE)
The following Classification spectrum was provided:
Obsdate: 2025-09-29 01:53:00
Instrument: SPRAT
Telescope: Liverpool Telescope
Details of the object and its spectra can be viewed here: https://sandbox.wis-tns.org/object/2025yth
Date Received (UTC): 2025-09-30 12:48:21 Sender: Shubham Srivastav
Group: OxQUB
S. Srivastav (Oxford), M. Fulton, M. Nicholl, C. R. Angus, K. W. Smith, D. R. Young, A. Aamer, D. Magill, T. Moore, X. Sheng, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), J. H. Gillanders, H. F. Stevance, F. Stoppa (Oxford), T.-W. Chen (NCU) report/s a classification of object: SN 2025yth
Type: SN IaRedshift: 0.018
Remarks: Young SN Ia. SNID-SAGE* shows good matches with normal SNe Ia around 2 weeks before maximum. Known host galaxy redshift from NED. *SNID-SAGE is an enhanced python version of SNID, Stoppa et al. in prep (https://github.com/FiorenSt/SNID-SAGE)
The following Classification spectrum was provided:
Obsdate: 2025-09-29 01:53:00
Instrument: SPRAT
Telescope: Liverpool Telescope
Details of the object and its spectra can be viewed here: https://sandbox.wis-tns.org/object/2025yth