TNS Classification Report No. 20920 [ 2025TNSCR1590....1W ]
Date Received (UTC): 2025-04-29 10:43:41 Sender: Jacob Wise
Group: ZTF
Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) report/s a classification of object: SN 2025gzd
Type: SN IaRedshift: 0.059828
Remarks: Spectrum is well-fit by template spectra from previously classified SN Ia. Redshift of z = 0.059828 ± 0.000150 from The 6dF Galaxy Survey Data Release 3. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). We note that this is a simultaneous sibling supernova of the SN Ia 2025ewa, separated by ~2".
The following Classification spectrum was provided:
Obsdate: 2025-04-28 22:20:10
Instrument: SPRAT
Telescope: Liverpool Telescope
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025gzd
Date Received (UTC): 2025-04-29 10:43:41 Sender: Jacob Wise
Group: ZTF
Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) report/s a classification of object: SN 2025gzd
Type: SN IaRedshift: 0.059828
Remarks: Spectrum is well-fit by template spectra from previously classified SN Ia. Redshift of z = 0.059828 ± 0.000150 from The 6dF Galaxy Survey Data Release 3. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). We note that this is a simultaneous sibling supernova of the SN Ia 2025ewa, separated by ~2".
The following Classification spectrum was provided:
Obsdate: 2025-04-28 22:20:10
Instrument: SPRAT
Telescope: Liverpool Telescope
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025gzd