RA/DEC (2000)
01:28:38.006 +51:41:10.16
22.1583602 +51.6861551
Type
SN Ia
Redshift
0.0455
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-10-05 08:06:40.003
TNS AT
Y
Public
Y
Discovery Mag
18.3185
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2025zpl - 2025-10-08 00:46:10 LT / SPRAT (ZTF)z=
Show H at z=vexp= km/s
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Show Si II at z=vexp= km/s
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Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_g
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22172 2025-10-08 00:46:10 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025zpl_2025-10-08_00-46-10.321_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2025-10-03 09:53:00 - 2025-10-05 08:06:40 2460951.9118056 - 2460953.837963 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522369 2025-10-05 08:06:40 2460953.837963 18.3185 0.0743651 19.7398 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
522368 2025-10-03 09:53:00 2460951.9118056 20.5742 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
272552 2025-10-05 20:56:21 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 01:28:38.006 +51:41:10.16 2025-10-05 08:06:40.003 18.3185 g-ZTF PSN ZTF25abvsiit ZTF Early SN candidate (g-rise > 1.17+-0.04 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25abvsiit 2025TNSTR4007....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22172 2025-10-08 02:50:46 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (Caltech), Zoe McGrath (LJMU) ZTF SN Ia 0.0455 1 ZTF Spectrum is fit by template spectra from previously classified SN Ia at a redshift of z = 0.0455 ± 0.0055. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). We encourage additional follow-up to better constrain the transient's redshift and subtype. 2025TNSCR4047....1W
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22172 2025-10-08 00:46:10 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025zpl_2025-10-08_00-46-10.321_LT_SPRAT_ZTF.spec Object

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