RA/DEC (2000)
18:39:16.942 +56:14:14.82
279.8205937 +56.237449
Type
SN Ia
Redshift
0.043874
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-02-01 12:28:26.996
TNS AT
Y
Public
Y
Discovery Mag
17.5092
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026bzn - 2026-02-03 12:44:46 P60 / SEDM (ZTF)z=
 ▌SN_2026bzn - 2026-02-03 12:44:46 P60 / SEDM (ZTF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
22909 2026-02-03 12:44:46 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026bzn_2026-02-03_12-44-46.141227_P60_SEDM_ZTF_0.ascii Object
22907 2026-02-03 12:44:46 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026bzn_2026-02-03_12-44-46.141227_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2026-02-01 12:49:43 - 2026-02-01 12:49:43 2461073.0345255 - 2461073.0345255 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555471 2026-02-01 12:49:43 2461073.0345255 17.5431 0.0797891 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-01-28 12:17:19 - 2026-02-01 12:28:27 2461069.0120255 - 2461073.0197569 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555470 2026-02-01 12:28:27 2461073.0197569 17.5092 0.0604074 ABMag g-ZTF P48_ZTF-Cam
555469 2026-01-28 12:17:19 2461069.0120255 18.1261 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-07 05:17:47 - 2026-01-30 15:30:51 2461016.72068 - 2461071.14642 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556024 2026-01-30 15:30:51 2461071.14642 17.688 0.072 19.11 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
556023 2025-12-07 05:17:47 2461016.72068 18.94 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
290052 2026-02-06 00:45:36 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 18:39:16.987 +56:14:15.27 2026-01-30 15:30:50.688 17.688 orange-ATLAS PSN ATLAS26bju ATLAS N
289795 2026-02-02 13:56:22 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 18:39:16.942 +56:14:14.82 2026-02-01 12:28:26.996 17.5092 g-ZTF PSN ZTF26aaeomtu ZTF 2026TNSTR.443....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22908 2026-02-03 18:24:03 ZTF_Bot1 S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.043874 1 ZTF 2026TNSCR.465....1C
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
22909 2026-02-03 12:44:46 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026bzn_2026-02-03_12-44-46.141227_P60_SEDM_ZTF_0.ascii Object
22906 2026-02-03 16:39:39 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.043874 1 ZTF 2026TNSCR.462....1F
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
22907 2026-02-03 12:44:46 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026bzn_2026-02-03_12-44-46.141227_P60_SEDM_ZTF.ascii Object

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