RA/DEC (2000)
17:05:14.727 +56:12:55.39
256.3113643 +56.2153851
Type
SN IIb
Redshift
0.02918
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-24 02:49:53.999
TNS AT
Y
Public
Y
Discovery Mag
19.1805
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_2025abku - 2025-10-26 03:27:15 P200 / NGPS (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-MLO_ATLAS-01_cyan
   
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
22303 2025-10-26 03:27:15 P200 / NGPS Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025abku_2025-10-26_03-27-15_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-10-24 04:09:43 - 2025-10-24 04:09:43 2460972.6734144 - 2460972.6734144 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526342 2025-10-24 04:09:43 2460972.6734144 19.2207 0.162846 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-21 03:53:31 - 2025-10-24 02:49:54 2460969.6621644 - 2460972.6179861 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526341 2025-10-24 02:49:54 2460972.6179861 19.1805 0.107806 ABMag g-ZTF P48_ZTF-Cam
526340 2025-10-21 03:53:31 2460969.6621644 20.4195 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-23 05:37:50 - 2025-10-24 05:06:40 2460971.73461 - 2460972.71296 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526842 2025-10-24 05:06:40 2460972.71296 19.038 0.177 19.24 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
526841 2025-10-23 05:37:50 2460971.73461 19.28 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 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
274792 2025-10-25 15:31:21 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 17:05:14.788 +56:12:55.87 2025-10-24 05:06:39.744 19.038 cyan-ATLAS PSN ATLAS25nhs ATLAS N
274568 2025-10-24 06:14:59 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 17:05:14.727 +56:12:55.39 2025-10-24 02:49:53.999 19.1805 g-ZTF PSN ZTF25abzooqy ZTF 2025TNSTR4277....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
22303 2025-10-27 19:16:26 ZTF_Bot1 K. Das, A. Mehla, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN IIb 0.02918 1 ZTF 2025TNSCR4328....1D
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
22303 2025-10-26 03:27:15 P200 / NGPS Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025abku_2025-10-26_03-27-15_P200_NGPS_ZTF.ascii Object

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