RA/DEC (2000)
07:18:31.477 +27:09:15.93
109.6311536 +27.1544262
Type
SN II
Redshift
0.016942
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-11 12:09:56.998
TNS AT
Y
Public
Y
Discovery Mag
18.4196
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025tsy - 2025-08-30 11:18:16 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

 ▌WFST_WFST-WFC_r
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌ATLAS-HKO_ATLAS-02_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
21926 2025-08-30 11:18:16 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tsy_2025-08-30_11-18-16.149200_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2025-10-16 20:41:17 - 2025-10-16 20:41:17 2460965.362 - 2460965.362 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
567595 2025-10-16 20:41:17 2460965.362 18.29 0.01 ABMag r-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2025-09-01 05:47:55 - 2025-09-01 05:47:55 2460919.741609 - 2460919.741609 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514726 2025-09-01 05:47:55 2460919.741609 18.46 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2025-03-18 20:27:55 - 2025-03-18 20:27:55 2460753.352716 - 2460753.352716 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514725 2025-03-18 20:27:55 2460753.352716 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-11 12:09:57 - 2025-08-13 12:11:06 2460899.0069097 - 2460901.0077083 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508489 2025-08-13 12:11:06 2460901.0077083 18.3127 0.183216 ABMag r-ZTF P48_ZTF-Cam
508488 2025-08-11 12:09:57 2460899.0069097 18.4196 0.209184 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-30 14:43:03 - 2025-08-30 14:43:03 2460918.11323 - 2460918.11323 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514303 2025-08-30 14:43:03 2460918.11323 18.2 0.1 18.98 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-05-19 06:20:57 - 2025-05-19 06:20:57 2460814.76455 - 2460814.76455 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514302 2025-05-19 06:20:57 2460814.76455 18.88 ABMag cyan-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
295979 2026-03-20 10:28:50 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 07:18:31.440 +27:09:16.13 2025-10-16 20:41:16.800 18.29 r-WFST PSN WFST251016bxdvr WFST N
268848 2025-09-01 08:48:42 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 07:18:31.441 +27:09:16.45 2025-09-01 05:47:55.104 18.46 L-GOTO Other GOTO25gqs GOTO N
268675 2025-08-30 19:25:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 07:18:31.456 +27:09:16.21 2025-08-30 14:43:03.072 18.2 orange-ATLAS PSN ATLAS25ktz ATLAS N
265672 2025-08-13 12:30:12 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 07:18:31.477 +27:09:15.93 2025-08-11 12:09:56.998 18.4196 r-ZTF PSN ZTF25abibtdm ZTF 2025TNSTR3185....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
21926 2025-08-30 13:53:19 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.016942 1 ZTF 2025TNSCR3469....1S
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
21926 2025-08-30 11:18:16 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tsy_2025-08-30_11-18-16.149200_P60_SEDM_ZTF.ascii Object

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