RA/DEC (2000)
01:55:58.487 -00:26:43.28
28.99369415 -0.4453563125
Type
SN Ib
Redshift
0.047
Discovery ReportClassification Report
Reporting Group
WFST
Discovering Data Source
WFST
Discovery Date
2025-08-28 21:21:36.000
TNS AT
Y
Public
Y
Discovery Mag
22.74
Filter
g-WFST
Reporter/s
Zelin Xu, Dezheng Meng, Ji-an Jiang, Weiyu Wu, Zhengyan Liu, Junhan Zhao, Ziqing Jia (USTC) on behalf of the WFST collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025wiu - 2025-09-23 08:17:28 P60 / SEDM (ZTF)z=
 ▌SN_2025wiu - 2025-09-17 23:27:40 SALT / RSS (None)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
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▌Show N III at z=vexp= km/s
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▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
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▌Show [O II] at z=vexp= km/s
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▌Show O VI at z=vexp= km/s
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▌Show Mg 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

 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22083 2025-09-23 08:17:28 P60 / SEDM 2700 SEDmRobot ZTF tns_2025wiu_2025-09-23_08-17-28.241525_P60_SEDM_ZTF.ascii Object
22104 2025-09-17 23:27:40 SALT / RSS 2160 L. Townsend S. W. Jha None tns_2025wiu_2460936.47755208_SALT_RSS_None.dat tns_2025wiu_2460936.47755208_SALT_RSS_None.fits Object Good matches to normal type-Ib supernovae near maximum light. Narrow H-alpha emission at the position of the supernova is observed with z = 0.046, consistent with the redshift of the host galaxy KUG 0153-006, z = 0.047 (e.g., from SDSS).
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2025-08-27 21:23:02 - 2025-08-28 21:21:36 2460915.391 - 2460916.39 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514197 2025-08-28 21:21:36 2460916.39 22.74 0.1 ABMag g-WFST WFST_WFST-WFC 90
514196 2025-08-27 21:23:02 2460915.391 23.11 ABMag g-WFST WFST_WFST-WFC 90 [Last non detection]
Clear- LAST_LAST-Cam 2024-11-05 19:36:31 - 2025-09-21 21:59:01 2460620.31703 - 2460940.41598 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519130 2025-09-21 21:59:01 2460940.41598 18.85 ABMag Clear- LAST_LAST-Cam 400
519129 2024-11-05 19:36:31 2460620.31703 21.42 ABMag Clear- LAST_LAST-Cam 2780 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-11 05:23:32 - 2025-09-12 01:12:24 2460929.724681 - 2460930.550282 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516564 2025-09-12 01:12:24 2460930.550282 18.54 0.12 ABMag L-GOTO GOTO-N_GOTO-2 360
516563 2025-09-11 05:23:32 2460929.724681 18.7 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-13 00:13:54 - 2025-09-13 00:13:54 2460931.50965 - 2460931.50965 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517369 2025-09-13 00:13:54 2460931.50965 18.53 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-09-30 04:08:34 - 2025-09-30 04:08:34 2460948.6726157 - 2460948.6726157 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520916 2025-09-30 04:08:34 2460948.6726157 20.59 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-09-30 06:26:05 - 2025-09-30 06:26:05 2460948.7681134 - 2460948.7681134 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520917 2025-09-30 06:26:05 2460948.7681134 18.63 0.07 20.76 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-08-31 08:37:47 - 2025-09-08 11:04:33 2460918.8595718 - 2460926.9614931 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516121 2025-09-08 11:04:33 2460926.9614931 19.3014 0.138895 ABMag r-ZTF P48_ZTF-Cam
516120 2025-09-02 10:34:26 2460920.9405787 20.4418 0.201579 ABMag r-ZTF P48_ZTF-Cam
518133 2025-09-02 10:34:26 2460920.9405787 20.4418 0.201579 20.4009 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
518132 2025-08-31 08:37:47 2460918.8595718 20.263 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-08-31 10:04:11 - 2025-08-31 10:04:11 2460918.9195718 - 2460918.9195718 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516119 2025-08-31 10:04:11 2460918.9195718 20.7743 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-14 11:16:36 - 2025-09-14 11:16:36 2460932.96986 - 2460932.96986 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517370 2025-09-14 11:16:36 2460932.96986 19.056 0.167 19.4 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
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
271781 2025-09-30 09:17:02 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 01:55:58.484 -00:26:43.66 2025-09-30 06:26:05.000 18.63 BG-q-BlackGem PSN BGEM J015558.48-002643.7 BlackGEM N
270929 2025-09-22 02:07:09 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 01:55:58.521 -00:26:43.38 2025-09-21 21:59:00.672 18.85 Clear- PSN LAST N
270481 2025-09-17 18:15:02 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 01:55:58.487 -00:26:43.28 2025-09-02 10:34:26.000 20.4418 r-ZTF PSN ZTF25aboftol ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aboftol N
270159 2025-09-15 07:56:04 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:55:58.474 -00:26:43.22 2025-09-14 11:16:35.904 19.056 orange-ATLAS PSN ATLAS25ljr ATLAS N
269770 2025-09-12 01:49:03 GOTO_bot S. Belkin, K. Ackley, M. Dyer et al. GOTO GOTO 01:55:58.505 -00:26:42.81 2025-09-12 01:12:24.192 18.54 L-GOTO Other GOTO25gxf GOTO N
269528 2025-09-08 15:33:47 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:55:58.501 -00:26:43.06 2025-09-02 10:34:25.999 20.4418 r-ZTF PSN ZTF25aboftol ZTF N
268606 2025-08-30 09:49:17 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 01:55:58.490 -00:26:43.38 2025-08-28 21:21:36.000 22.74 g-WFST PSN WFST250828joqc WFST 2025TNSTR3458....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22104 2025-09-26 02:47:20 Saurabh W. Jha Saurabh W. Jha (Rutgers), Ji-an Jiang (USTC) None SN Ib 0.047 1 1 Updating classification to SN Ib, and updating redshift to z = 0.047, matching the host galaxy KUG 0153-006. 2025TNSCR3882....1J
Related files
File Comments Last Modified (UT) Modified By
tns_2025wiu_atrep_22104.pdf SNID match to type-Ib SN 2002ji 2025-09-26 02:47:20 Saurabh W. Jha
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
22104 2025-09-17 23:27:40 SALT / RSS 2160 L. Townsend S. W. Jha None tns_2025wiu_2460936.47755208_SALT_RSS_None.dat tns_2025wiu_2460936.47755208_SALT_RSS_None.fits Object Good matches to normal type-Ib supernovae near maximum light. Narrow H-alpha emission at the position of the supernova is observed with z = 0.046, consistent with the redshift of the host galaxy KUG 0153-006, z = 0.047 (e.g., from SDSS).
22083 2025-09-23 18:11:42 ZTF_Bot1 S. Rose, K. Das, A. Mehla, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN Ibn 0.027121 1 ZTF 2025TNSCR3840....1R
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
22083 2025-09-23 08:17:28 P60 / SEDM 2700 SEDmRobot ZTF tns_2025wiu_2025-09-23_08-17-28.241525_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 09/17/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 270481 of Group ZTF
Previous RA, DEC: 01:55:58.501, -00:26:43.06 (28.9937531, -0.4452932)
Updated RA, DEC: 01:55:58.487, -00:26:43.28 (28.99369415, -0.4453563125)

TNS
System

Mon, 09/08/2025 - 15:33

Object coordinates updated

Object coordinates updated according to AT-report 269528 of Group ZTF
Previous RA, DEC: 01:55:58.490, -00:26:43.38 (28.993708, -0.445383)
Updated RA, DEC: 01:55:58.501, -00:26:43.06 (28.9937531, -0.4452932)