RA/DEC (2000)
00:31:22.122 +30:47:23.39
7.84217624842 +30.7898307839
Type
SN IIb
Redshift
0.022
Discovery ReportClassification Report
Related AstroNotes: 2025-283
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-02 22:49:54.912
TNS AT
Y
Public
Y
Discovery Mag
18.959
Filter
wide-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025wug - 2025-09-04 11:35:39 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_i
   
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
21986 2025-09-04 11:35:39 P200 / NGPS Nicholas Earley Nicholas Earley ZTF tns_2025wug_2025-09-04_11-35-39_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-02 22:49:55 - 2025-09-02 22:49:55 2460921.45133 - 2460921.45133 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515356 2025-09-02 22:49:55 2460921.45133 18.959 0.127 19.45 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2025-07-28 01:51:11 - 2025-09-16 21:16:22 2460884.57721 - 2460935.38636 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517883 2025-09-16 21:16:22 2460935.38636 19.29 ABMag Clear- LAST_LAST-Cam 400
517882 2025-07-28 01:51:11 2460884.57721 20.96 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-13 00:10:10 - 2025-09-18 22:47:21 2460931.507059 - 2460937.449555 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518513 2025-09-18 22:47:21 2460937.449555 19.1 0.1 ABMag L-GOTO GOTO-N_GOTO-2 360
518512 2025-09-13 00:10:10 2460931.507059 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-01 08:37:49 - 2025-09-05 08:58:24 2460919.8595949 - 2460923.8738889 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515811 2025-09-05 08:58:24 2460923.8738889 19.0952 0.0896481 ABMag r-ZTF P48_ZTF-Cam
515810 2025-09-01 08:37:49 2460919.8595949 21.2973 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-05 10:34:07 - 2025-09-05 10:34:07 2460923.9403588 - 2460923.9403588 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515812 2025-09-05 10:34:07 2460923.9403588 19.491 0.132564 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-09-01 11:55:48 - 2025-09-01 11:55:48 2460919.99708 - 2460919.99708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515355 2025-09-01 11:55:48 2460919.99708 19.51 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2025-09-07 08:47:45 - 2025-09-07 08:47:45 2460925.86649 - 2460925.86649 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516679 2025-09-07 08:47:45 2460925.86649 19.31 0.11 20.7 ABMag i-P1 PS1_GPC1 45 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
270667 2025-09-19 15:52:41 GOTO_bot S. Belkin,G. Ramsay,K. Ackley et al. GOTO GOTO 00:31:22.160 +30:47:23.45 2025-09-18 22:47:21.120 19.1 L-GOTO Other GOTO25him GOTO N
270375 2025-09-16 21:54:53 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 00:31:22.009 +30:47:23.34 2025-09-16 21:16:21.504 19.29 Clear- PSN LAST N
269834 2025-09-13 11:53:29 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:31:22.122 +30:47:23.39 2025-09-07 08:47:44.736 19.31 i-P1 PSN PS25hlq Pan-STARRS N
269392 2025-09-05 18:43:36 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 00:31:22.120 +30:47:23.50 2025-09-05 08:58:24.000 19.0952 r-ZTF PSN ZTF25abogteg ZTF N
269190 2025-09-03 13:09:15 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:31:22.117 +30:47:23.38 2025-09-02 22:49:54.912 18.959 wide-ATLAS PSN ATLAS25kye ATLAS 2025TNSTR3532....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21986 2025-09-08 16:27:25 ZTF_Bot1 K. Das, A. Mehla, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN IIb 0.022 1 ZTF 2025TNSCR3626....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
21986 2025-09-04 11:35:39 P200 / NGPS Nicholas Earley Nicholas Earley ZTF tns_2025wug_2025-09-04_11-35-39_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Sat, 09/13/2025 - 11:53

Object coordinates updated

Object coordinates updated according to AT-report 269834 of Group Pan-STARRS
Previous RA, DEC: 00:31:22.120, +30:47:23.50 (7.8421655, +30.78986)
Updated RA, DEC: 00:31:22.122, +30:47:23.39 (7.84217624842, +30.7898307839)

TNS
System

Fri, 09/05/2025 - 18:43

Object coordinates updated

Object coordinates updated according to AT-report 269392 of Group ZTF
Previous RA, DEC: 00:31:22.117, +30:47:23.38 (7.8421525, +30.7898275)
Updated RA, DEC: 00:31:22.120, +30:47:23.50 (7.8421655, +30.78986)