RA/DEC (2000)
22:18:23.162 -59:38:33.57
334.596508571 -59.6426571429
Type
SN IIP
Redshift
0.016
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-05 11:28:51.168
TNS AT
Y
Public
Y
Discovery Mag
17.9
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025zpg - 2025-10-15 23:24:25 Lesedi / Mookodi (BlackGEM)z=
Show H at z=vexp= km/s
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Show O VI at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-S_GOTO-4_L
 GOTO-S_GOTO-3_L
 ATLAS-CHL_ATLAS-04_orange
 Other_Other_Other
   
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
22223 2025-10-15 23:24:25 Lesedi / Mookodi 600 N. Erasmus, S. Potter, C. van Gend, H. Worters, S. Chandra, D. Cunnama, M. Hlakola, P. Rabe, R. Julie (all SAAO) Simon de Wet BlackGEM tns_2025zpg_2025-10-15_23-24-25.473_Lesedi_Mookodi_BlackGEM.csv Object The spectrum was taken with the SAAO's 1-m Lesedi robotic telescope with the Mookodi low-resolution spectrograph and imager as part of the SAAO’s "Intelligent Observatory" rapid follow-up program. The spectrum was taken with the widest (4") slit width which resulted in a spectral resolution of R ~ 200 at 6000 Angstrom.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-10-02 12:27:44 - 2025-10-02 12:27:44 2460951.019261 - 2460951.019261 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522318 2025-10-02 12:27:44 2460951.019261 19.2 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-10-05 11:28:51 - 2025-10-05 11:28:51 2460953.978366 - 2460953.978366 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522319 2025-10-05 11:28:51 2460953.978366 17.9 0.1 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-10-05 03:39:49 - 2025-10-07 03:12:56 2460953.65265 - 2460955.63398 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522456 2025-10-07 03:12:56 2460955.63398 18.011 0.176 18.22 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
522455 2025-10-05 03:39:49 2460953.65265 17.97 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
Other- Other_Other 2025-07-24 07:28:41 - 2025-11-03 01:17:09 2460880.81159 - 2460982.55358 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528620 2025-11-03 01:17:09 2460982.55358 17.2 19.5 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
528619 2025-11-03 01:14:38 2460982.55183 17.3 19.5 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
528618 2025-07-24 07:28:41 2460880.81159 20.5 VegaMag Other- Other_Other 180 Robot [Last non detection] MASTER-OAFA
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
275568 2025-11-03 11:40:45 MASTER M.Shilova,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 22:18:23.130 -59:38:34.00 2025-11-03 01:14:38.112 17.3 Other- PSN MASTER OT J221823.13-593834.0 MASTER SN N
272587 2025-10-07 07:34:26 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:18:23.162 -59:38:33.57 2025-10-07 03:12:55.872 18.011 orange-ATLAS PSN ATLAS25mlk ATLAS N
272528 2025-10-05 12:37:11 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 22:18:23.195 -59:38:33.55 2025-10-05 11:28:51.168 17.9 L-GOTO Other GOTO25ihq GOTO 2025TNSTR4008....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22223 2025-10-16 06:49:34 Simon de Wet Simon de Wet BlackGEM SN IIP 0.016 1 BlackGEM Although the SNR of the spectrum is low, SNID SAGE (Stoppa, in prep, 2025) shows matches to Type IIP SNe spectra at z~0.016 (see additional file). 2025TNSCR4150....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
22223 2025-10-15 23:24:25 Lesedi / Mookodi 600 N. Erasmus, S. Potter, C. van Gend, H. Worters, S. Chandra, D. Cunnama, M. Hlakola, P. Rabe, R. Julie (all SAAO) Simon de Wet BlackGEM tns_2025zpg_2025-10-15_23-24-25.473_Lesedi_Mookodi_BlackGEM.csv Object The spectrum was taken with the SAAO's 1-m Lesedi robotic telescope with the Mookodi low-resolution spectrograph and imager as part of the SAAO’s "Intelligent Observatory" rapid follow-up program. The spectrum was taken with the widest (4") slit width which resulted in a spectral resolution of R ~ 200 at 6000 Angstrom.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 272587 of Group ATLAS
Previous RA, DEC: 22:18:23.195, -59:38:33.55 (334.596647, -59.642652)
Updated RA, DEC: 22:18:23.162, -59:38:33.57 (334.596508571, -59.6426571429)