RA/DEC (2000)
03:35:37.299 -04:11:41.90
53.9054132245 -4.19497157207
Type
SN Ia
Redshift
0.114
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-12-11 04:11:04.004
TNS AT
Y
Public
Y
Discovery Mag
20.1311
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Kumar, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025agoq - 2025-12-17 00:00:00 SOAR / Goodman (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
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▌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
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▌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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌PS1_GPC1_r
   
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
22611 2025-12-17 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025agoq_2025-12-17_00-00-00_SOAR_Goodman_ZTF.ascii Object Classification and redshift from SNID
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-11-27 21:24:48 - 2025-12-17 17:40:54 2461007.39222 - 2461027.23674 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540029 2025-12-17 17:40:54 2461027.23674 19.73 ABMag Clear- LAST_LAST-Cam 400
540028 2025-11-27 21:24:48 2461007.39222 20.52 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-12-14 11:56:34 - 2025-12-14 11:56:34 2461023.997612 - 2461023.997612 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538741 2025-12-14 11:56:34 2461023.997612 19.49 0.09 ABMag L-GOTO GOTO-S_GOTO-3 180
w-P1 PS2_GPC2 2025-12-10 08:12:14 - 2025-12-10 08:12:14 2461019.84183 - 2461019.84183 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546787 2025-12-10 08:12:14 2461019.84183 20.56 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-12-14 21:31:07 - 2025-12-17 20:44:45 2461024.39661 - 2461027.36441 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541239 2025-12-17 20:44:45 2461027.36441 19.297 0.186 19.39 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
541238 2025-12-14 21:31:07 2461024.39661 19.78 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-12-10 22:40:42 - 2025-12-10 22:40:42 2461020.444934 - 2461020.444934 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538740 2025-12-10 22:40:42 2461020.444934 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-12-09 02:44:06 - 2025-12-23 01:54:00 2461018.6139583 - 2461032.5791667 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542021 2025-12-23 01:54:00 2461032.5791667 19.09 0.08 20.79 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
542020 2025-12-09 02:44:06 2461018.6139583 20.89 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-07 05:02:04 - 2025-12-12 05:06:13 2461016.7097685 - 2461021.7126505 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538157 2025-12-12 05:06:13 2461021.7126505 20.0835 0.190019 20.2522 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
538156 2025-12-11 05:20:31 2461020.722581 20.1951 0.18109 20.2348 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
538154 2025-12-07 05:02:04 2461016.7097685 19.2961 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-12-11 04:11:04 - 2025-12-12 06:37:35 2461020.6743519 - 2461021.7760995 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538158 2025-12-12 06:37:35 2461021.7760995 19.9898 0.184219 20.2424 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
538155 2025-12-11 04:11:04 2461020.6743519 20.1311 0.27463 20.0466 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
r-P1 PS1_GPC1 2025-12-14 06:43:29 - 2025-12-14 06:43:29 2461023.7802 - 2461023.7802 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538757 2025-12-14 06:43:29 2461023.7802 19.86 0.14 20.6 ABMag r-P1 PS1_GPC1 27 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
285462 2026-01-01 21:27:19 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 03:35:37.299 -04:11:41.90 2025-12-10 08:12:14.112 20.56 w-P1 PSN PS25ioc Pan-STARRS N
282010 2025-12-23 07:28:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 03:35:37.291 -04:11:42.07 2025-12-23 01:54:00.000 19.09 BG-q-BlackGem PSN BGEM J033537.29-041142.1 BlackGEM N
281692 2025-12-20 23:36:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 03:35:37.309 -04:11:41.82 2025-12-17 20:44:45.024 19.297 cyan-ATLAS PSN ATLAS25qac ATLAS N
281123 2025-12-18 08:43:58 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 03:35:37.309 -04:11:41.44 2025-12-17 17:40:54.336 19.73 Clear- PSN LAST N
280531 2025-12-14 15:39:50 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 03:35:37.300 -04:11:41.96 2025-12-14 06:43:29.280 19.86 r-P1 PSN PS25ioc Pan-STARRS N
280522 2025-12-14 15:01:18 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 03:35:37.311 -04:11:42.23 2025-12-14 11:56:33.504 19.49 L-GOTO Other GOTO25loq GOTO N
280262 2025-12-12 18:23:54 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 03:35:37.285 -04:11:41.96 2025-12-11 04:11:04.004 20.1311 g-ZTF PSN ZTF25acgopcs ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25acgopcs 2025TNSTR4934....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22610 2025-12-17 13:49:50 Jonathan Carney Jonathan Carney (UNC), Igor Andreoni (UNC), Robert Stein (UMD), Erica Hammerstein (UC Berkeley), Ryan Chornock (UC Berkeley) ZTF SN Ia 0.114 1 ZTF 2025TNSCR5027....1C
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
22611 2025-12-17 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025agoq_2025-12-17_00-00-00_SOAR_Goodman_ZTF.ascii Object Classification and redshift from SNID

Comments

TNS
System

Thu, 01/01/2026 - 21:27

Object coordinates updated

Object coordinates updated according to AT-report 285462 of Group Pan-STARRS
Previous RA, DEC: 03:35:37.300, -04:11:41.96 (53.9054184636, -4.19498915237)
Updated RA, DEC: 03:35:37.299, -04:11:41.90 (53.9054132245, -4.19497157207)

TNS
System

Sun, 12/14/2025 - 15:39

Object coordinates updated

Object coordinates updated according to AT-report 280531 of Group Pan-STARRS
Previous RA, DEC: 03:35:37.285, -04:11:41.96 (53.905354399564, -4.1949884102628)
Updated RA, DEC: 03:35:37.300, -04:11:41.96 (53.9054184636, -4.19498915237)