RA/DEC (2000)
10:04:53.335 -00:03:21.40
151.222230252 -0.0559448022445
Type
SN Ia
Redshift
0.020896
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-10-03 12:47:40.004
TNS AT
Y
Public
Y
Host Name
LEDA 1152964
Host Redshift
0.02148
Discovery Mag
16.4433
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, 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_2025znk - 2025-10-07 12:19:23 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

 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_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
22171 2025-10-07 12:19:23 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025znk_2025-10-07_12-19-22.516156_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-08 21:30:01 - 2025-10-23 05:42:45 2460835.395837 - 2460971.738024 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526193 2025-10-23 05:42:45 2460971.738024 17.64 0.04 ABMag L-GOTO GOTO-N_GOTO-2 180
526192 2025-06-08 21:30:01 2460835.395837 18.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-29 14:13:12 - 2025-11-29 14:13:12 2461009.0925 - 2461009.0925 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546957 2025-11-29 14:13:12 2461009.0925 18.85 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-06 23:45:47 - 2025-07-06 23:45:47 2460863.49013 - 2460863.49013 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528487 2025-07-06 23:45:47 2460863.49013 18.1 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-12-16 06:16:20 - 2025-12-16 06:16:20 2461025.7613426 - 2461025.7613426 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587492 2025-12-16 06:16:20 2461025.7613426 19.47 0.1 20.49 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-12-09 06:41:17 - 2025-12-09 06:41:17 2461018.778669 - 2461018.778669 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587491 2025-12-09 06:41:17 2461018.778669 18.46 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-03 12:47:40 - 2025-10-03 12:54:54 2460952.0331019 - 2460952.038125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522092 2025-10-03 12:54:54 2460952.038125 16.4823 0.0534004 17.8456 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
522091 2025-10-03 12:47:40 2460952.0331019 16.4433 0.0393957 18.374 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-11-01 15:20:31 - 2025-11-01 15:20:31 2460981.13925 - 2460981.13925 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528488 2025-11-01 15:20:31 2460981.13925 18.036 0.108 19.1 ABMag cyan-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
306310 2026-05-27 17:53:02 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 10:04:53.344 -00:03:21.63 2025-12-16 06:16:20.000 19.47 BG-q-BlackGem PSN BGEM J100453.34-000321.6 BlackGEM N
285632 2026-01-02 00:16:10 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 10:04:53.335 -00:03:21.40 2025-11-29 14:13:12.000 18.85 w-P1 PSN PS25mol Pan-STARRS N
275509 2025-11-01 22:44:30 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 10:04:53.338 -00:03:21.34 2025-11-01 15:20:31.200 18.036 cyan-ATLAS PSN ATLAS25npn ATLAS N
274497 2025-10-23 15:01:56 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 10:04:53.369 -00:03:22.05 2025-10-23 05:42:44.928 17.64 L-GOTO Other GOTO25ixz GOTO N
272414 2025-10-03 15:07:06 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 10:04:53.344 -00:03:21.57 2025-10-03 12:47:40.004 16.4433 r-ZTF PSN LEDA 1152964 ZTF25abvnrxq 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/ZTF25abvnrxq 2025TNSTR3976....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
22171 2025-10-07 13:04:16 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.020896 1 ZTF 2025TNSCR4037....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
22171 2025-10-07 12:19:23 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025znk_2025-10-07_12-19-22.516156_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 01/02/2026 - 00:16

Object coordinates updated

Object coordinates updated according to AT-report 285632 of Group Pan-STARRS
Previous RA, DEC: 10:04:53.344, -00:03:21.57 (151.22226725, -0.05599105)
Updated RA, DEC: 10:04:53.335, -00:03:21.40 (151.222230252, -0.0559448022445)