RA/DEC (2000)
16:06:41.066 +17:35:41.59
241.67110820003 +17.59488675
Type
SN Ia
Redshift
0.038
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-08 19:46:36.192
TNS AT
Y
Public
Y
Discovery Mag
18.02
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025zrl - 2025-10-21 02:16:52 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
 ▌P48_ZTF-Cam_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
22251 2025-10-21 02:16:52 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025zrl_2025-10-21_02-16-52.189685_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-09-06 21:24:41 - 2025-10-08 19:46:36 2460925.392136 - 2460957.32403 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522590 2025-10-08 19:46:36 2460957.32403 18.02 0.06 ABMag L-GOTO GOTO-N_GOTO-2 360
522589 2025-09-06 21:24:41 2460925.392136 19.4 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-03 03:42:05 - 2025-12-11 13:39:10 2460951.6542245 - 2461021.0688657 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538591 2025-12-11 13:39:10 2461021.0688657 18.8073 0.173565 18.7994 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
538590 2025-12-11 13:32:29 2461021.0642245 18.7613 0.130989 19.2475 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
524767 2025-10-19 02:14:52 2460967.5936574 17.0316 0.043812 ABMag r-ZTF P48_ZTF-Cam
524766 2025-10-18 02:01:38 2460966.5844676 17.024 0.0453269 ABMag r-ZTF P48_ZTF-Cam
524765 2025-10-03 03:42:05 2460951.6542245 20.0481 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
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
280449 2025-12-13 20:32:33 ALeRCE F. Forster,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 16:06:41.066 +17:35:41.59 2025-12-11 13:32:28.997 18.7613 r-ZTF PSN SDSS J160640.76+173531.1 ZTF25abwcarc 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/ZTF25abwcarc N
273856 2025-10-19 06:16:02 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 16:06:41.084 +17:35:41.39 2025-10-18 02:01:38.000 17.024 r-ZTF PSN ZTF25abwcarc ZTF N
272647 2025-10-08 20:06:19 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 16:06:41.088 +17:35:41.62 2025-10-08 19:46:36.192 18.02 L-GOTO Other GOTO25iia GOTO 2025TNSTR4040....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
22251 2025-10-21 03:01:14 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.038 1 ZTF 2025TNSCR4234....1F
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
22251 2025-10-21 02:16:52 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025zrl_2025-10-21_02-16-52.189685_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 12/13/2025 - 20:32

Object coordinates updated

Object coordinates updated according to AT-report 280449 of Group ZTF
Previous RA, DEC: 16:06:41.084, +17:35:41.39 (241.6711842, +17.5948292)
Updated RA, DEC: 16:06:41.066, +17:35:41.59 (241.67110820003, +17.59488675)

TNS
System

Sun, 10/19/2025 - 06:16

Object coordinates updated

Object coordinates updated according to AT-report 273856 of Group ZTF
Previous RA, DEC: 16:06:41.088, +17:35:41.62 (241.6712, +17.594895)
Updated RA, DEC: 16:06:41.084, +17:35:41.39 (241.6711842, +17.5948292)