RA/DEC (2000)
16:43:40.295 +26:35:49.28
250.917897858 +26.5970226826
Type
SN Ia
Redshift
0.05498
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-08-21 04:12:40.997
TNS AT
Y
Public
Y
Host Name
SDSS J164340.17+263548.0
Host Redshift
0.05492675
Discovery Mag
19.0513
Filter
g-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_2025uvf - 2025-08-31 03:25:15 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_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_w
   
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
21928 2025-08-31 03:25:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025uvf_2025-08-31_03-25-15.148885_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-07-30 22:14:08 - 2025-09-03 21:30:01 2460887.426477 - 2460922.395855 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515525 2025-09-03 21:30:01 2460922.395855 18.2 0.05 ABMag L-GOTO GOTO-N_GOTO-2 360
515524 2025-07-30 22:14:08 2460887.426477 20.2 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-08-17 05:29:20 - 2025-08-17 05:29:20 2460904.7287037 - 2460904.7287037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511013 2025-08-17 05:29:20 2460904.7287037 20.556 ABMag i-ZTF P48_ZTF-Cam 30 ZTFbot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-17 05:29:20 - 2025-08-17 05:29:20 2460904.7287037 - 2460904.7287037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510971 2025-08-17 05:29:20 2460904.7287037 20.5559 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-08-17 04:12:34 - 2025-08-21 04:12:41 2460904.6753935 - 2460908.6754745 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510972 2025-08-21 04:12:41 2460908.6754745 19.0513 0.115618 20.5415 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
515214 2025-08-21 04:12:41 2460908.6754745 19.0513 0.115618 20.5415 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
511014 2025-08-21 04:12:40 2460908.675463 19.051 0.116 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot
515213 2025-08-17 04:12:34 2460904.6753935 20.6846 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-23 05:44:48 - 2025-08-23 05:44:48 2460910.73944 - 2460910.73944 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511695 2025-08-23 05:44:48 2460910.73944 19.185 0.507 19.98 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-20 08:01:11 - 2025-08-20 08:01:11 2460907.83416 - 2460907.83416 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511694 2025-08-20 08:01:11 2460907.83416 20.15 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 110 Robot [Last non detection]
w-P1 PS1_GPC1 2025-08-27 06:31:33 - 2025-08-27 06:31:33 2460914.77191 - 2460914.77191 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514306 2025-08-27 06:31:33 2460914.77191 18.4 0.03 22 ABMag w-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
269271 2025-09-04 09:28:03 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 16:43:40.307 +26:35:49.47 2025-09-03 21:30:01.440 18.2 L-GOTO Other GOTO25guu GOTO N
269126 2025-09-02 18:18:03 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 16:43:40.299 +26:35:49.35 2025-08-21 04:12:40.997 19.0513 g-ZTF PSN ZTF25abkeofy ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abkeofy N
268677 2025-08-30 20:34:45 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:43:40.295 +26:35:49.28 2025-08-27 06:31:33.024 18.4 w-P1 PSN PS25hgw Pan-STARRS N
267326 2025-08-23 14:57:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:43:40.306 +26:35:49.51 2025-08-23 05:44:47.616 19.185 orange-ATLAS PSN ATLAS25kfq ATLAS N
266978 2025-08-21 17:53:24 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL), B. Armas-Chinea, D. Cano-Morales et al. SGLF ZTF 16:43:40.309 +26:35:49.30 2025-08-21 04:12:40.000 19.051 g-ZTF PSN LEDA 1781937 ZTF25abkeofy ZTF N
266966 2025-08-21 17:50:16 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 16:43:40.309 +26:35:49.30 2025-08-21 04:12:40.997 19.0513 g-ZTF PSN SDSS J164340.17+263548.0 ZTF25abkeofy ZTF Early SN candidate (g-rise > 0.41+-0.03 mag/day) 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/ZTF25abkeofy 2025TNSTR3295....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
21928 2025-08-31 05:27:33 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 0.05498 1 ZTF 2025TNSCR3487....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
21928 2025-08-31 03:25:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025uvf_2025-08-31_03-25-15.148885_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 08/30/2025 - 20:34

Object coordinates updated

Object coordinates updated according to AT-report 268677 of Group Pan-STARRS
Previous RA, DEC: 16:43:40.309, +26:35:49.30 (250.917954, +26.597028)
Updated RA, DEC: 16:43:40.295, +26:35:49.28 (250.917897858, +26.5970226826)

TNS
System

Thu, 08/21/2025 - 17:53

Object coordinates updated

Object coordinates updated according to AT-report 266978 of Group ZTF
Previous RA, DEC: 16:43:40.309, +26:35:49.30 (250.9179552, +26.5970277)
Updated RA, DEC: 16:43:40.309, +26:35:49.30 (250.917954, +26.597028)