RA/DEC (2000)
16:51:17.379 -25:53:50.46
252.82241304444 -25.897351277778
Type
SN Ia
Redshift
0.029307
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-23 09:32:34.998
TNS AT
Y
Public
Y
Discovery Mag
20.2559
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2026nnf - 2026-06-04 05:33:06 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-S_GOTO-4_L
 ATLAS-CHL_ATLAS-04_orange
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_orange
   
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
23934 2026-06-04 05:33:06 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026nnf_2026-06-04_05-33-05.566626_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-05-10 13:24:36 - 2026-06-06 12:51:45 2461171.058753 - 2461198.035936 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589810 2026-06-06 12:51:45 2461198.035936 17.04 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
589809 2026-05-10 13:24:36 2461171.058753 19.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-24 05:06:15 - 2026-05-24 05:06:15 2461184.71267 - 2461184.71267 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585545 2026-05-24 05:06:15 2461184.71267 19.21 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-23 09:01:01 - 2026-05-23 09:01:01 2461183.875706 - 2461183.875706 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585051 2026-05-23 09:01:01 2461183.875706 19.9049 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-23 09:32:35 - 2026-05-24 08:04:20 2461183.8976273 - 2461184.8363426 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585053 2026-05-24 08:04:20 2461184.8363426 19.6158 0.144142 ABMag r-ZTF P48_ZTF-Cam
588867 2026-05-24 08:04:20 2461184.8363426 19.6158 0.144142 19.8742 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
585052 2026-05-23 09:32:35 2461183.8976273 20.2559 0.173878 ABMag r-ZTF P48_ZTF-Cam
588866 2026-05-23 09:32:35 2461183.8976273 20.1254 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-05-26 11:25:29 - 2026-05-26 11:25:29 2461186.97603 - 2461186.97603 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585546 2026-05-26 11:25:29 2461186.97603 18.44 0.134 18.74 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
307477 2026-06-08 10:11:56 GOTO_bot M. Kennedy, G. Ramsay, K. Ackley et al. GOTO GOTO 16:51:17.377 -25:53:50.50 2026-06-06 12:51:45.216 17.04 L-GOTO Other GOTO26fjq GOTO N
307016 2026-06-04 18:41:35 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 16:51:17.379 -25:53:50.46 2026-05-24 08:04:20.001 19.6158 r-ZTF PSN ZTF26aayjgre ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aayjgre N
305339 2026-05-27 08:19:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:51:17.398 -25:53:51.04 2026-05-26 11:25:28.992 18.44 orange-ATLAS PSN ATLAS26gkk ATLAS N
305098 2026-05-24 11:11:43 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:51:17.376 -25:53:50.49 2026-05-23 09:32:34.998 20.2559 r-ZTF PSN ZTF26aayjgre ZTF 2026TNSTR2262....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23930 2026-06-04 06:31:15 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.029307 1 ZTF
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
23934 2026-06-04 05:33:06 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026nnf_2026-06-04_05-33-05.566626_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 307016 of Group ZTF
Previous RA, DEC: 16:51:17.376, -25:53:50.49 (252.8224013, -25.897359)
Updated RA, DEC: 16:51:17.379, -25:53:50.46 (252.82241304444, -25.897351277778)