RA/DEC (2000)
12:36:01.607 +08:36:08.62
189.006695342 +8.60239349233
Type
SN II
Redshift
0.034788
Discovery ReportClassification Report
Reporting Group
STSP
Discovering Data Source
STSP
Discovery Date
2026-05-12 13:08:32.000
TNS AT
Y
Public
Y
Discovery Mag
18.5
Filter
Clear-
Reporter/s
Minrui Ning, Huixuan Lin, Jiashuo Zhang
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026mhj - 2026-05-23 07:03:09 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
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_w
 ▌Other_Other_Clear
   
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
23807 2026-05-23 07:03:09 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026mhj_2026-05-23_07-03-08.582599_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-05-11 21:15:04 - 2026-05-11 21:15:04 2461172.385458 - 2461172.385458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582032 2026-05-11 21:15:04 2461172.385458 19.86 0.12 ABMag L-GOTO GOTO-N_GOTO-2 360
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-11 03:00:26 - 2026-05-11 03:00:26 2461171.6253 - 2461171.6253 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581999 2026-05-11 03:00:26 2461171.6253 19.63 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-09 22:07:49 - 2026-05-09 22:07:49 2461170.42209 - 2461170.42209 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582031 2026-05-09 22:07:49 2461170.42209 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-05-04 03:57:58 - 2026-05-14 02:00:47 2461164.6652546 - 2461174.5838773 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582290 2026-05-14 02:00:47 2461174.5838773 18.96 0.07 20.35 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
582289 2026-05-04 03:57:58 2461164.6652546 19.73 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
g-ZTF P48_ZTF-Cam 2026-05-11 07:43:12 - 2026-05-12 07:53:12 2461171.8216667 - 2461172.8286111 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581970 2026-05-12 07:53:12 2461172.8286111 18.8096 0.108186 20.1594 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
583982 2026-05-12 07:53:12 2461172.8286111 18.8096 0.108186 20.1594 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
581969 2026-05-11 07:43:12 2461171.8216667 20.447 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
583981 2026-05-11 07:43:12 2461171.8216667 20.447 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-12 08:36:01 - 2026-05-12 08:36:01 2461172.85834 - 2461172.85834 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582000 2026-05-12 08:36:01 2461172.85834 19.079 0.148 19.65 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
w-P1 PS1_GPC1 2026-05-21 09:05:00 - 2026-05-21 09:05:00 2461181.87847 - 2461181.87847 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585118 2026-05-21 09:05:00 2461181.87847 18.49 0.03 22 ABMag w-P1 PS1_GPC1 45 Robot
Clear- Other_Other 2026-05-12 13:08:32 - 2026-05-12 13:08:32 2461173.0475926 - 2461173.0475926 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581834 2026-05-12 13:08:32 2461173.0475926 18.5 0.17 ABMag Clear- Other_Other
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
305129 2026-05-24 14:32:38 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:36:01.607 +08:36:08.62 2026-05-21 09:04:59.808 18.49 w-P1 PSN PS19mr Pan-STARRS N
304603 2026-05-19 18:50:57 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 12:36:01.612 +08:36:08.67 2026-05-12 07:53:11.999 18.8096 g-ZTF PSN ZTF26aawfokc ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aawfokc N
303607 2026-05-14 06:18:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 12:36:01.580 +08:36:08.37 2026-05-14 02:00:47.000 18.96 BG-q-BlackGem PSN BGEM J123601.58+083608.4 BlackGEM N
303481 2026-05-12 22:28:34 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 12:36:01.649 +08:36:08.99 2026-05-11 21:15:03.744 19.86 L-GOTO Other GOTO26eqh GOTO N
303465 2026-05-12 21:36:08 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:36:01.607 +08:36:08.28 2026-05-12 08:36:00.576 19.079 orange-ATLAS PSN ATLAS26fnd ATLAS N
303450 2026-05-12 20:36:09 ALeRCE A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al. ALeRCE ZTF 12:36:01.607 +08:36:08.68 2026-05-12 07:53:11.999 18.8096 g-ZTF PSN SDSS J123601.14+083602.3 ZTF26aawfokc ZTF Early SN candidate (g-rise > 1.63+-0.11 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/ZTF26aawfokc N
303397 2026-05-12 13:51:51 jiashuo Zhang Minrui Ning, Huixuan Lin, Jiashuo Zhang STSP STSP 12:36:01.630 +08:36:10.20 2026-05-12 13:08:32.000 18.5 Clear- PSN STSP We report the discovery of a candidate supernova. 2026TNSTR2062....1N N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23803 2026-05-23 08:38:34 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.034788 1 ZTF 2026TNSCR2252....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
23807 2026-05-23 07:03:09 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026mhj_2026-05-23_07-03-08.582599_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 05/24/2026 - 14:32

Object coordinates updated

Object coordinates updated according to AT-report 305129 of Group Pan-STARRS
Previous RA, DEC: 12:36:01.612, +08:36:08.67 (189.00671735, +8.6024081166667)
Updated RA, DEC: 12:36:01.607, +08:36:08.62 (189.006695342, +8.60239349233)

TNS
System

Tue, 05/19/2026 - 18:50

Object coordinates updated

Object coordinates updated according to AT-report 304603 of Group ZTF
Previous RA, DEC: 12:36:01.607, +08:36:08.68 (189.0066962, +8.6024108)
Updated RA, DEC: 12:36:01.612, +08:36:08.67 (189.00671735, +8.6024081166667)

TNS
System

Tue, 05/12/2026 - 20:36

Object coordinates updated

Object coordinates updated according to AT-report 303450 of Group ZTF
Previous RA, DEC: 12:36:01.630, +08:36:10.20 (189.006792, +8.602833)
Updated RA, DEC: 12:36:01.607, +08:36:08.68 (189.0066962, +8.6024108)