RA/DEC (2000)
16:23:37.419 +39:12:11.85
245.905911669 +39.203290389
Type
SN II
Redshift
0.02
Discovery ReportClassification Report
Related AstroNotes: 2026-99
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-04 09:53:19.996
TNS AT
Y
Public
Y
Discovery Mag
19.2599
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ies - 2026-04-18 00:00:00 Lick-3m / KAST (UCSC)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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌WFST_WFST-WFC_r
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
23509 2026-04-18 00:00:00 Lick-3m / KAST Kishore Patra Kishore Patra UCSC tns_2026ies_2026-04-18_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-13 03:25:23 - 2026-04-13 03:25:23 2461143.64263 - 2461143.64263 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575127 2026-04-13 03:25:23 2461143.64263 18.842 0.078 19.86 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
r-WFST WFST_WFST-WFC 2026-04-02 19:56:38 - 2026-04-02 19:56:38 2461133.331 - 2461133.331 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572151 2026-04-02 19:56:38 2461133.331 19.4 0.03 ABMag r-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2026-04-02 00:31:08 - 2026-04-12 03:13:54 2461132.521622 - 2461142.63465 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
574965 2026-04-12 03:13:54 2461142.63465 19.35 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
574964 2026-04-02 00:31:08 2461132.521622 18.1 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
i-P1 PS2_GPC2 2026-04-02 14:10:03 - 2026-04-02 14:10:03 2461133.09031 - 2461133.09031 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572879 2026-04-02 14:10:03 2461133.09031 19.62 0.11 20.7 ABMag i-P1 PS2_GPC2 27 Robot
w-P1 PS2_GPC2 2026-05-14 11:31:12 - 2026-05-14 11:31:12 2461174.98 - 2461174.98 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582830 2026-05-14 11:31:12 2461174.98 19.27 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2026-04-04 09:53:20 - 2026-04-04 09:53:20 2461134.912037 - 2461134.912037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572071 2026-04-04 09:53:20 2461134.912037 19.2599 0.178829 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-31 09:25:52 - 2026-04-04 11:21:40 2461130.892963 - 2461134.9733796 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572072 2026-04-04 11:21:40 2461134.9733796 19.1232 0.211385 ABMag g-ZTF P48_ZTF-Cam
572070 2026-03-31 09:25:52 2461130.892963 18.1004 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-04-07 15:18:15 - 2026-04-07 15:18:15 2461138.13767 - 2461138.13767 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575126 2026-04-07 15:18:15 2461138.13767 17.55 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [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
303868 2026-05-15 14:55:20 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:23:37.419 +39:12:11.85 2026-05-14 11:31:12.000 19.27 w-P1 PSN PS26awg Pan-STARRS N
300065 2026-04-13 17:41:06 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:23:37.433 +39:12:12.25 2026-04-13 03:25:23.232 18.842 wide-ATLAS PSN ATLAS26edo ATLAS N
299980 2026-04-13 12:15:46 GOTO_bot D. O'Neill, M. Pursiainen, K. Ackley et al. GOTO GOTO 16:23:37.474 +39:12:11.03 2026-04-12 03:13:53.760 19.35 L-GOTO PSN GOTO26dek GOTO N
298894 2026-04-06 18:36:43 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 16:23:37.422 +39:12:11.82 2026-04-02 14:10:02.784 19.62 i-P1 PSN PS26awg Pan-STARRS N
298450 2026-04-04 13:59:33 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 16:23:37.410 +39:12:11.86 2026-04-02 19:56:38.400 19.4 r-WFST PSN WFST260402abbkj WFST N
298390 2026-04-04 12:37:06 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:23:37.391 +39:12:11.40 2026-04-04 09:53:19.996 19.2599 r-ZTF PSN ZTF26aarbgpu ZTF 2026TNSTR1423....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
23507 2026-04-18 23:35:48 Kishore C. Patra Kishore C. Patra, Ryan J. Foley, Ravjit Kaur (UCSC) UCSC SN II 0.02 1 UCSC Classification was performed with SNID (Blondin & Tonry, 2007, ApJ, 666, 1024). 2026TNSCR1710....1P
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
23509 2026-04-18 00:00:00 Lick-3m / KAST Kishore Patra Kishore Patra UCSC tns_2026ies_2026-04-18_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Fri, 05/15/2026 - 14:55

Object coordinates updated

Object coordinates updated according to AT-report 303868 of Group Pan-STARRS
Previous RA, DEC: 16:23:37.422, +39:12:11.82 (245.905924018, +39.2032828665)
Updated RA, DEC: 16:23:37.419, +39:12:11.85 (245.905911669, +39.203290389)

TNS
System

Mon, 04/06/2026 - 18:36

Object coordinates updated

Object coordinates updated according to AT-report 298894 of Group Pan-STARRS
Previous RA, DEC: 16:23:37.391, +39:12:11.40 (245.9057961, +39.203168)
Updated RA, DEC: 16:23:37.422, +39:12:11.82 (245.905924018, +39.2032828665)