RA/DEC (2000)
13:17:50.932 +30:25:11.46
199.462217337 +30.4198501909
Type
SN Ia
Redshift
0.03733
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-17 08:00:37.995
TNS AT
Y
Public
Y
Discovery Mag
19.8322
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_2026kcp - 2026-04-28 07:38:31 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
23569 2026-04-28 07:38:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026kcp_2026-04-28_07-38-30.642159_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-15 01:57:38 - 2026-04-15 01:57:38 2461145.58169 - 2461145.58169 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576753 2026-04-15 01:57:38 2461145.58169 20.1 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
g-WFST WFST_WFST-WFC 2026-04-17 19:56:38 - 2026-04-17 19:56:38 2461148.331 - 2461148.331 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579506 2026-04-17 19:56:38 2461148.331 19.5 0.02 ABMag g-WFST WFST_WFST-WFC 30
Clear- LAST_LAST-Cam 2025-05-16 21:22:29 - 2026-05-17 18:03:01 2460812.39061 - 2461178.2521 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583541 2026-05-17 18:03:01 2461178.2521 17.53 ABMag Clear- LAST_LAST-Cam 400
583540 2025-05-16 21:22:29 2460812.39061 22.21 ABMag Clear- LAST_LAST-Cam 6620 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-04-16 03:09:40 - 2026-04-20 23:01:00 2461146.631707 - 2461151.459025 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577149 2026-04-20 23:01:00 2461151.459025 18.01 0.03 ABMag L-GOTO GOTO-N_GOTO-2 180
577148 2026-04-16 03:09:40 2461146.631707 20.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-P1 PS2_GPC2 2026-05-01 07:36:05 - 2026-05-01 07:36:05 2461161.81672 - 2461161.81672 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579245 2026-05-01 07:36:05 2461161.81672 17.4 0.04 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2026-04-10 07:43:32 - 2026-04-17 08:00:38 2461140.8218981 - 2461147.8337731 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576479 2026-04-17 08:00:38 2461147.8337731 19.8322 0.0872747 ABMag r-ZTF P48_ZTF-Cam
576478 2026-04-10 07:43:32 2461140.8218981 21.0429 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-20 07:45:14 - 2026-04-20 07:45:14 2461150.8230787 - 2461150.8230787 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576480 2026-04-20 07:45:14 2461150.8230787 18.1779 0.0508251 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-04-21 08:15:33 - 2026-04-21 08:15:33 2461151.84413 - 2461151.84413 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576754 2026-04-21 08:15:33 2461151.84413 18.021 0.055 19.54 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
304280 2026-05-18 04:40:38 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 13:17:50.969 +30:25:11.52 2026-05-17 18:03:01.440 17.53 Clear- PSN LAST N
302286 2026-05-04 15:25:44 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 13:17:50.930 +30:25:11.47 2026-04-17 19:56:38.400 19.5 g-WFST PSN WFST260417adfua WFST N
302139 2026-05-02 15:00:09 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:17:50.932 +30:25:11.46 2026-05-01 07:36:04.608 17.4 i-P1 PSN PS26bdv Pan-STARRS N
301076 2026-04-23 11:43:58 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 13:17:50.939 +30:25:11.52 2026-04-20 23:01:00.192 18.01 L-GOTO Other GOTO26dpk GOTO N
300877 2026-04-21 15:13:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:17:50.931 +30:25:11.62 2026-04-21 08:15:32.832 18.021 orange-ATLAS PSN ATLAS26eot ATLAS N
300739 2026-04-20 08:15:04 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:17:50.936 +30:25:11.63 2026-04-17 08:00:37.995 19.8322 r-ZTF PSN ZTF26aatecol ZTF 2026TNSTR1737....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
23566 2026-04-28 08:29:07 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 0.03733 1 ZTF 2026TNSCR1863....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
23569 2026-04-28 07:38:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2026kcp_2026-04-28_07-38-30.642159_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 05/02/2026 - 15:00

Object coordinates updated

Object coordinates updated according to AT-report 302139 of Group Pan-STARRS
Previous RA, DEC: 13:17:50.936, +30:25:11.63 (199.4622313, +30.4198961)
Updated RA, DEC: 13:17:50.932, +30:25:11.46 (199.462217337, +30.4198501909)