RA/DEC (2000)
16:15:02.947 -20:47:54.60
243.76227844762 -20.798500261683
Type
SN II
Redshift
0.029
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-03-24 17:01:35.616
TNS AT
Y
Public
Y
Discovery Mag
19.48
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026hek - 2026-06-04 07:55:29 P200 / NGPS (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

 ▌Rubin_LSSTCam_z
 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
23940 2026-06-04 07:55:29 P200 / NGPS Maggie Li Maggie Li ZTF tns_2026hek_2026-06-04_07-55-29_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
z-LSST Rubin_LSSTCam 2026-05-23 06:46:03 - 2026-05-24 06:10:48 2461183.7819782 - 2461184.7575054 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585197 2026-05-24 06:10:48 2461184.7575054 19.3429 0.00974901 ABMag z-LSST Rubin_LSSTCam 30 Robot Data provided by Rubin/LSST
585196 2026-05-23 06:46:03 2461183.7819782 19.3653 0.0143263 ABMag z-LSST Rubin_LSSTCam 30 Robot Data provided by Rubin/LSST
L-GOTO GOTO-S_GOTO-4 2026-03-20 18:42:24 - 2026-03-24 17:01:36 2461120.279454 - 2461124.209439 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569872 2026-03-24 17:01:36 2461124.209439 19.48 0.11 ABMag L-GOTO GOTO-S_GOTO-4 90
569871 2026-03-20 18:42:24 2461120.279454 20.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-03-23 07:37:58 - 2026-03-23 07:37:58 2461122.81803 - 2461122.81803 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570301 2026-03-23 07:37:58 2461122.81803 19.51 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-30 10:30:57 - 2026-03-30 10:30:57 2461129.9381597 - 2461129.9381597 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571282 2026-03-30 10:30:57 2461129.9381597 19.2427 0.188033 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-28 10:58:35 - 2026-03-28 10:58:35 2461127.9573495 - 2461127.9573495 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571281 2026-03-28 10:58:35 2461127.9573495 19.4604 0.163155 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-03-26 12:01:26 - 2026-03-26 12:01:26 2461126.001 - 2461126.001 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570302 2026-03-26 12:01:26 2461126.001 18.844 0.141 19.25 ABMag cyan-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
305163 2026-05-24 22:07:30 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE Rubin 16:15:02.947 -20:47:54.60 2026-05-23 06:46:02.918 19.3653 z-LSST PSN LSST-AP-DO-170437564676178637 Rubin SN candidate classified using ALeRCE's stamp classifier and the public Rubin/LSST stream. Discovery image and light curve in https://lsst.alerce.online/object/170437564676178637?survey=lsst N
297949 2026-03-30 11:08:27 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:15:02.954 -20:47:54.79 2026-03-28 10:58:34.996 19.4604 g-ZTF PSN ZTF26aaqnzrz ZTF N
297456 2026-03-26 16:09:06 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:15:02.890 -20:47:54.05 2026-03-26 12:01:26.400 18.844 cyan-ATLAS PSN ATLAS26dit ATLAS N
297239 2026-03-25 12:55:03 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 16:15:02.940 -20:47:54.48 2026-03-24 17:01:35.616 19.48 L-GOTO Other GOTO26cla GOTO 2026TNSTR1277....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23936 2026-06-04 21:56:21 ZTF_Bot1 K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN II 0.029 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
23940 2026-06-04 07:55:29 P200 / NGPS Maggie Li Maggie Li ZTF tns_2026hek_2026-06-04_07-55-29_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Sun, 05/24/2026 - 22:07

Object coordinates updated

Object coordinates updated according to AT-report 305163 of Group Rubin
Previous RA, DEC: 16:15:02.954, -20:47:54.79 (243.7623096, -20.7985526)
Updated RA, DEC: 16:15:02.947, -20:47:54.60 (243.76227844762, -20.798500261683)

TNS
System

Mon, 03/30/2026 - 11:08

Object coordinates updated

Object coordinates updated according to AT-report 297949 of Group ZTF
Previous RA, DEC: 16:15:02.890, -20:47:54.05 (243.762042, -20.798346)
Updated RA, DEC: 16:15:02.954, -20:47:54.79 (243.7623096, -20.7985526)

TNS
System

Thu, 03/26/2026 - 16:09

Object coordinates updated

Object coordinates updated according to AT-report 297456 of Group ATLAS
Previous RA, DEC: 16:15:02.940, -20:47:54.48 (243.762252, -20.798466)
Updated RA, DEC: 16:15:02.890, -20:47:54.05 (243.762042, -20.798346)