RA/DEC (2000)
20:11:24.153 +07:47:32.48
302.8506384 +7.7923557
Type
SN II
Redshift
0.055
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-20 18:23:00.672
TNS AT
Y
Public
Y
Discovery Mag
19.98
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, 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_2026ldr - 2026-06-01 11:47:55 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
23928 2026-06-01 11:47:55 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026ldr_2026-06-01_11-47-55_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-10 04:55:57 - 2026-05-10 04:55:57 2461170.70552 - 2461170.70552 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581973 2026-05-10 04:55:57 2461170.70552 19.25 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-4 2026-04-16 18:40:36 - 2026-04-20 18:23:01 2461147.278191 - 2461151.265983 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579098 2026-04-20 18:23:01 2461151.265983 19.98 0.2 ABMag L-GOTO GOTO-S_GOTO-4 180
579097 2026-04-16 18:40:36 2461147.278191 20.1 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-11 07:59:03 - 2026-05-11 07:59:03 2461171.83267 - 2461171.83267 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581974 2026-05-11 07:59:03 2461171.83267 18.834 0.166 19.09 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
r-ZTF P48_ZTF-Cam 2026-04-18 10:54:37 - 2026-05-01 10:43:30 2461148.9545949 - 2461161.946875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579165 2026-05-01 10:43:30 2461161.946875 19.4095 0.20037 ABMag r-ZTF P48_ZTF-Cam
579164 2026-04-18 10:54:37 2461148.9545949 19.998 0.110327 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-15 11:26:04 - 2026-04-15 11:26:04 2461145.9764352 - 2461145.9764352 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579163 2026-04-15 11:26:04 2461145.9764352 20.1549 ABMag g-ZTF P48_ZTF-Cam [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
303452 2026-05-12 21:23:13 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:11:24.170 +07:47:32.42 2026-05-11 07:59:02.688 18.834 orange-ATLAS PSN ATLAS26fmq ATLAS N
302098 2026-05-01 14:45:10 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:11:24.153 +07:47:32.48 2026-04-18 10:54:36.999 19.998 r-ZTF PSN ZTF26aauqoqy ZTF N
302068 2026-04-30 20:23:41 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 20:11:24.163 +07:47:32.55 2026-04-20 18:23:00.672 19.98 L-GOTO Other GOTO26ecm GOTO 2026TNSTR1890....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23924 2026-06-03 16:57:53 ZTF_Bot1 S. Rose, 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 0.055 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
23928 2026-06-01 11:47:55 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2026ldr_2026-06-01_11-47-55_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Fri, 05/01/2026 - 14:45

Object coordinates updated

Object coordinates updated according to AT-report 302098 of Group ZTF
Previous RA, DEC: 20:11:24.163, +07:47:32.55 (302.85068, +7.792374)
Updated RA, DEC: 20:11:24.153, +07:47:32.48 (302.8506384, +7.7923557)