RA/DEC (2000)
16:35:34.990 +26:38:38.36
248.895792 +26.643989
Type
SN Ia
Redshift
0.057498
Discovery ReportClassification Report
Related AstroNotes: 2026-99
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-07 04:29:54.816
TNS AT
Y
Public
Y
Discovery Mag
19.39
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_2026isc - 2026-04-18 09:04:48 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
 ▌GOTO-N_GOTO-2_L
 ▌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
23501 2026-04-18 09:04:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026isc_2026-04-18_09-04-47.531132_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-07 03:28:47 - 2026-04-13 02:11:33 2461137.64499 - 2461143.59135 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
574862 2026-04-13 02:11:33 2461143.59135 18.483 0.047 19.73 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
574861 2026-04-07 03:28:47 2461137.64499 19.21 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
g-WFST WFST_WFST-WFC 2026-04-02 21:17:17 - 2026-04-06 19:59:31 2461133.387 - 2461137.333 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573961 2026-04-06 19:59:31 2461137.333 19.86 0.03 ABMag g-WFST WFST_WFST-WFC 30
573960 2026-04-02 21:17:17 2461133.387 21.25 ABMag g-WFST WFST_WFST-WFC 30 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-04-01 04:41:38 - 2026-04-07 04:29:55 2461131.695585 - 2461137.687439 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
573193 2026-04-07 04:29:55 2461137.687439 19.39 0.19 ABMag L-GOTO GOTO-N_GOTO-2 180
573192 2026-04-01 04:41:38 2461131.695585 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-31 09:46:15 - 2026-04-15 08:52:51 2461130.9071181 - 2461145.8700347 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575359 2026-04-15 08:52:51 2461145.8700347 18.1373 0.0659747 ABMag g-ZTF P48_ZTF-Cam
575358 2026-04-10 11:52:46 2461140.9949769 18.8348 0.0725716 ABMag g-ZTF P48_ZTF-Cam
575357 2026-03-31 09:46:15 2461130.9071181 19.8244 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
300178 2026-04-15 09:32:36 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:35:34.997 +26:38:38.47 2026-04-10 11:52:46.004 18.8348 g-ZTF PSN ZTF26aasjrbb ZTF N
299929 2026-04-13 06:45:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:35:34.988 +26:38:38.47 2026-04-13 02:11:32.640 18.483 wide-ATLAS PSN ATLAS26ecu ATLAS N
299433 2026-04-09 13:26:50 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 16:35:34.990 +26:38:38.36 2026-04-06 19:59:31.200 19.86 g-WFST PSN WFST260406barbw WFST N
299050 2026-04-07 12:14:21 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 16:35:35.008 +26:38:38.87 2026-04-07 04:29:54.816 19.39 L-GOTO Other GOTO26cwl GOTO 2026TNSTR1467....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
23499 2026-04-18 10:02:38 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 0.057498 1 ZTF 2026TNSCR1713....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
23501 2026-04-18 09:04:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026isc_2026-04-18_09-04-47.531132_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 04/09/2026 - 13:26

Object coordinates updated

Object coordinates updated according to AT-report 299433 of Group WFST
Previous RA, DEC: 16:35:35.008, +26:38:38.87 (248.895868, +26.64413)
Updated RA, DEC: 16:35:34.990, +26:38:38.36 (248.895792, +26.643989)