RA/DEC (2000)
04:43:00.474 +03:09:55.00
70.7519760256 +3.16527901986
Type
SN Ia
Redshift
0.068
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-24 20:28:09.696
TNS AT
Y
Public
Y
Discovery Mag
19.72
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_2026bld - 2026-02-14 05:05:15 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌LAST_LAST-Cam_Clear
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌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
22980 2026-02-14 05:05:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bld_2026-02-14_05-05-15.429027_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2026-01-28 19:34:16 - 2026-02-07 18:46:10 2461069.31546 - 2461079.28206 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556972 2026-02-07 18:46:10 2461079.28206 18.39 ABMag Clear- LAST_LAST-Cam 400
556971 2026-01-28 19:34:16 2461069.31546 19.32 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
w-P1 PS2_GPC2 2026-02-27 07:09:47 - 2026-02-27 07:09:47 2461098.79846 - 2461098.79846 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590406 2026-02-27 07:09:47 2461098.79846 18.81 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-02-03 21:11:44 - 2026-02-03 21:11:44 2461075.38315 - 2461075.38315 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556041 2026-02-03 21:11:44 2461075.38315 14.99 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-01-22 20:51:43 - 2026-01-24 20:28:10 2461063.369248 - 2461065.35289 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554097 2026-01-24 20:28:10 2461065.35289 19.72 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
554096 2026-01-22 20:51:43 2461063.369248 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-29 04:18:02 - 2026-01-31 04:56:23 2461069.6791898 - 2461071.7058218 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554975 2026-01-31 04:56:23 2461071.7058218 18.6586 0.173751 ABMag r-ZTF P48_ZTF-Cam
554973 2026-01-29 04:18:02 2461069.6791898 14.9448 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-01-31 03:24:43 - 2026-01-31 03:24:43 2461071.6421644 - 2461071.6421644 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554974 2026-01-31 03:24:43 2461071.6421644 18.6667 0.085591 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-02-05 08:58:36 - 2026-02-05 08:58:36 2461076.87403 - 2461076.87403 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
556042 2026-02-05 08:58:36 2461076.87403 18.334 0.104 19.12 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
307759 2026-06-09 10:12:05 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:43:00.474 +03:09:55.00 2026-02-27 07:09:46.944 18.81 w-P1 PSN PS26btv Pan-STARRS N
290554 2026-02-09 08:03:47 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 04:43:00.434 +03:09:54.99 2026-02-07 18:46:09.984 18.39 Clear- PSN LAST N
290061 2026-02-06 00:48:31 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 04:43:00.457 +03:09:55.15 2026-02-05 08:58:36.192 18.334 orange-ATLAS PSN ATLAS26bke ATLAS N
289539 2026-01-31 06:20:13 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 04:43:00.454 +03:09:54.96 2026-01-31 03:24:43.004 18.6667 g-ZTF PSN ZTF26aaejkev ZTF N
289081 2026-01-26 17:38:05 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:43:00.389 +03:09:55.25 2026-01-24 20:28:09.696 19.72 L-GOTO Other GOTO26afb GOTO 2026TNSTR.340....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
22979 2026-02-14 05:59:14 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.068 1 ZTF 2026TNSCR.634....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
22980 2026-02-14 05:05:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026bld_2026-02-14_05-05-15.429027_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 06/09/2026 - 10:12

Object coordinates updated

Object coordinates updated according to AT-report 307759 of Group Pan-STARRS
Previous RA, DEC: 04:43:00.454, +03:09:54.96 (70.7518914, +3.1652654)
Updated RA, DEC: 04:43:00.474, +03:09:55.00 (70.7519760256, +3.16527901986)

TNS
System

Sat, 01/31/2026 - 06:20

Object coordinates updated

Object coordinates updated according to AT-report 289539 of Group ZTF
Previous RA, DEC: 04:43:00.389, +03:09:55.25 (70.751619, +3.165347)
Updated RA, DEC: 04:43:00.454, +03:09:54.96 (70.7518914, +3.1652654)