RA/DEC (2000)
14:38:04.888 +43:51:40.53
219.520366472 +43.8612590391
Type
TDE-H-He
Redshift
0.223
Discovery ReportClassification Report
Related AstroNotes: 2026-85
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-17 03:56:27.744
TNS AT
Y
Public
Y
Discovery Mag
19.9
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

 ▌TDE_2026dta - 2026-03-25 00:00:00 Lick-3m / KAST (TRex)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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌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
23357 2026-03-25 00:00:00 Lick-3m / KAST E. Hammerstein, R. Chornock TRex tns_2026dta_2026-03-25_Lick-3m_KAST_TRex.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-12 03:10:07 - 2026-03-12 03:10:07 2461111.63203 - 2461111.63203 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564684 2026-03-12 03:10:07 2461111.63203 19.821 0.13 20.08 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2024-06-03 19:13:43 - 2026-02-28 01:42:11 2460465.30119 - 2461099.57096 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562184 2026-02-28 01:42:11 2461099.57096 19.89 ABMag Clear- LAST_LAST-Cam 400
562183 2024-06-03 19:13:43 2460465.30119 21.7 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-02-14 05:17:30 - 2026-02-17 03:56:28 2461085.720494 - 2461088.664207 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559744 2026-02-17 03:56:28 2461088.664207 19.9 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
559743 2026-02-14 05:17:30 2461085.720494 20 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
w-P1 PS2_GPC2 2026-02-17 14:37:53 - 2026-02-17 14:37:53 2461089.10964 - 2461089.10964 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564682 2026-02-17 14:37:53 2461089.10964 20.15 0.04 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2026-02-10 12:17:05 - 2026-02-14 12:11:20 2461082.0118634 - 2461086.0078704 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563008 2026-02-14 12:11:20 2461086.0078704 20.5801 0.16377 ABMag r-ZTF P48_ZTF-Cam
563007 2026-02-10 12:17:05 2461082.0118634 18.7735 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-06 12:22:11 - 2026-03-06 12:22:11 2461106.0154051 - 2461106.0154051 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563009 2026-03-06 12:22:11 2461106.0154051 19.6468 0.212341 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-10 12:42:23 - 2026-03-10 12:42:23 2461110.02943 - 2461110.02943 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564683 2026-03-10 12:42:23 2461110.02943 19.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [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
294476 2026-03-14 14:17:18 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:38:04.875 +43:51:40.34 2026-03-12 03:10:07.392 19.821 wide-ATLAS PSN ATLAS26cyc ATLAS N
294475 2026-03-14 14:16:36 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:38:04.888 +43:51:40.53 2026-02-17 14:37:52.896 20.15 w-P1 PSN PS26arj Pan-STARRS N
293709 2026-03-06 14:26:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:38:04.886 +43:51:40.35 2026-02-14 12:11:20.002 20.5801 r-ZTF PSN ZTF26aahjwyr ZTF N
293299 2026-02-28 06:30:52 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 14:38:04.882 +43:51:39.93 2026-02-28 01:42:10.944 19.89 Clear- PSN LAST N
292037 2026-02-20 19:34:48 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:38:04.924 +43:51:40.70 2026-02-17 03:56:27.744 19.9 L-GOTO Other GOTO26bht GOTO 2026TNSTR.718....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
23355 2026-03-26 04:21:01 Erica Hammerstein Erica Hammerstein on behalf of the ZTF TDE/AGN working group TRex TDE-H-He 0.223 1 TRex 2026TNSCR1310....1H
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
23357 2026-03-25 00:00:00 Lick-3m / KAST E. Hammerstein, R. Chornock TRex tns_2026dta_2026-03-25_Lick-3m_KAST_TRex.flm Object

Comments

TNS
System

Sat, 03/14/2026 - 14:16

Object coordinates updated

Object coordinates updated according to AT-report 294475 of Group Pan-STARRS
Previous RA, DEC: 14:38:04.886, +43:51:40.35 (219.5203568, +43.8612096)
Updated RA, DEC: 14:38:04.888, +43:51:40.53 (219.520366472, +43.8612590391)

TNS
System

Fri, 03/06/2026 - 14:26

Object coordinates updated

Object coordinates updated according to AT-report 293709 of Group ZTF
Previous RA, DEC: 14:38:04.924, +43:51:40.70 (219.520517, +43.861306)
Updated RA, DEC: 14:38:04.886, +43:51:40.35 (219.5203568, +43.8612096)