RA/DEC (2000)
05:09:26.672 -18:22:17.10
77.3611339 -18.3714176
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-02-15 09:58:55.488
TNS AT
Y
Public
Y
Discovery Mag
19.26
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_2026dlr - 2026-02-26 05:15:39 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

 ▌GOTO-S_GOTO-3_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_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
23105 2026-02-26 05:15:39 P60 / SEDM 2700 SEDmRobot ZTF tns_2026dlr_2026-02-26_05-15-38.987725_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-11 09:58:22 - 2026-02-15 09:58:55 2461082.915531 - 2461086.915925 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559101 2026-02-15 09:58:55 2461086.915925 19.26 0.09 ABMag L-GOTO GOTO-S_GOTO-3 180
559100 2026-02-11 09:58:22 2461082.915531 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-02-22 03:34:47 - 2026-02-22 03:34:47 2461093.6491551 - 2461093.6491551 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
560334 2026-02-22 03:34:47 2461093.6491551 18.3523 0.0444403 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-02-10 03:01:27 - 2026-02-23 03:05:58 2461081.6260069 - 2461094.6291435 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
560335 2026-02-23 03:05:58 2461094.6291435 18.036 0.052983 ABMag r-ZTF P48_ZTF-Cam
560333 2026-02-10 03:01:27 2461081.6260069 16.0708 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-02-18 08:11:13 - 2026-02-19 08:00:18 2461089.84112 - 2461090.83354 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559699 2026-02-19 08:00:18 2461090.83354 18.357 0.096 19.18 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
559698 2026-02-18 08:11:13 2461089.84112 18.83 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
292359 2026-02-23 03:16:54 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 05:09:26.672 -18:22:17.10 2026-02-22 03:34:47.000 18.3523 i-ZTF PSN ZTF26aagzowo ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
292014 2026-02-20 10:27:47 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 05:09:26.665 -18:22:16.72 2026-02-19 08:00:17.856 18.357 orange-ATLAS PSN ATLAS26cef ATLAS N
291669 2026-02-17 11:59:45 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 05:09:26.665 -18:22:17.49 2026-02-15 09:58:55.488 19.26 L-GOTO Other GOTO26bav GOTO 2026TNSTR.673....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
23104 2026-02-27 22:24:51 ZTF_Bot1 J. Johansson, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN Ia 0.05 1 ZTF 2026TNSCR.872....1J
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
23105 2026-02-26 05:15:39 P60 / SEDM 2700 SEDmRobot ZTF tns_2026dlr_2026-02-26_05-15-38.987725_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 02/23/2026 - 03:16

Object coordinates updated

Object coordinates updated according to AT-report 292359 of Group ZTF
Previous RA, DEC: 05:09:26.665, -18:22:16.72 (77.3611033333, -18.3713116667)
Updated RA, DEC: 05:09:26.672, -18:22:17.10 (77.3611339, -18.3714176)

TNS
System

Fri, 02/20/2026 - 10:30

Object coordinates updated

Object coordinates updated according to AT-report 292014 of Group ATLAS
Previous RA, DEC: 05:09:26.665, -18:22:17.49 (77.361105, -18.371525)
Updated RA, DEC: 05:09:26.665, -18:22:16.72 (77.3611033333, -18.3713116667)