RA/DEC (2000)
15:02:17.255 +11:30:39.79
225.5718961 +11.5110532
Type
SN II
Redshift
0.048
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-06-08 21:40:55.488
TNS AT
Y
Public
Y
Discovery Mag
19.6
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_2026oro - 2026-06-10 04:32:00 LDT / Deveny-LMI (LAST)z=
 ▌SN_2026oro - 2026-06-10 01:32:14 NOT / ALFOSC (GOTO)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
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   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-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌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
23987 2026-06-10 04:32:00 LDT / Deveny-LMI 1800 Erez A. Zimmerman Erez A. Zimmerman LAST tns_2026oro_2026-06-10_04-31-59.71_LDT_Deveny-LMI_LAST.ascii tns_2026oro_2026-06-10_04-31-59.71_LDT_Deveny-LMI_LAST.fits Object flux calibrates using HZ44
23992 2026-06-10 01:32:14 NOT / ALFOSC J. Mills, D. O'Neill, M. Pursiainen GOTO tns_2026oro_2461201.564051_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-06-09 01:08:16 - 2026-06-11 00:03:42 2461200.54741 - 2461202.50257 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591001 2026-06-11 00:03:42 2461202.50257 18.922 0.193 20.19 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
591000 2026-06-09 01:08:16 2461200.54741 19.87 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2026-06-07 21:21:38 - 2026-06-08 18:54:48 2461199.39002 - 2461200.28806 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590329 2026-06-08 18:54:48 2461200.28806 19.67 ABMag Clear- LAST_LAST-Cam 400
590328 2026-06-07 21:21:38 2461199.39002 20.8 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-06-07 11:55:33 - 2026-06-07 11:55:33 2461198.996914 - 2461198.996914 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590315 2026-06-07 11:55:33 2461198.996914 20.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-06-08 21:40:55 - 2026-06-08 21:40:55 2461200.403422 - 2461200.403422 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590316 2026-06-08 21:40:55 2461200.403422 19.6 0.12 ABMag L-GOTO GOTO-N_GOTO-1 180
i-ZTF P48_ZTF-Cam 2026-06-08 06:44:55 - 2026-06-09 07:46:20 2461199.7811921 - 2461200.8238426 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590440 2026-06-09 07:46:20 2461200.8238426 19.5472 0.183058 ABMag i-ZTF P48_ZTF-Cam
590438 2026-06-08 06:44:55 2461199.7811921 20.452 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-06-08 08:28:26 - 2026-06-08 08:28:26 2461199.8530787 - 2461199.8530787 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590439 2026-06-08 08:28:26 2461199.8530787 20.062 0.199532 ABMag g-ZTF P48_ZTF-Cam
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
308075 2026-06-11 10:51:28 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 15:02:17.221 +11:30:39.97 2026-06-11 00:03:42.048 18.922 wide-ATLAS PSN ATLAS26hbu ATLAS N
307789 2026-06-09 10:24:13 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:02:17.255 +11:30:39.79 2026-06-08 08:28:25.999 20.062 g-ZTF PSN ZTF26abamviv ZTF N
307708 2026-06-09 04:03:36 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 15:02:17.183 +11:30:39.31 2026-06-08 18:54:48.384 19.67 Clear- PSN LAST N
307699 2026-06-08 22:35:36 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 15:02:17.212 +11:30:39.87 2026-06-08 21:40:55.488 19.6 L-GOTO Other GOTO26fqv GOTO 2026TNSTR2388....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
23986 2026-06-10 09:50:09 GOTO_bot J. Mills, D. O'Neill, M. Pursiainen, J. Lyman, T. Killestein, B. Godson, K. Ackley, M. Dyer, 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, on behalf of GOTO collaboration GOTO Other 0.048 1 GOTO Blue continuum with no obvious features. Consistent with a young core-collapse supernovae, but the spectrum precludes a robust designation. Redshift from narrow Halpha host line in spectrum. 2026TNSCR2432....1M
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
23992 2026-06-10 01:32:14 NOT / ALFOSC J. Mills, D. O'Neill, M. Pursiainen GOTO tns_2026oro_2461201.564051_NOT_ALFOSC_GOTO.dat Object
23981 2026-06-10 05:43:37 Erez Zimmerman E. A. Zimmerman (WIS), R. Konno (WIS), A. Horowicz (WIS), S. Garrappa (WIS), E. O. Ofek (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration LAST SN II 0.0466 1 LAST Bump at ~4686 indicates a likely young type II SN. Redshift from galactic lines. 2026TNSCR2433....1Z
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
23987 2026-06-10 04:32:00 LDT / Deveny-LMI 1800 Erez A. Zimmerman Erez A. Zimmerman LAST tns_2026oro_2026-06-10_04-31-59.71_LDT_Deveny-LMI_LAST.ascii tns_2026oro_2026-06-10_04-31-59.71_LDT_Deveny-LMI_LAST.fits Object flux calibrates using HZ44

Comments

TNS
System

Tue, 06/09/2026 - 10:24

Object coordinates updated

Object coordinates updated according to AT-report 307789 of Group ZTF
Previous RA, DEC: 15:02:17.212, +11:30:39.87 (225.571716, +11.511074)
Updated RA, DEC: 15:02:17.255, +11:30:39.79 (225.5718961, +11.5110532)