RA/DEC (2000)
15:15:45.660 +02:56:45.80
228.94025161429 +2.9460544785714
Type
SN Ia
Redshift
0.112
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-06-13 22:07:07.104
TNS AT
Y
Public
Y
Discovery Mag
20.17
Filter
L-GOTO
Reporter/s
J. Mills, 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, D. O'Neill, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2026pem - 2026-06-15 01:01:44 NOT / ALFOSC (GOTO)z=
Show H at z=vexp= km/s
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Show S II at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 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
24067 2026-06-15 01:01:44 NOT / ALFOSC M. Pursiainen, J. Mills, D. O'Neill GOTO tns_2026pem_2461206.542870_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2026-06-11 22:21:59 - 2026-06-13 22:07:07 2461203.431927 - 2461205.421609 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591762 2026-06-13 22:07:07 2461205.421609 20.17 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
591761 2026-06-11 22:21:59 2461203.431927 20.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-06-10 06:41:06 - 2026-06-10 06:41:06 2461201.7785417 - 2461201.7785417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591801 2026-06-10 06:41:06 2461201.7785417 20.4655 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-06-09 06:15:13 - 2026-06-15 06:15:10 2461200.7605671 - 2461206.7605324 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591803 2026-06-15 06:15:10 2461206.7605324 19.7952 0.156656 ABMag g-ZTF P48_ZTF-Cam
591802 2026-06-10 07:07:45 2461201.7970486 20.6898 0.169375 ABMag g-ZTF P48_ZTF-Cam
592567 2026-06-10 07:07:45 2461201.7970486 20.603 0.252162 20.5173 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
592566 2026-06-09 06:15:13 2461200.7605671 20.4225 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
308842 2026-06-17 19:20:40 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 15:15:45.660 +02:56:45.80 2026-06-10 07:07:44.999 20.603 g-ZTF PSN ZTF26abbloxx ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26abbloxx N
308451 2026-06-15 09:54:04 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:15:45.635 +02:56:45.85 2026-06-10 07:07:44.999 20.6898 g-ZTF PSN ZTF26abbloxx ZTF N
308433 2026-06-14 23:16:27 GOTO_bot J. Mills, K. Ackley, M. Dyer et al. GOTO GOTO 15:15:45.682 +02:56:46.37 2026-06-13 22:07:07.104 20.17 L-GOTO Other GOTO26fyc GOTO 2026TNSTR2508....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24061 2026-06-15 09:19:52 GOTO_bot M. Pursiainen, J. Mills, D. O'Neill, M. Magee, 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, D. O'Neill, M. Pursiainen, on behalf of GOTO collaboration GOTO SN Ia 0.112 1 GOTO SNID matches to normal type Ia supernovae around peak
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
24067 2026-06-15 01:01:44 NOT / ALFOSC M. Pursiainen, J. Mills, D. O'Neill GOTO tns_2026pem_2461206.542870_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 308842 of Group ZTF
Previous RA, DEC: 15:15:45.635, +02:56:45.85 (228.9401476, +2.9460687)
Updated RA, DEC: 15:15:45.660, +02:56:45.80 (228.94025161429, +2.9460544785714)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 308451 of Group ZTF
Previous RA, DEC: 15:15:45.682, +02:56:46.37 (228.940343, +2.946214)
Updated RA, DEC: 15:15:45.635, +02:56:45.85 (228.9401476, +2.9460687)