RA/DEC (2000)
10:56:29.940 -07:07:24.41
164.124747964 -7.12344588955
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-22 14:35:17.376
TNS AT
Y
Public
Y
Discovery Mag
19.65
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_2026bre - 2026-01-30 01:52:57 LT / SPRAT (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
▌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
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
   
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
22885 2026-01-30 01:52:57 LT / SPRAT 1200 D O'Neill, M. Pursiainen, B. Godson GOTO tns_2026bre_2026-01-30_01-52-57_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-01-21 15:19:44 - 2026-01-22 14:35:17 2461062.138704 - 2461063.107837 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554600 2026-01-22 14:35:17 2461063.107837 19.65 0.11 ABMag L-GOTO GOTO-S_GOTO-3 180
554599 2026-01-21 15:19:44 2461062.138704 20.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2026-02-13 11:21:06 - 2026-02-13 11:21:06 2461084.97299 - 2461084.97299 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
558924 2026-02-13 11:21:06 2461084.97299 17.82 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2026-01-26 10:07:28 - 2026-01-31 07:42:11 2461066.9218519 - 2461071.8209606 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
555022 2026-01-31 07:42:11 2461071.8209606 17.9452 0.0899125 ABMag r-ZTF P48_ZTF-Cam
555021 2026-01-29 10:04:01 2461069.919456 18.1437 0.155594 ABMag r-ZTF P48_ZTF-Cam
555020 2026-01-26 10:07:28 2461066.9218519 18.714 ABMag r-ZTF P48_ZTF-Cam [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
291559 2026-02-16 16:29:04 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 10:56:29.940 -07:07:24.41 2026-02-13 11:21:06.336 17.82 w-P1 PSN PS26adz Pan-STARRS N
289556 2026-01-31 08:45:18 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:56:29.947 -07:07:24.31 2026-01-29 10:04:00.998 18.1437 r-ZTF PSN ZTF26aaeckjx ZTF N
289330 2026-01-29 16:10:17 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 10:56:29.945 -07:07:24.29 2026-01-22 14:35:17.376 19.65 L-GOTO Other GOTO26ajs GOTO 2026TNSTR.385....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
22884 2026-01-30 11:48:34 David O'Neill D. O'Neill, M. Pursiainen, J. Lyman, B. Godson, T. Killestein, 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, A. Kumar, on behalf of GOTO collaboration GOTO SN Ia 0.05 1 GOTO Spectrum consistent with a Ia at redshift z ~ 0.05. Classification performed using template matching with SNID-SAGE (Stoppa, 2025). 2026TNSCR.407....1O
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
22885 2026-01-30 01:52:57 LT / SPRAT 1200 D O'Neill, M. Pursiainen, B. Godson GOTO tns_2026bre_2026-01-30_01-52-57_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Mon, 02/16/2026 - 16:29

Object coordinates updated

Object coordinates updated according to AT-report 291559 of Group Pan-STARRS
Previous RA, DEC: 10:56:29.947, -07:07:24.31 (164.1247775, -7.1234185)
Updated RA, DEC: 10:56:29.940, -07:07:24.41 (164.124747964, -7.12344588955)

TNS
System

Sat, 01/31/2026 - 08:45

Object coordinates updated

Object coordinates updated according to AT-report 289556 of Group ZTF
Previous RA, DEC: 10:56:29.945, -07:07:24.29 (164.124769, -7.123414)
Updated RA, DEC: 10:56:29.947, -07:07:24.31 (164.1247775, -7.1234185)