RA/DEC (2000)
04:43:45.383 -15:49:00.13
70.9390944 -15.8167014
Type
SN Ia
Redshift
0.039
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-01-19 10:53:43.872
TNS AT
Y
Public
Y
Discovery Mag
19.22
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_2026azr - 2026-01-24 20:37:06 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
 ▌P48_ZTF-Cam_r
 ▌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
22856 2026-01-24 20:37:06 LT / SPRAT Robotic GOTO tns_2026azr_2026-01-24_20-37-05.549_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-01-17 10:43:21 - 2026-01-19 10:53:44 2461057.946773 - 2461059.953981 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
552781 2026-01-19 10:53:44 2461059.953981 19.22 0.1 ABMag L-GOTO GOTO-S_GOTO-3 180
552780 2026-01-17 10:43:21 2461057.946773 20.1 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-01-26 05:03:39 - 2026-01-26 05:03:39 2461066.7108681 - 2461066.7108681 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553918 2026-01-26 05:03:39 2461066.7108681 17.3402 0.0698396 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-01-18 03:57:16 - 2026-01-20 03:25:49 2461058.6647685 - 2461060.6429282 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553917 2026-01-20 03:25:49 2461060.6429282 18.7934 0.10219 ABMag g-ZTF P48_ZTF-Cam
553916 2026-01-18 03:57:16 2461058.6647685 19.3254 ABMag g-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
288974 2026-01-26 05:14:46 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 04:43:45.383 -15:49:00.13 2026-01-20 03:25:48.996 18.7934 g-ZTF PSN ZTF17aabbwwl ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
288344 2026-01-22 11:13:46 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:43:45.403 -15:49:00.43 2026-01-19 10:53:43.872 19.22 L-GOTO Other GOTO26vq GOTO 2026TNSTR.285....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
22855 2026-01-25 10:07:12 Miika Pursiainen M. Pursiainen, P. Charalampopoulos, D. O'Neill, R. Eyles-Ferris, K. Ackley, M. J. Dyer, J. Lyman, K. Ulaczyk, S. Belkin, D. Steeghs, D. K. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. P. Breton, L. K. Nuttall, D. Pollacco, J. Casares Vel'azquez, T. Killestein, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.039 1 GOTO Decent template matches to Type Ia SNe at redshift of the host galaxy (0.0390, NED) 2026TNSCR.336....1P
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
22856 2026-01-24 20:37:06 LT / SPRAT Robotic GOTO tns_2026azr_2026-01-24_20-37-05.549_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Mon, 01/26/2026 - 05:14

Object coordinates updated

Object coordinates updated according to AT-report 288974 of Group ZTF
Previous RA, DEC: 04:43:45.403, -15:49:00.43 (70.939179, -15.816787)
Updated RA, DEC: 04:43:45.383, -15:49:00.13 (70.9390944, -15.8167014)