RA/DEC (2000)
13:03:04.368 +06:35:59.61
195.768198462 +6.59989153846
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-09 00:51:32.256
TNS AT
Y
Public
Y
Discovery Mag
18.265
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ffg - 2026-03-17 10:21:48 FLWO-1.5m / FAST (VHU-TDA)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

 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
   
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
23315 2026-03-17 10:21:48 FLWO-1.5m / FAST S. Karthik Yadavalli, Yize Dong S. Karthik Yadavalli, Yize Dong VHU-TDA tns_2026ffg_2026-03-17_10-21-48_FLWO-1.5m_FAST_VHU-TDA.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-02 22:48:31 - 2026-03-09 00:51:32 2461102.45036 - 2461108.53579 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563820 2026-03-09 00:51:32 2461108.53579 18.265 0.119 18.99 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
563819 2026-03-02 22:48:31 2461102.45036 18.15 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-03-02 00:56:53 - 2026-03-08 01:11:16 2461101.5395 - 2461107.549489 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564624 2026-03-08 01:11:16 2461107.549489 18.35 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
564623 2026-03-02 00:56:53 2461101.5395 18.9 ABMag L-GOTO GOTO-N_GOTO-1 90 [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
294446 2026-03-14 09:23:45 GOTO_bot M. Pursiainen, K. Ackley, M. Dyer et al. GOTO GOTO 13:03:04.320 +06:35:59.92 2026-03-08 01:11:15.936 18.35 L-GOTO PSN GOTO26bvj GOTO N
294092 2026-03-10 11:56:30 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:03:04.368 +06:35:59.61 2026-03-09 00:51:32.256 18.265 orange-ATLAS PSN ATLAS26ctz ATLAS 2026TNSTR.999....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23314 2026-03-22 07:37:15 Srisurya Yadavalli S. Karthik Yadavalli (Harvard/CfA), Yize Dong (Harvard/CfA), Anya Nugent (Harvard/CfA), V. Ashley Villar (Harvard/CfA), Alex Gagliano (Harvard/CfA), Kaylee de Soto (Harvard/CfA), Danielle Frostig(Harvard/CfA), Edo Berger (Harvard/CfA), Wasundara Athukoralalage (Harvard/CfA), Will Golay (Harvard/CfA), Daichi Hiramatsu (Harvard/CfA), Yuyang Chen (Harvard/CfA) VHU-TDA SN Ia 0.06 1 VHU-TDA Older Ia at same location: SN2018mrz, separation angle is <0.3'', redshift measured from narrow host lines 2026TNSCR1240....1Y
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
23315 2026-03-17 10:21:48 FLWO-1.5m / FAST S. Karthik Yadavalli, Yize Dong S. Karthik Yadavalli, Yize Dong VHU-TDA tns_2026ffg_2026-03-17_10-21-48_FLWO-1.5m_FAST_VHU-TDA.ascii Object

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