RA/DEC (2000)
06:57:16.369 -26:54:37.29
104.318202222 -26.9103588889
Type
SN II
Redshift
0.014
Discovery ReportClassification Report
Related AstroNotes: 2026-77
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-18 19:21:38.016
TNS AT
Y
Public
Y
Discovery Mag
17.504
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_2026fzb - 2026-03-21 02:57:07 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

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
   
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
23311 2026-03-21 02:57:07 FLWO-1.5m / FAST 1800 Yize Dong, S. Karthik Yadavalli Yize Dong, S. Karthik Yadavalli VHU-TDA tns_2026fzb_2026-03-21_02-57-07_FLWO-1.5m_FAST_VHU-TDA.ascii tns_2026fzb_2026-03-21_02-57-07_FLWO-1.5m_FAST_VHU-TDA.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-03-16 09:19:14 - 2026-03-20 09:10:01 2461115.888362 - 2461119.881955 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
567566 2026-03-20 09:10:01 2461119.881955 16.38 0.02 ABMag L-GOTO GOTO-S_GOTO-4 180
567565 2026-03-16 09:19:14 2461115.888362 19 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-03-17 02:05:18 - 2026-03-17 02:05:18 2461116.58701 - 2461116.58701 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565912 2026-03-17 02:05:18 2461116.58701 19.13 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-18 19:21:38 - 2026-03-18 19:21:38 2461118.30669 - 2461118.30669 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565913 2026-03-18 19:21:38 2461118.30669 17.504 0.056 19.23 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
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
295964 2026-03-20 10:05:02 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 06:57:16.368 -26:54:37.20 2026-03-20 09:10:01.344 16.38 L-GOTO Other GOTO26cfo GOTO N
295023 2026-03-19 11:17:15 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 06:57:16.369 -26:54:37.29 2026-03-18 19:21:38.016 17.504 orange-ATLAS PSN ATLAS26dch ATLAS 2026TNSTR1175....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
23310 2026-03-21 05:36:32 Yize Dong Yize Dong (Harvard/CfA), S. Karthik Yadavalli (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 II 0.014 1 1 VHU-TDA Best match is SN1999gi (IIP) at age -7d using SNID-SAGE 2026TNSCR1221....1D
Related files
File Comments Last Modified (UT) Modified By
tns_2026fzb_atrep_23310_VHU-TDA.png 2026-03-21 05:36:32 Yize Dong
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
23311 2026-03-21 02:57:07 FLWO-1.5m / FAST 1800 Yize Dong, S. Karthik Yadavalli Yize Dong, S. Karthik Yadavalli VHU-TDA tns_2026fzb_2026-03-21_02-57-07_FLWO-1.5m_FAST_VHU-TDA.ascii tns_2026fzb_2026-03-21_02-57-07_FLWO-1.5m_FAST_VHU-TDA.fits Object

Comments