RA/DEC (2000)
13:06:01.908 -15:50:14.89
196.5079502 -15.8374693
Type
SN II
Redshift
0.0225
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-09 11:38:11.904
TNS AT
Y
Public
Y
Discovery Mag
17.809
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_2026fdy - 2026-03-22 09:01:47 FLWO-1.5m / FAST (VHU-TDA)z=
 ▌SN_2026fdy - 2026-03-18 11:28:13 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-3_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
23320 2026-03-22 09:01:47 FLWO-1.5m / FAST 1800 Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fdy_2026-03-22_09-01-47_FLWO-1.5m_FAST_VHU-TDA.ascii Object
23321 2026-03-18 11:28:13 FLWO-1.5m / FAST 1800 Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fdy_2026-03-18_11-28-13.000_FLWO-1.5m_FAST_VHU-TDA.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-24 15:05:51 - 2026-03-10 15:51:56 2461096.12906 - 2461110.161057 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569048 2026-03-10 15:51:56 2461110.161057 17.06 0.03 ABMag L-GOTO GOTO-S_GOTO-3 135
569047 2026-02-24 15:05:51 2461096.12906 20.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-04 00:40:24 - 2026-03-04 00:40:24 2461103.52806 - 2461103.52806 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563624 2026-03-04 00:40:24 2461103.52806 18.24 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
i-ZTF P48_ZTF-Cam 2026-03-11 08:40:16 - 2026-03-11 08:40:16 2461110.8612963 - 2461110.8612963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563974 2026-03-11 08:40:16 2461110.8612963 17.492 0.0689918 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-03-02 10:11:35 - 2026-03-02 10:11:35 2461101.9247106 - 2461101.9247106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563973 2026-03-02 10:11:35 2461101.9247106 19.856 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-11 10:02:17 - 2026-03-11 10:02:17 2461110.9182523 - 2461110.9182523 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563975 2026-03-11 10:02:17 2461110.9182523 16.8896 0.0371018 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-09 11:38:12 - 2026-03-09 11:38:12 2461108.98486 - 2461108.98486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563625 2026-03-09 11:38:12 2461108.98486 17.809 0.156 17.73 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
296886 2026-03-21 23:13:35 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:06:01.923 -15:50:15.15 2026-03-10 15:51:55.584 17.06 L-GOTO Other GOTO26cdj GOTO N
294169 2026-03-11 10:11:15 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 13:06:01.908 -15:50:14.89 2026-03-11 08:40:16.000 17.492 i-ZTF PSN ZTF26aakjamd ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
293992 2026-03-09 16:20:46 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:06:01.915 -15:50:15.09 2026-03-09 11:38:11.904 17.809 orange-ATLAS PSN ATLAS26csa ATLAS 2026TNSTR.979....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
23319 2026-03-22 11:29:33 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 0.0225 2 1 VHU-TDA Redshift measured from the narrow host lines. Best match is Type IIP based on SNID-SAGE. 2026TNSCR1241....1D
Related files
File Comments Last Modified (UT) Modified By
tns_2026fdy_atrep_23319_VHU-TDA.png 2026-03-22 11:29:34 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
23320 2026-03-22 09:01:47 FLWO-1.5m / FAST 1800 Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fdy_2026-03-22_09-01-47_FLWO-1.5m_FAST_VHU-TDA.ascii Object
23321 2026-03-18 11:28:13 FLWO-1.5m / FAST 1800 Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fdy_2026-03-18_11-28-13.000_FLWO-1.5m_FAST_VHU-TDA.ascii Object

Comments

TNS
System

Wed, 03/11/2026 - 10:11

Object coordinates updated

Object coordinates updated according to AT-report 294169 of Group ZTF
Previous RA, DEC: 13:06:01.915, -15:50:15.09 (196.50798, -15.837526)
Updated RA, DEC: 13:06:01.908, -15:50:14.89 (196.5079502, -15.8374693)