RA/DEC (2000)
11:28:56.976 +58:11:32.17
172.2374017 +58.1922694
Type
SN Ia
Redshift
0.0605
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-08 09:51:10.656
TNS AT
Y
Public
Y
Discovery Mag
18.198
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_2026fec - 2026-03-17 08:25:58 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

 ▌WFST_WFST-WFC_r
 ▌WFST_WFST-WFC_g
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
23322 2026-03-17 08:25:58 FLWO-1.5m / FAST Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fec_2026-03-17_08-25-58_FLWO-1.5m_FAST_VHU-TDA.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-02-24 17:06:43 - 2026-02-24 17:06:43 2461096.213 - 2461096.213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571875 2026-02-24 17:06:43 2461096.213 20.4 ABMag r-WFST WFST_WFST-WFC 30 [Last non detection]
g-WFST WFST_WFST-WFC 2026-03-02 15:34:34 - 2026-03-02 15:34:34 2461102.149 - 2461102.149 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571876 2026-03-02 15:34:34 2461102.149 20.37 0.13 ABMag g-WFST WFST_WFST-WFC 30
r-ZTF P48_ZTF-Cam 2026-03-06 09:51:33 - 2026-03-06 09:51:33 2461105.9107986 - 2461105.9107986 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563970 2026-03-06 09:51:33 2461105.9107986 19.6511 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-06 11:21:42 - 2026-03-11 09:51:56 2461105.9734028 - 2461110.9110648 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563972 2026-03-11 09:51:56 2461110.9110648 17.8133 0.0667088 ABMag g-ZTF P48_ZTF-Cam
563971 2026-03-06 11:21:42 2461105.9734028 18.7409 0.127278 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-08 09:51:11 - 2026-03-08 09:51:11 2461107.91054 - 2461107.91054 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563642 2026-03-08 09:51:11 2461107.91054 18.198 0.103 19.22 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-07 10:24:54 - 2026-03-07 10:24:54 2461106.93396 - 2461106.93396 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563641 2026-03-07 10:24:54 2461106.93396 16.75 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [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
298287 2026-04-02 14:36:25 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 11:28:56.930 +58:11:32.20 2026-03-02 15:34:33.600 20.37 g-WFST PSN WFST0537awpmd WFST N
294168 2026-03-11 10:10:52 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 11:28:56.976 +58:11:32.17 2026-03-06 11:21:42.001 18.7409 g-ZTF PSN ZTF18aciccfo ZTF N
294001 2026-03-09 17:43:55 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 11:28:56.930 +58:11:32.21 2026-03-08 09:51:10.656 18.198 orange-ATLAS PSN ATLAS26csj 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
23320 2026-03-22 11:32:58 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 Ia 0.0605 1 1 VHU-TDA redshift measured from the narrow host lines. Best match is 2003ic (Type Ia) based on SNID-SAGE 2026TNSCR1241....1D
Related files
File Comments Last Modified (UT) Modified By
tns_2026fec_atrep_23320_VHU-TDA.png 2026-03-22 11:32:58 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
23322 2026-03-17 08:25:58 FLWO-1.5m / FAST Yize Dong (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026fec_2026-03-17_08-25-58_FLWO-1.5m_FAST_VHU-TDA.ascii Object

Comments

TNS
System

Wed, 03/11/2026 - 10:10

Object coordinates updated

Object coordinates updated according to AT-report 294168 of Group ZTF
Previous RA, DEC: 11:28:56.930, +58:11:32.21 (172.237207692, +58.19228)
Updated RA, DEC: 11:28:56.976, +58:11:32.17 (172.2374017, +58.1922694)