RA/DEC (2000)
17:56:52.677 +32:37:59.54
269.219485765 +32.6332060214
Type
SN Ia
Redshift
0.015854
Discovery ReportClassification Report
Related AstroNotes: 2026-56
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-05 13:59:57.120
TNS AT
Y
Public
Y
Discovery Mag
17.346
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_2026ewd - 2026-03-06 10:06:52 P60 / SEDM (ZTF)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-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌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
23142 2026-03-06 10:06:52 P60 / SEDM SEDM Robot ZTF tns_2026ewd_2026-03-06_10-06-51.724233_P60_SEDM_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-02-24 06:28:26 - 2026-03-07 05:48:46 2461095.769746 - 2461106.7422 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563159 2026-03-07 05:48:46 2461106.7422 16.61 0.02 ABMag L-GOTO GOTO-N_GOTO-2 180
563158 2026-02-24 06:28:26 2461095.769746 19.3 ABMag L-GOTO GOTO-N_GOTO-2 90 [Last non detection]
w-P1 PS2_GPC2 2026-06-09 11:54:45 - 2026-06-09 11:54:45 2461200.99635 - 2461200.99635 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590846 2026-06-09 11:54:45 2461200.99635 18.25 0.04 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2026-03-01 11:40:32 - 2026-03-01 11:40:32 2461100.9864815 - 2461100.9864815 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563267 2026-03-01 11:40:32 2461100.9864815 19.763 0.156404 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-03-01 10:20:38 - 2026-03-07 12:35:31 2461100.9309954 - 2461107.0246644 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563268 2026-03-07 12:35:31 2461107.0246644 16.484 0.0504908 ABMag g-ZTF P48_ZTF-Cam
563266 2026-03-01 10:20:38 2461100.9309954 19.1433 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2026-02-26 15:29:25 - 2026-02-26 15:29:25 2461098.14543 - 2461098.14543 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562798 2026-02-26 15:29:25 2461098.14543 19.52 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-05 13:59:57 - 2026-03-05 13:59:57 2461105.0833 - 2461105.0833 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
562799 2026-03-05 13:59:57 2461105.0833 17.346 0.079 18.81 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
307997 2026-06-10 15:50:05 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 17:56:52.677 +32:37:59.54 2026-06-09 11:54:44.640 18.25 w-P1 PSN PS26bwc Pan-STARRS N
293830 2026-03-07 13:17:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 17:56:52.677 +32:37:59.41 2026-03-01 11:40:32.001 19.763 r-ZTF PSN ZTF26aajugdc ZTF N
293782 2026-03-07 09:23:58 GOTO_bot G. Ramsay, T. Killestein, K. Ackley et al. GOTO GOTO 17:56:52.678 +32:37:59.63 2026-03-07 05:48:46.080 16.61 L-GOTO Other GOTO26bqj GOTO N
293625 2026-03-05 17:10:53 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 17:56:52.661 +32:37:59.49 2026-03-05 13:59:57.120 17.346 orange-ATLAS PSN ATLAS26cph ATLAS 2026TNSTR.919....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
23141 2026-03-06 12:12:16 Nabeel Rehemtulla Nabeel Rehemtulla (NU, CIERA) and Jesper Sollerman (Stockholm University) on behalf of the ZTF Collaboration ZTF SN Ia 0.015854 1 ZTF z from NED 2026TNSCR.945....1R
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
23142 2026-03-06 10:06:52 P60 / SEDM SEDM Robot ZTF tns_2026ewd_2026-03-06_10-06-51.724233_P60_SEDM_ZTF.txt Object

Comments

TNS
System

Wed, 06/10/2026 - 15:50

Object coordinates updated

Object coordinates updated according to AT-report 307997 of Group Pan-STARRS
Previous RA, DEC: 17:56:52.677, +32:37:59.41 (269.2194893, +32.6331705)
Updated RA, DEC: 17:56:52.677, +32:37:59.54 (269.219485765, +32.6332060214)

TNS
System

Sat, 03/07/2026 - 13:17

Object coordinates updated

Object coordinates updated according to AT-report 293830 of Group ZTF
Previous RA, DEC: 17:56:52.661, +32:37:59.49 (269.219422857, +32.6331914286)
Updated RA, DEC: 17:56:52.677, +32:37:59.41 (269.2194893, +32.6331705)