RA/DEC (2000)
09:45:41.007 +04:56:56.57
146.4208644 +4.9490482
Type
SN II
Redshift
0.012479
Discovery ReportClassification Report
Related AstroNotes: 2026-171
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-30 17:18:38.592
TNS AT
Y
Public
Y
Discovery Mag
18.451
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_2026nwj - 2026-05-31 05:02:30 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

 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
   
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
23876 2026-05-31 05:02:30 P60 / SEDM SEDM Robot ZTF tns_2026nwj_2461191.71007042_P60_SEDM_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-29 00:25:24 - 2026-05-29 00:25:24 2461189.51764 - 2461189.51764 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588007 2026-05-29 00:25:24 2461189.51764 18.62 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-05-30 17:18:39 - 2026-05-30 17:18:39 2461191.22128 - 2461191.22128 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588008 2026-05-30 17:18:39 2461191.22128 18.451 0.169 18.69 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2026-06-08 04:17:37 - 2026-06-09 04:15:28 2461199.6789005 - 2461200.6774074 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590473 2026-06-09 04:15:28 2461200.6774074 18.7155 0.145779 ABMag r-ZTF P48_ZTF-Cam
590472 2026-06-08 04:17:37 2461199.6789005 18.6864 0.083219 ABMag r-ZTF P48_ZTF-Cam
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
307805 2026-06-09 10:26:06 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:45:41.007 +04:56:56.57 2026-06-08 04:17:37.003 18.6864 r-ZTF PSN ZTF26abajgei ZTF N
306620 2026-05-30 23:47:43 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:45:41.029 +04:56:56.92 2026-05-30 17:18:38.592 18.451 orange-ATLAS PSN ATLAS26goh ATLAS 2026TNSTR2337....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
23872 2026-05-31 16:48:35 Nabeel Rehemtulla Nabeel Rehemtulla (NU) and Jesper Sollerman (Stockholm), on behalf of the ZTF collaboration ZTF SN II 0.012479 1 ZTF broad Halpha; z from NED
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
23876 2026-05-31 05:02:30 P60 / SEDM SEDM Robot ZTF tns_2026nwj_2461191.71007042_P60_SEDM_ZTF.txt Object

Comments

TNS
System

Tue, 06/09/2026 - 10:26

Object coordinates updated

Object coordinates updated according to AT-report 307805 of Group ZTF
Previous RA, DEC: 09:45:41.029, +04:56:56.92 (146.420955, +4.949145)
Updated RA, DEC: 09:45:41.007, +04:56:56.57 (146.4208644, +4.9490482)