RA/DEC (2000)
21:33:52.928 +41:50:56.07
323.4705338 +41.8489091
Type
SN II
Redshift
0.014693
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-23 04:05:31.200
TNS AT
Y
Public
Y
Discovery Mag
17.394
Filter
wide-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_2026kuw - 2026-05-25 04:52:55 LT / SPRAT (OxQUB)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-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌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
23817 2026-05-25 04:52:55 LT / SPRAT 1500 Robotic OxQUB tns_2026kuw_2026-05-25_04-52-55.170_LT_SPRAT_OxQUB.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-23 04:05:31 - 2026-04-23 04:05:31 2461153.6705 - 2461153.6705 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578157 2026-04-23 04:05:31 2461153.6705 17.394 0.045 19.13 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-12-04 20:05:33 - 2026-05-17 04:59:42 2461014.33719 - 2461177.708132 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583219 2026-05-17 04:59:42 2461177.708132 17.99 0.04 ABMag L-GOTO GOTO-N_GOTO-2 180
583218 2025-12-04 20:05:33 2461014.33719 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-07 12:03:27 - 2026-05-09 10:51:37 2461168.0023958 - 2461169.9525116 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580592 2026-05-09 10:51:37 2461169.9525116 17.1609 0.0376663 ABMag r-ZTF P48_ZTF-Cam
580591 2026-05-07 12:03:27 2461168.0023958 17.1535 0.039785 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-18 11:47:25 - 2026-04-18 11:47:25 2461148.9912616 - 2461148.9912616 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580590 2026-04-18 11:47:25 2461148.9912616 20.3627 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-04-06 15:16:30 - 2026-04-06 15:16:30 2461137.13646 - 2461137.13646 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578156 2026-04-06 15:16:30 2461137.13646 15.62 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
304063 2026-05-17 09:51:24 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 21:33:52.922 +41:50:56.25 2026-05-17 04:59:42.432 17.99 L-GOTO Other GOTO26ets GOTO N
302787 2026-05-09 16:28:07 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:33:52.928 +41:50:56.07 2026-05-07 12:03:26.997 17.1535 r-ZTF PSN ZTF26aauyqac ZTF N
301580 2026-04-26 13:44:35 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 21:33:52.924 +41:50:56.00 2026-04-23 04:05:31.200 17.394 wide-ATLAS PSN ATLAS26exe ATLAS 2026TNSTR1830....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
23813 2026-05-25 13:23:28 Shubham Srivastav S. Srivastav (Oxford), C. R. Angus, D. Magill, M. Nicholl, X. Sheng, D. R. Young (QUB), S. J. Smartt, K. W. Smith (Oxford/QUB), J. H. Gillanders, H. F. Stevance, F. Stoppa (Oxford), T.-W. Chen (NCU), T. Moore (STScI) OxQUB SN II 0.014693 1 OxQUB Reddened SN II, high foreground MW extinction. Redshift from known host. 2026TNSCR2280....1S
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
23817 2026-05-25 04:52:55 LT / SPRAT 1500 Robotic OxQUB tns_2026kuw_2026-05-25_04-52-55.170_LT_SPRAT_OxQUB.txt Object

Comments

TNS
System

Sat, 05/09/2026 - 16:28

Object coordinates updated

Object coordinates updated according to AT-report 302787 of Group ZTF
Previous RA, DEC: 21:33:52.924, +41:50:56.00 (323.470516111, +41.8488877778)
Updated RA, DEC: 21:33:52.928, +41:50:56.07 (323.4705338, +41.8489091)