RA/DEC (2000)
10:52:36.529 +22:55:54.04
163.1522051 +22.9316777
Type
SN Ic
Redshift
0.00424
Discovery ReportClassification Report
Related AstroNotes: 2026-110, 2026-114, 2026-126
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-22 07:31:46.272
TNS AT
Y
Public
Y
Discovery Mag
18.086
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_2026kie - 2026-05-03 03:03:47 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2026kie - 2026-04-30 12:00:00 ANU-2.3m / WiFeS (Supernova Alliance)z=
 ▌SN_2026kie - 2026-04-23 09:31:11 ANU-2.3m / WiFeS (Supernova Alliance)z=
 ▌SN_2026kie - 2026-04-23 07:45:42 Gemini-N / GMOS (DLT40)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

 ▌LAST_LAST-Cam_Clear
 ▌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
23665 2026-05-03 03:03:47 ESO-NTT / EFOSC2-NTT 1200 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026kie_2026-05-03_03-03-47.00_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci Object Grism Gr13
23596 2026-04-30 12:00:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman Supernova Alliance tns_2026kie_2026-04-30.5_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026kie_2026-04-30.5_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object
23539 2026-04-23 09:31:11 ANU-2.3m / WiFeS Brian Schmidt Chris Lidman Supernova Alliance tns_2026kie_2026-04-23_09-31-11_ANU-2.3m_WiFeS_Supernova_Alliance.dat Object
23541 2026-04-23 07:45:42 Gemini-N / GMOS 900 T. Mocnik J. Andrews DLT40 tns_2026kie_2461153.8234_Gemini-N_GMOS_DLT40.dat tns_2026kie_2461153.8234_Gemini-N_GMOS_DLT40.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2026-05-12 17:37:36 - 2026-05-20 17:43:43 2461173.23444 - 2461181.23869 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584445 2026-05-20 17:43:43 2461181.23869 16.59 ABMag Clear- LAST_LAST-Cam 400
584444 2026-05-12 17:37:36 2461173.23444 20.03 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-04-20 21:23:39 - 2026-04-21 21:38:41 2461151.391419 - 2461152.401863 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578045 2026-04-21 21:38:41 2461152.401863 18.2 0.05 ABMag L-GOTO GOTO-N_GOTO-2 135
578044 2026-04-20 21:23:39 2461151.391419 19.7 ABMag L-GOTO GOTO-N_GOTO-2 90 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-24 04:13:26 - 2026-04-24 04:13:26 2461154.6759954 - 2461154.6759954 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577554 2026-04-24 04:13:26 2461154.6759954 17.4058 0.0487594 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-20 07:23:55 - 2026-04-24 06:54:00 2461150.8082755 - 2461154.7875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577555 2026-04-24 06:54:00 2461154.7875 18.1301 0.0756179 ABMag g-ZTF P48_ZTF-Cam
577553 2026-04-20 07:23:55 2461150.8082755 20.6161 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-04-21 07:59:18 - 2026-04-22 07:31:46 2461151.83285 - 2461152.81373 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576896 2026-04-22 07:31:46 2461152.81373 18.086 0.097 19.44 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
576895 2026-04-21 07:59:18 2461151.83285 19.49 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
304819 2026-05-21 19:01:38 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 10:52:36.471 +22:55:53.45 2026-05-20 17:43:42.816 16.59 Clear- PSN LAST N
301520 2026-04-25 21:35:49 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 10:52:36.506 +22:55:54.53 2026-04-21 21:38:40.704 18.2 L-GOTO Other GOTO26dqt GOTO N
301276 2026-04-24 07:34:31 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:52:36.529 +22:55:54.04 2026-04-24 04:13:26.002 17.4058 r-ZTF PSN ZTF26aatzrft ZTF N
300956 2026-04-22 16:06:45 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 10:52:36.526 +22:55:54.18 2026-04-22 07:31:46.272 18.086 orange-ATLAS PSN ATLAS26epm ATLAS 2026TNSTR1763....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
23662 2026-05-07 20:30:56 Cameron Pfeffer C. Pfeffer (Hawaii IfA), A. Gal-Yam (Weizmann), C. Ashall (Hawaii IfA), O. Yaron (Weizmann), J. Anderson (ESO), W. Hoogendam (Hawaii IfA), L. Izzo (INAF), A. Singh (Stockholm), J. Khaulsay (Cardiff), C. Cárdenas (UA), A. Sankar.K (NCU), A. Dutta (NCU), A. Aryan (NCU), T-W. Chen (NCU), C. Inserra (Cardiff), E. Kankare (UTU), T. Müller Bravo (Trinity), P. Pessi (Stockholm), D. R. Young (QUB), J. Johansson (Stockholm) ePESSTO+ SN Ic 0.00424 1 1 ePESSTO+ We re-classify SN2026kie as Type Ic following a SNID-Sage match to SN2004aw. See AstroNote 2026-126 for details 2026TNSCR1979....1P
Related files
File Comments Last Modified (UT) Modified By
tns_2026kie_atrep_23662_ePESSTO+.png SNID-SAGE classification 2026-05-07 20:30:56 Cameron Pfeffer
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
23665 2026-05-03 03:03:47 ESO-NTT / EFOSC2-NTT 1200 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen ePESSTO+ tns_2026kie_2026-05-03_03-03-47.00_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci Object Grism Gr13
23593 2026-05-01 09:28:53 Chris Lidman C. Lidman (ANU), B. P. Schmidt (ANU), K. Auchettl (University of Melbourne/UCSC), B. Martin (ANU), A. Moller (Swinburne), L. Rauf (ANU), and B. E. Tucker (ANU) Supernova Alliance SN Ib 0.00424 1 Supernova Alliance Classified with superfit. A good match to SN 1987M 7 days after Max. 2026TNSCR1911....1L
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
23596 2026-04-30 12:00:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman Supernova Alliance tns_2026kie_2026-04-30.5_ANU-2.3m_WiFeS_Supernova_Alliance.dat tns_2026kie_2026-04-30.5_ANU-2.3m_WiFeS_Supernova_Alliance.fits Object
23538 2026-04-23 15:11:49 K. Azalee Bostroem K. Azalee Bostroem, J. E. Andrews, T. Mocnik, D. J. Sand, S. W. Jha, S. Valenti,  M. Lundquist, E. Hoang, M. Shrestha, Y. Dong, D. Janzen, G. Hosseinzadeh, J. Pearson, N. Meza,  D. Mehta, A. Ravi, A. Martas, B. Subrayan, L. Kwok, C. Ransome, J. Vinko, B. Hsu, S. Vasylyev DLT40 SN I 1 DLT40 This target was classified through the DLT40 Gemini LLP program using SNID (Blondin & Tonry 2007) and Gelato. The classification remains ambiguous with similar quality matches to young SNe I: SN Ia 91T-like (z=0.009), SLSN-I (z=-0.009), and SN Ic-BL (z=0.004). We encourage follow-up spectroscopy. 2026TNSCR1788....1B
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
23541 2026-04-23 07:45:42 Gemini-N / GMOS 900 T. Mocnik J. Andrews DLT40 tns_2026kie_2461153.8234_Gemini-N_GMOS_DLT40.dat tns_2026kie_2461153.8234_Gemini-N_GMOS_DLT40.fits Object
23536 2026-04-23 11:39:16 Brian Schmidt B. Schmidt (ANU), K. Auchettl (University of Melbourne/UCSC), C. Lidman (ANU), B. Martin (ANU), Anais Moller (Swinburne), L. Rauf (ANU), Sara Romagnoli (University of Melbourne), Jennifer Shi (University of Melbourne), B. E. Tucker (ANU) , Manisha Shrestha (Monash University) Supernova Alliance SN 0.004 1 Supernova Alliance object shows smooth continuum perhaps with a broad absorption equivalent to 15000 km/s blueshifted Halpha, but not a definitive ID. 2026TNSCR1791....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
23539 2026-04-23 09:31:11 ANU-2.3m / WiFeS Brian Schmidt Chris Lidman Supernova Alliance tns_2026kie_2026-04-23_09-31-11_ANU-2.3m_WiFeS_Supernova_Alliance.dat Object

Comments

TNS
System

Fri, 04/24/2026 - 07:34

Object coordinates updated

Object coordinates updated according to AT-report 301276 of Group ZTF
Previous RA, DEC: 10:52:36.526, +22:55:54.18 (163.15219, +22.9317175)
Updated RA, DEC: 10:52:36.529, +22:55:54.04 (163.1522051, +22.9316777)