RA/DEC (2000)
22:39:47.869 -14:35:51.58
339.94945535851 -14.597661824453
Type
SN Ia
Redshift
0.074
Related AstroNotes: 2026-177
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-26 14:05:05.568
TNS AT
Y
Public
Y
Discovery Mag
18.951
Filter
cyan-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)

Spectra

 SN_2026nul - 2026-06-01 00:00:00 Gemini-S / GMOS-S (GeminiClass)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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Show N II at z=vexp= km/s
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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-STH_ATLAS-03_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_cyan
   
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
23893 2026-06-01 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026nul_2026-06-01_Gemini-S_GMOS-S_GeminiClass.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2026-05-25 02:16:40 - 2026-05-25 02:16:40 2461185.59491 - 2461185.59491 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587819 2026-05-25 02:16:40 2461185.59491 18.48 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-22 04:44:12 - 2026-05-23 04:40:48 2461182.697357 - 2461183.695002 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
588605 2026-05-23 04:40:48 2461183.695002 19.41 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
588604 2026-05-22 04:44:12 2461182.697357 19.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-06-04 11:00:40 - 2026-06-04 11:00:40 2461195.9587963 - 2461195.9587963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589147 2026-06-04 11:00:40 2461195.9587963 19.0757 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
r-ZTF P48_ZTF-Cam 2026-06-05 10:43:41 - 2026-06-05 10:43:41 2461196.9470023 - 2461196.9470023 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589148 2026-06-05 10:43:41 2461196.9470023 18.5239 0.100123 19.4057 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2026-06-05 11:01:36 - 2026-06-05 11:01:36 2461196.9594444 - 2461196.9594444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589149 2026-06-05 11:01:36 2461196.9594444 18.5404 0.0878916 19.341 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-05-26 14:05:06 - 2026-05-26 14:05:06 2461187.08687 - 2461187.08687 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587820 2026-05-26 14:05:06 2461187.08687 18.951 0.14 19.24 ABMag cyan-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
307156 2026-06-05 16:21:48 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 22:39:47.869 -14:35:51.58 2026-06-05 10:43:40.999 18.5239 r-ZTF PSN WISEA J223947.37-143549.7 ZTF26aazwiwd ZTF Early SN candidate (r-rise > 0.06+-0.00 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aazwiwd N
306908 2026-06-03 08:18:35 GOTO_bot P. Charalampopoulos, K. Ackley, M. Dyer et al. GOTO GOTO 22:39:47.880 -14:35:51.59 2026-05-23 04:40:48.000 19.41 L-GOTO Other GOTO26fgl GOTO N
306506 2026-05-28 18:26:42 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 22:39:47.901 -14:35:51.12 2026-05-26 14:05:05.568 18.951 cyan-ATLAS PSN ATLAS26glv ATLAS 2026TNSTR2312....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
23889 2026-06-02 16:41:27 Priscila Pessi A. Cikota (NOIRLab/Gemini South), P. Pessi (NCBJ), D. May (NOIRLab/Gemini South), V. Firpo (NOIRLab/Gemini South), F. Gran (NOIRLab/Gemini South), L. Magill (NOIRLab/Gemini South), P. King (NOIRLab/Gemini South), K. Silva (NOIRLab/Gemini South), P. Candia (NOIRLab/Gemini South), R. Ruiz-Carmona (NOIRLab/Gemini South), S. Panda (NOIRLab/Gemini South), J. Font-Serra (NOIRLab/Gemini South), R. Angeloni (NOIRLab/Gemini South), V. Kalari (NOIRLab/Gemini South), C. Rodriguez (NOIRLab/Gemini South), J.-E. Heo (NOIRLab/Gemini South), E. Sabbi (NOIRLab), T. Ahumada (NOIRLab/ SOAR), R. Cartier (University of Antofagasta), S. Cikota (CAHA) GeminiClass SN Ia 0.074 1 GeminiClass
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
23893 2026-06-01 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026nul_2026-06-01_Gemini-S_GMOS-S_GeminiClass.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 307156 of Group ZTF
Previous RA, DEC: 22:39:47.901, -14:35:51.12 (339.949588, -14.597532)
Updated RA, DEC: 22:39:47.869, -14:35:51.58 (339.94945535851, -14.597661824453)