RA/DEC (2000)
20:31:57.946 -10:45:32.46
307.9914403 -10.7590164
Type
SN Ia
Redshift
0.066
Discovery ReportClassification Report
Related AstroNotes: 2026-146
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-27 14:40:58.656
TNS AT
Y
Public
Y
Discovery Mag
17.937
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026hlq - 2026-05-19 00:00:00 Gemini-S / GMOS-S (None)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-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌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
23790 2026-05-19 00:00:00 Gemini-S / GMOS-S Gemini None tns_2026hlq_2026-05-19_Gemini-S_GMOS-S_None.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-03-29 19:04:34 - 2026-03-29 19:04:34 2461129.294842 - 2461129.294842 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571537 2026-03-29 19:04:34 2461129.294842 17.91 0.05 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-12-05 19:17:19 - 2025-12-05 19:17:19 2461015.303685 - 2461015.303685 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571536 2025-12-05 19:17:19 2461015.303685 19.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-03 12:09:59 - 2026-04-05 12:08:27 2461134.0069329 - 2461136.0058681 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579298 2026-04-05 12:08:27 2461136.0058681 18.6389 0.140685 ABMag i-ZTF P48_ZTF-Cam
579297 2026-04-03 12:09:59 2461134.0069329 18.2607 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-02 10:45:07 - 2026-05-02 10:45:07 2461162.9479977 - 2461162.9479977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579299 2026-05-02 10:45:07 2461162.9479977 18.9329 0.127762 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-02 05:24:24 - 2025-12-02 05:24:24 2461011.72528 - 2461011.72528 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570623 2025-12-02 05:24:24 2461011.72528 18.55 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-03-27 14:40:59 - 2026-03-27 14:40:59 2461127.11179 - 2461127.11179 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570624 2026-03-27 14:40:59 2461127.11179 17.937 0.075 18.9 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
302166 2026-05-02 20:31:01 Fritz Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 20:31:57.946 -10:45:32.46 2026-04-05 12:08:27.003 18.6389 i-ZTF PSN ZTF26aarhapx ZTF N
298107 2026-03-31 21:55:06 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:31:57.924 -10:45:32.79 2026-03-29 19:04:34.176 17.91 L-GOTO Other GOTO26cpz GOTO N
297587 2026-03-27 21:01:43 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:31:57.938 -10:45:32.52 2026-03-27 14:40:58.656 17.937 cyan-ATLAS PSN ATLAS26dlg ATLAS 2026TNSTR1313....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
23786 2026-05-20 16:12:53 Priscila Pessi A. Cikota (NOIRLab/Gemini South), P. Pessi (NCBJ), V. Firpo (NOIRLab/Gemini South), F. Gran (NOIRLab/Gemini South), L. Magill (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) None SN Ia 0.066 1 2026TNSCR2202....1C
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
23790 2026-05-19 00:00:00 Gemini-S / GMOS-S Gemini None tns_2026hlq_2026-05-19_Gemini-S_GMOS-S_None.txt Object

Comments

TNS
System

Sat, 05/02/2026 - 20:31

Object coordinates updated

Object coordinates updated according to AT-report 302166 of Group ZTF
Previous RA, DEC: 20:31:57.938, -10:45:32.52 (307.991408, -10.759032)
Updated RA, DEC: 20:31:57.946, -10:45:32.46 (307.9914403, -10.7590164)