RA/DEC (2000)
22:50:42.957 -65:29:16.84
342.678988 -65.488011
Type
---
Redshift
Discovery ReportClassification Report
Related AstroNotes: 2026-195
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-06-07 02:18:14.400
TNS AT
Y
Public
Y
Discovery Mag
18.502
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

 ▌AT_2026okv - 2026-06-13 00:00:00 Gemini-S / GMOS-S (GeminiClass)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),

Light curves

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG3_BlackGEM-Cam3_BG-q
   
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
24060 2026-06-13 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026okv_2026-06-13_Gemini-S_GMOS-S_GeminiClass.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-12-07 11:27:30 - 2026-06-06 18:46:10 2461016.977434 - 2461198.28206 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590120 2026-06-06 18:46:10 2461198.28206 18.89 0.09 ABMag L-GOTO GOTO-S_GOTO-4 180
590119 2025-12-07 11:27:30 2461016.977434 20.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-06-03 08:21:43 - 2026-06-03 08:21:43 2461194.84841 - 2461194.84841 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589502 2026-06-03 08:21:43 2461194.84841 14.88 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-06-07 02:18:14 - 2026-06-07 02:18:14 2461198.596 - 2461198.596 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589503 2026-06-07 02:18:14 2461198.596 18.502 0.109 19.26 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-05-22 08:01:20 - 2026-06-11 07:00:18 2461182.8342593 - 2461202.791875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590950 2026-06-11 07:00:18 2461202.791875 17.49 0.03 20.49 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
590949 2026-05-22 08:01:20 2461182.8342593 20.4 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [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
308053 2026-06-11 09:44:02 BlackGEM_Bot1 L. Landsberg, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 22:50:42.957 -65:29:16.84 2026-06-11 07:00:18.000 17.49 BG-q-BlackGem PSN BGEM J225042.96-652916.8 BlackGEM N
307627 2026-06-08 14:25:25 GOTO_bot G. Ramsay, T. Killestein, K. Ackley et al. GOTO GOTO 22:50:42.979 -65:29:16.15 2026-06-06 18:46:09.984 18.89 L-GOTO Other GOTO26fom GOTO N
307329 2026-06-07 18:26:09 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 22:50:42.938 -65:29:16.79 2026-06-07 02:18:14.400 18.502 orange-ATLAS PSN ATLAS26guu ATLAS 2026TNSTR2372....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
24054 2026-06-14 15:48:30 Priscila Pessi P. Pessi (NCBJ), A. Cikota (NOIRLab/Gemini South), P. Candia (NOIRLab/Gemini South), 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), 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), T. Ahumada (NOIRLab/ SOAR), R. Cartier (University of Antofagasta), E. Sabbi (ISSI Bern), S. Cikota (CAHA) GeminiClass Other 1 GeminiClass Blue continuum. Attempted spectral matching with no reliable result. 2026TNSCR2518....1P
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
24060 2026-06-13 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026okv_2026-06-13_Gemini-S_GMOS-S_GeminiClass.txt Object

Comments

TNS
System

Thu, 06/11/2026 - 09:44

Object coordinates updated

Object coordinates updated according to AT-report 308053 of Group BlackGEM
Previous RA, DEC: 22:50:42.938, -65:29:16.79 (342.678907, -65.487998)
Updated RA, DEC: 22:50:42.957, -65:29:16.84 (342.678988, -65.488011)