RA/DEC (2000)
13:33:25.690 -33:56:10.58
203.357042 -33.936272
Type
SN Ia
Redshift
0.046
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-12-16 01:41:19.104
TNS AT
Y
Public
Y
Discovery Mag
18.552
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_2025ahoe - 2026-01-08 00:00:00 SOAR / Goodman (None)z=
Show H at z=vexp= km/s
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Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
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Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-STH_ATLAS-03_cyan
 BG3_BlackGEM-Cam3_BG-q
 BG2_BlackGEM-Cam2_BG-q
 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
22743 2026-01-08 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) None tns_2025ahoe_2026-01-08_00-00-00_SOAR_Goodman_None.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-12-16 01:41:19 - 2025-12-16 01:41:19 2461025.57036 - 2461025.57036 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540617 2025-12-16 01:41:19 2461025.57036 18.552 0.158 19.12 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-12-31 08:30:00 - 2025-12-31 08:30:00 2461040.8541667 - 2461040.8541667 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546565 2025-12-31 08:30:00 2461040.8541667 20.49 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2026-01-01 08:10:00 - 2026-01-01 08:10:00 2461041.8402778 - 2461041.8402778 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546566 2026-01-01 08:10:00 2461041.8402778 17.95 0.06 20.52 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-14 15:51:32 - 2025-12-14 15:51:32 2461024.16079 - 2461024.16079 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540616 2025-12-14 15:51:32 2461024.16079 18.11 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
285255 2026-01-01 12:01:02 BlackGEM_Bot1 S. Faris,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 13:33:25.690 -33:56:10.58 2026-01-01 08:10:00.000 17.95 BG-q-BlackGem PSN BGEM J133325.69-335610.6 BlackGEM N
281404 2025-12-19 09:36:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 13:33:25.804 -33:56:10.24 2025-12-16 01:41:19.104 18.552 cyan-ATLAS PSN ATLAS25pxz ATLAS 2025TNSTR5057....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
22742 2026-01-08 16:39:29 Jonathan Carney Jonathan Carney (UNC), Iair Arcavi (Tel Aviv), Igor Andreoni (UNC) None SN Ia 0.046 1 Classification and redshift from SNID. 2026TNSCR..68....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
22743 2026-01-08 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) None tns_2025ahoe_2026-01-08_00-00-00_SOAR_Goodman_None.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 285255 of Group BlackGEM
Previous RA, DEC: 13:33:25.804, -33:56:10.24 (203.357515, -33.9361766667)
Updated RA, DEC: 13:33:25.690, -33:56:10.58 (203.357042, -33.936272)