RA/DEC (2000)
21:12:11.004 -57:16:17.67
318.045848182 -57.2715763636
Type
SN II
Redshift
0.01116
Discovery ReportClassification Report
Related AstroNotes: 2025-180
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-12 00:30:12.672
TNS AT
Y
Public
Y
Discovery Mag
17.222
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (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_2025ngi - 2025-06-13 12:00:00 ANU-2.3m / WiFeS (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-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌Other_Other_Other
   
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
21305 2025-06-13 12:00:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman None tns_2025ngi_2025-06-13.5_ANU-2.3m_WiFeS_None.dat tns_2025ngi_2025-06-13.5_ANU-2.3m_WiFeS_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-06 17:17:14 - 2025-06-13 15:17:40 2460833.220304 - 2460840.137268 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494851 2025-06-13 15:17:40 2460840.137268 17.12 0.07 ABMag L-GOTO GOTO-S_GOTO-4 180
494850 2025-06-06 17:17:14 2460833.220304 19.9 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-10 07:05:05 - 2025-06-10 07:05:05 2460836.7952 - 2460836.7952 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494547 2025-06-10 07:05:05 2460836.7952 18.41 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-06-12 00:30:13 - 2025-06-12 00:30:13 2460838.52098 - 2460838.52098 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494548 2025-06-12 00:30:13 2460838.52098 17.222 0.106 18.63 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
Other- Other_Other 2025-07-14 07:45:09 - 2025-07-30 06:17:54 2460870.82302 - 2460886.76243 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507589 2025-07-30 06:17:54 2460886.76243 18.6 20.3 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
507588 2025-07-30 06:12:47 2460886.75888 18.4 20.3 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
507587 2025-07-14 07:45:09 2460870.82302 19.8 VegaMag Other- Other_Other 180 Robot [Last non detection] MASTER-OAFA
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
265107 2025-08-05 20:42:13 MASTER M.Shilova,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 21:12:10.880 -57:16:17.50 2025-07-30 06:12:47.232 18.4 Other- PSN MASTER OT J211210.88-571617.5 MASTER SN in edge-on galaxy, unfiltered N
258386 2025-06-13 16:24:43 GOTO_bot T. Killestein,D. O'Neill,K. Ackley et al. GOTO GOTO 21:12:11.011 -57:16:17.53 2025-06-13 15:17:40.128 17.12 L-GOTO Other GOTO25dll GOTO N
258181 2025-06-12 08:06:41 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:12:11.004 -57:16:17.67 2025-06-12 00:30:12.672 17.222 orange-ATLAS PSN ATLAS25gbg ATLAS 2025TNSTR2188....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
21305 2025-06-15 03:38:31 Chris Lidman C. Lidman (ANU), K. Auchettl (University of Melbourne/UCSC), D. Cao (ANU), B. Martin (ANU), L. Rauf (ANU), B. P. Schmidt (ANU), and B. E. Tucker (ANU) None SN II 0.01116 1 Classified with Superfit 2025TNSCR2228....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
21305 2025-06-13 12:00:00 ANU-2.3m / WiFeS 600 Robotic C. Lidman None tns_2025ngi_2025-06-13.5_ANU-2.3m_WiFeS_None.dat tns_2025ngi_2025-06-13.5_ANU-2.3m_WiFeS_None.fits Object

Comments