RA/DEC (2000)
23:19:55.198 -71:32:14.62
349.97999 -71.537394
Type
SN II
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2025-186
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-29 08:17:41.568
TNS AT
Y
Public
Y
Discovery Mag
18.559
Filter
cyan-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_2025mlo - 2025-06-17 06:41:50 ESO-NTT / EFOSC2-NTT (ePESSTO+)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_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
21330 2025-06-17 06:41:50 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025mlo_2025-06-17_06-41-50_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025mlo_2025-06-17_06-41-50_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-17 17:35:55 - 2025-05-24 17:02:46 2460813.233275 - 2460820.210258 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493832 2025-05-24 17:02:46 2460820.210258 19.48 0.17 ABMag L-GOTO GOTO-S_GOTO-4 180
493831 2025-05-17 17:35:55 2460813.233275 18.7 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-25 10:32:15 - 2025-05-29 08:17:42 2460820.93906 - 2460824.84562 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492596 2025-05-29 08:17:42 2460824.84562 18.559 0.11 19.27 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
492595 2025-05-25 10:32:15 2460820.93906 18.51 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 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
257859 2025-06-05 19:26:33 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 23:19:55.347 -71:32:14.46 2025-05-24 17:02:46.464 19.48 L-GOTO Other GOTO25dis GOTO N
257251 2025-05-29 15:37:45 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:19:55.198 -71:32:14.62 2025-05-29 08:17:41.568 18.559 cyan-ATLAS PSN ATLAS25fsq ATLAS 2025TNSTR2014....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
21330 2025-06-17 20:00:21 ePESSTOplus_Bot1 P.J.Pessi, E.Concepcion, N.Ihanec,M.Gromadzki, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN II 0.06 1 Add ePESSTO+ 2025TNSCR2264....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
21330 2025-06-17 06:41:50 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025mlo_2025-06-17_06-41-50_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025mlo_2025-06-17_06-41-50_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments