RA/DEC (2000)
22:31:27.238 -45:08:45.62
337.863493077 -45.1460069231
Type
SN IIn
Redshift
0.115
Discovery ReportClassification Report
Related AstroNotes: 2025-186
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-29 08:34:37.632
TNS AT
Y
Public
Y
Discovery Mag
18.699
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_2025mqf - 2025-06-17 06:09:31 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
 ▌ATLAS-STH_ATLAS-03_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
21331 2025-06-17 06:09:31 ESO-NTT / EFOSC2-NTT 1500 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025mqf_2025-06-17_06-09-31_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025mqf_2025-06-17_06-09-31_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 18:02:45 - 2025-05-24 16:17:52 2460813.251908 - 2460820.179074 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493756 2025-05-24 16:17:52 2460820.179074 19.31 0.17 ABMag L-GOTO GOTO-S_GOTO-4 180
493755 2025-05-17 18:02:45 2460813.251908 18.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-29 08:34:38 - 2025-05-29 08:34:38 2460824.85738 - 2460824.85738 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493102 2025-05-29 08:34:38 2460824.85738 18.699 0.11 19.34 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-23 03:21:19 - 2025-05-23 03:21:19 2460818.6398 - 2460818.6398 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493101 2025-05-23 03:21:19 2460818.6398 19.37 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 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
257822 2025-06-05 10:29:59 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 22:31:27.236 -45:08:45.59 2025-05-24 16:17:51.648 19.31 L-GOTO Other GOTO25dga GOTO N
257471 2025-05-31 16:52:07 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:31:27.238 -45:08:45.62 2025-05-29 08:34:37.632 18.699 cyan-ATLAS PSN ATLAS25fun ATLAS 2025TNSTR2045....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
21331 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 IIn 0.115 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
21331 2025-06-17 06:09:31 ESO-NTT / EFOSC2-NTT 1500 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025mqf_2025-06-17_06-09-31_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025mqf_2025-06-17_06-09-31_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments