RA/DEC (2000)
23:12:57.647 -58:07:42.40
348.2401975 -58.12844375
Type
SN Ia
Redshift
0.01
Discovery ReportClassification Report
Related AstroNotes: 2025-113
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-30 09:24:58.176
TNS AT
Y
Public
Y
Discovery Mag
15.524
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_2025ggm - 2025-04-15 09:46:59 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-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌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
20765 2025-04-15 09:46:59 ESO-NTT / EFOSC2-NTT 300 N. Pyykkinen, C. Humina T. Kravtsov ePESSTO+ tns_2025ggm_2025-04-15_09-46-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ggm_2025-04-15_09-46-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2024-12-24 10:39:33 - 2025-04-05 19:13:36 2460668.94413 - 2460771.301106 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480974 2025-04-05 19:13:36 2460771.301106 15.78 0.02 ABMag L-GOTO GOTO-S_GOTO-3 180
480973 2024-12-24 10:39:33 2460668.94413 18.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2024-12-12 01:22:03 - 2024-12-12 01:22:03 2460656.55698 - 2460656.55698 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479828 2024-12-12 01:22:03 2460656.55698 18.73 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-03-30 09:24:58 - 2025-03-30 09:24:58 2460764.89234 - 2460764.89234 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479829 2025-03-30 09:24:58 2460764.89234 15.524 0.02 18.81 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
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
251035 2025-04-05 20:52:29 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 23:12:57.640 -58:07:42.34 2025-04-05 19:13:35.904 15.78 L-GOTO Other GOTO25bri GOTO N
250344 2025-03-30 17:03:06 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:12:57.647 -58:07:42.40 2025-03-30 09:24:58.176 15.524 cyan-ATLAS PSN ATLAS25diu ATLAS 2025TNSTR1205....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
20765 2025-04-15 16:40:21 ePESSTOplus_Bot1 N. Pyykkinen, C. Humina, T. Kravtsov, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.01 1 Add ePESSTO+ 2025TNSCR1394....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
20765 2025-04-15 09:46:59 ESO-NTT / EFOSC2-NTT 300 N. Pyykkinen, C. Humina T. Kravtsov ePESSTO+ tns_2025ggm_2025-04-15_09-46-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ggm_2025-04-15_09-46-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments