RA/DEC (2000)
12:59:19.544 -32:32:44.41
194.831431667 -32.54567
Type
SN Ia
Redshift
0.095
Related AstroNotes: 2025-186
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-14 09:27:29.376
TNS AT
Y
Public
Y
Discovery Mag
19.2
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025nmy - 2025-06-17 02:04:40 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_orange
 ATLAS-STH_ATLAS-03_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
21342 2025-06-17 02:04:40 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025nmy_2025-06-17_02-04-40_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025nmy_2025-06-17_02-04-40_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-23 08:38:49 - 2025-06-14 09:27:29 2460818.860286 - 2460840.89409 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495047 2025-06-14 09:27:29 2460840.89409 19.2 0.13 ABMag L-GOTO GOTO-S_GOTO-4 180
495046 2025-05-23 08:38:49 2460818.860286 19.8 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-20 03:39:27 - 2025-06-20 03:39:27 2460846.6524 - 2460846.6524 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498290 2025-06-20 03:39:27 2460846.6524 19.04 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-06-21 18:53:28 - 2025-06-21 18:53:28 2460848.28713 - 2460848.28713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498291 2025-06-21 18:53:28 2460848.28713 19.459 0.144 19.79 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 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
260072 2025-06-25 21:35:41 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:59:19.544 -32:32:44.41 2025-06-21 18:53:28.032 19.459 cyan-ATLAS PSN ATLAS25gmi ATLAS N
258466 2025-06-14 12:19:09 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 12:59:19.526 -32:32:43.95 2025-06-14 09:27:29.376 19.2 L-GOTO Other GOTO25dmv GOTO 2025TNSTR2215....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21342 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 Ia 0.095 1 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
21342 2025-06-17 02:04:40 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025nmy_2025-06-17_02-04-40_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025nmy_2025-06-17_02-04-40_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 260072 of Group ATLAS
Previous RA, DEC: 12:59:19.526, -32:32:43.95 (194.831358, -32.545543)
Updated RA, DEC: 12:59:19.544, -32:32:44.41 (194.831431667, -32.54567)