RA/DEC (2000)
03:05:33.470 +04:42:01.37
46.3894563832 +4.7003800587
Type
SN II
Redshift
0.02
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-13 01:50:30.336
TNS AT
Y
Public
Y
Discovery Mag
18.27
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_2025xih - 2025-09-23 11:11:28 P60 / SEDM (ZTF)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

 LAST_LAST-Cam_Clear
 GOTO-S_GOTO-3_L
 GOTO-N_GOTO-2_L
 ATLAS-STH_ATLAS-03_orange
 BG2_BlackGEM-Cam2_BG-q
 P48_ZTF-Cam_i
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 PS1_GPC1_w
   
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
22079 2025-09-23 11:11:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xih_2025-09-23_11-11-28.140462_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-09-12 01:46:02 - 2025-09-15 01:23:25 2460930.57363 - 2460933.55793 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517307 2025-09-15 01:23:25 2460933.55793 18.69 ABMag Clear- LAST_LAST-Cam 400
517306 2025-09-12 01:46:02 2460930.57363 19.35 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-09-03 18:16:51 - 2025-09-03 18:16:51 2460922.261701 - 2460922.261701 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516710 2025-09-03 18:16:51 2460922.261701 19 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-13 01:50:30 - 2025-09-13 01:50:30 2460931.576741 - 2460931.576741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516711 2025-09-13 01:50:30 2460931.576741 18.27 0.16 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-12 23:36:26 - 2025-09-12 23:36:26 2460931.48363 - 2460931.48363 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517106 2025-09-12 23:36:26 2460931.48363 17.89 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-08-26 08:47:20 - 2025-09-23 07:07:41 2460913.8662037 - 2460941.7970023 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519460 2025-09-23 07:07:41 2460941.7970023 18.49 0.07 20.36 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
519459 2025-08-26 08:47:20 2460913.8662037 20.73 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
i-ZTF P48_ZTF-Cam 2025-09-06 09:49:56 - 2025-09-06 09:49:56 2460924.9096759 - 2460924.9096759 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516934 2025-09-06 09:49:56 2460924.9096759 19.7569 0.210885 ABMag i-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-05 07:47:22 - 2025-09-14 10:45:11 2460923.8245602 - 2460932.948044 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516935 2025-09-14 10:45:11 2460932.948044 18.4109 0.073516 ABMag g-ZTF P48_ZTF-Cam
516933 2025-09-05 07:47:22 2460923.8245602 19.1523 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-14 12:50:28 - 2025-09-14 12:50:28 2460933.03505 - 2460933.03505 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517107 2025-09-14 12:50:28 2460933.03505 18.439 0.126 19.13 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
w-P1 PS1_GPC1 2025-10-31 10:42:18 - 2025-10-31 10:42:18 2460979.94604 - 2460979.94604 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546472 2025-10-31 10:42:18 2460979.94604 19.15 0.04 22 ABMag w-P1 PS1_GPC1 45 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
285187 2025-12-31 15:50:37 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 03:05:33.470 +04:42:01.37 2025-10-31 10:42:17.856 19.15 w-P1 PSN PS25lzu Pan-STARRS N
271105 2025-09-24 01:06:02 BlackGEM_Bot1 G. Ramsay,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 03:05:33.461 +04:42:01.33 2025-09-23 07:07:41.000 18.49 BG-q-BlackGem PSN BGEM J030533.46+044201.3 BlackGEM N
270130 2025-09-15 04:03:11 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 03:05:33.486 +04:42:02.23 2025-09-15 01:23:25.152 18.69 Clear- PSN LAST N
270026 2025-09-14 18:39:44 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 03:05:33.467 +04:42:02.05 2025-09-14 12:50:28.320 18.439 orange-ATLAS PSN ATLAS25lho ATLAS N
269939 2025-09-14 12:50:24 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 03:05:33.464 +04:42:01.43 2025-09-06 09:49:55.997 19.7569 i-ZTF PSN ZTF25abqpsil ZTF N
269848 2025-09-13 21:18:35 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 03:05:33.463 +04:42:01.33 2025-09-13 01:50:30.336 18.27 L-GOTO Other GOTO25gzj GOTO 2025TNSTR3674....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
22079 2025-09-23 12:51:54 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.02 1 ZTF 2025TNSCR3837....1S
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
22079 2025-09-23 11:11:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xih_2025-09-23_11-11-28.140462_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 285187 of Group Pan-STARRS
Previous RA, DEC: 03:05:33.464, +04:42:01.43 (46.3894353, +4.7003976)
Updated RA, DEC: 03:05:33.470, +04:42:01.37 (46.3894563832, +4.7003800587)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 269939 of Group ZTF
Previous RA, DEC: 03:05:33.463, +04:42:01.33 (46.389428, +4.70037)
Updated RA, DEC: 03:05:33.464, +04:42:01.43 (46.3894353, +4.7003976)