RA/DEC (2000)
20:03:50.200 +09:53:53.31
300.9591658 +9.8981415
Type
SN II
Redshift
0.03264
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-08 04:30:32.832
TNS AT
Y
Public
Y
Discovery Mag
19.46
Filter
L-GOTO
Reporter/s
A. Kumar, 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, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025ndo - 2025-06-28 00:00:00 Keck1 / LRIS (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

 GOTO-S_GOTO-3_L
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_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
21444 2025-06-28 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Wynn Jacobson-Galán Kaustav Kashyap Das ZTF tns_2025ndo_2025-06-28_00-00-00_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-06-06 16:27:24 - 2025-06-06 16:27:24 2460833.185686 - 2460833.185686 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494285 2025-06-06 16:27:24 2460833.185686 19.7 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-06-08 04:30:33 - 2025-06-08 04:30:33 2460834.687882 - 2460834.687882 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494286 2025-06-08 04:30:33 2460834.687882 19.46 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
g-ZTF P48_ZTF-Cam 2025-06-09 09:58:04 - 2025-06-22 08:56:47 2460835.9153241 - 2460848.8727662 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497547 2025-06-22 08:56:47 2460848.8727662 19.1942 0.0571963 ABMag g-ZTF P48_ZTF-Cam
497546 2025-06-09 09:58:04 2460835.9153241 18.8897 0.102585 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-16 11:34:58 - 2025-06-16 11:34:58 2460842.98262 - 2460842.98262 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496324 2025-06-16 11:34:58 2460842.98262 17.4 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-18 11:24:33 - 2025-06-18 11:24:33 2460844.97538 - 2460844.97538 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496325 2025-06-18 11:24:33 2460844.97538 18.742 0.156 19.27 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
259758 2025-06-22 10:04:05 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 20:03:50.200 +09:53:53.31 2025-06-09 09:58:04.002 18.8897 g-ZTF PSN ZTF25aauhheg ZTF N
259116 2025-06-19 09:53:04 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 20:03:50.197 +09:53:53.05 2025-06-18 11:24:32.832 18.742 orange-ATLAS PSN ATLAS25gfo ATLAS N
258061 2025-06-09 09:27:47 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 20:03:50.190 +09:53:53.73 2025-06-08 04:30:32.832 19.46 L-GOTO Other GOTO25dkl GOTO 2025TNSTR2150....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21444 2025-06-30 17:34:43 ZTF_Bot1 K. Das, S. Covarrubias, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.03264 1 ZTF 2025TNSCR2503....1D
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
21444 2025-06-28 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Wynn Jacobson-Galán Kaustav Kashyap Das ZTF tns_2025ndo_2025-06-28_00-00-00_Keck1_LRIS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 259758 of Group ZTF
Previous RA, DEC: 20:03:50.197, +09:53:53.05 (300.959153333, +9.89807)
Updated RA, DEC: 20:03:50.200, +09:53:53.31 (300.9591658, +9.8981415)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 259116 of Group ATLAS
Previous RA, DEC: 20:03:50.190, +09:53:53.73 (300.959124, +9.898257)
Updated RA, DEC: 20:03:50.197, +09:53:53.05 (300.959153333, +9.89807)