RA/DEC (2000)
22:09:30.167 -19:11:11.89
332.375696187 -19.1866357399
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Related AstroNotes: 2025-228
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-18 15:10:23.808
TNS AT
Y
Public
Y
Discovery Mag
18.64
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025rku - 2025-07-24 03:28:10 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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌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
21623 2025-07-24 03:28:10 ESO-NTT / EFOSC2-NTT 1200 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rku_2025-07-24_03-28-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rku_2025-07-24_03-28-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-07-18 15:10:24 - 2025-07-18 15:10:24 2460875.13222 - 2460875.13222 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503322 2025-07-18 15:10:24 2460875.13222 18.64 0.07 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-17 05:34:16 - 2025-07-18 07:40:56 2460873.73213 - 2460874.82009 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503376 2025-07-18 07:40:56 2460874.82009 18.562 0.141 19.11 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503375 2025-07-17 05:34:16 2460873.73213 19 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-07-17 01:23:18 - 2025-07-17 01:23:18 2460873.557849 - 2460873.557849 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503321 2025-07-17 01:23:18 2460873.557849 18.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-07-16 09:09:01 - 2025-07-16 09:09:01 2460872.8812616 - 2460872.8812616 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503418 2025-07-16 09:09:01 2460872.8812616 19.0857 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-16 10:01:30 - 2025-07-19 08:53:25 2460872.9177083 - 2460875.8704282 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503420 2025-07-19 08:53:25 2460875.8704282 18.602 0.068442 ABMag r-ZTF P48_ZTF-Cam
503419 2025-07-16 10:01:30 2460872.9177083 19.163 0.21317 ABMag r-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-07-25 11:54:17 - 2025-07-25 11:54:17 2460881.99603 - 2460881.99603 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546434 2025-07-25 11:54:17 2460881.99603 18.16 0.03 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
285149 2025-12-31 15:26:53 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:09:30.167 -19:11:11.89 2025-07-25 11:54:16.992 18.16 w-P1 PSN PS25lyo Pan-STARRS N
262974 2025-07-19 10:56:13 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 22:09:30.163 -19:11:11.78 2025-07-16 10:01:29.997 19.163 r-ZTF PSN ZTF25abbpjct ZTF N
262955 2025-07-18 23:45:34 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:09:30.143 -19:11:11.75 2025-07-18 07:40:55.776 18.562 orange-ATLAS PSN ATLAS25hvx ATLAS N
262929 2025-07-18 17:57:36 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 22:09:30.162 -19:11:12.18 2025-07-18 15:10:23.808 18.64 L-GOTO Other GOTO25fbb GOTO 2025TNSTR2750....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
21623 2025-07-24 19:15:51 ePESSTOplus_Bot1 G. Martins, R. Santos, S. González-Gaitán, J. Duarte, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.05 1 ePESSTO+ 2025TNSCR2879....1M
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
21623 2025-07-24 03:28:10 ESO-NTT / EFOSC2-NTT 1200 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rku_2025-07-24_03-28-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rku_2025-07-24_03-28-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 12/31/2025 - 15:26

Object coordinates updated

Object coordinates updated according to AT-report 285149 of Group Pan-STARRS
Previous RA, DEC: 22:09:30.163, -19:11:11.78 (332.3756775, -19.1866064)
Updated RA, DEC: 22:09:30.167, -19:11:11.89 (332.375696187, -19.1866357399)

TNS
System

Sat, 07/19/2025 - 10:56

Object coordinates updated

Object coordinates updated according to AT-report 262974 of Group ZTF
Previous RA, DEC: 22:09:30.143, -19:11:11.75 (332.37559375, -19.1865975)
Updated RA, DEC: 22:09:30.163, -19:11:11.78 (332.3756775, -19.1866064)

TNS
System

Fri, 07/18/2025 - 23:45

Object coordinates updated

Object coordinates updated according to AT-report 262955 of Group ATLAS
Previous RA, DEC: 22:09:30.162, -19:11:12.18 (332.375674, -19.186718)
Updated RA, DEC: 22:09:30.143, -19:11:11.75 (332.37559375, -19.1865975)