RA/DEC (2000)
02:25:41.407 -23:17:42.66
36.4225286141 -23.2951844444
Type
SN Ia
Redshift
0.053
Discovery ReportClassification Report
Related AstroNotes: 2025-228
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-12 17:22:11.136
TNS AT
Y
Public
Y
Discovery Mag
18.38
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025rbz - 2025-07-24 08:24:10 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-4_L
 ▌PS2_GPC2_i
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_r
   
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
21630 2025-07-24 08:24:10 ESO-NTT / EFOSC2-NTT 800 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rbz_2025-07-24_08-24-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rbz_2025-07-24_08-24-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-08 17:28:26 - 2025-07-12 17:22:11 2460865.228082 - 2460869.223737 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502458 2025-07-12 17:22:11 2460869.223737 18.38 0.13 ABMag L-GOTO GOTO-S_GOTO-4 180
502457 2025-07-08 17:28:26 2460865.228082 18.9 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
i-P1 PS2_GPC2 2025-09-15 12:39:04 - 2025-09-15 12:39:04 2460934.02713 - 2460934.02713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517536 2025-09-15 12:39:04 2460934.02713 20.68 0.32 20.7 ABMag i-P1 PS2_GPC2 27 Robot
w-P1 PS2_GPC2 2025-08-15 14:15:32 - 2025-08-15 14:15:32 2460903.09412 - 2460903.09412 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511912 2025-08-15 14:15:32 2460903.09412 19.19 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-14 09:40:14 - 2025-07-17 06:49:10 2460870.90294 - 2460873.78414 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503171 2025-07-17 06:49:10 2460873.78414 17.839 0.105 18.59 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503170 2025-07-14 09:40:14 2460870.90294 18.65 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-02 10:51:05 - 2025-08-15 09:49:47 2460889.9521412 - 2460902.9095718 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508975 2025-08-15 09:49:47 2460902.9095718 19.018 0.102388 ABMag r-ZTF P48_ZTF-Cam
508974 2025-08-02 10:51:05 2460889.9521412 18.535 0.080427 ABMag r-ZTF P48_ZTF-Cam
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
270229 2025-09-15 18:18:06 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 02:25:41.407 -23:17:42.66 2025-09-15 12:39:04.032 20.68 i-P1 PSN PS25gzl Pan-STARRS N
267457 2025-08-24 00:35:43 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 02:25:41.413 -23:17:42.68 2025-08-15 14:15:31.968 19.19 w-P1 PSN PS25gzl Pan-STARRS N
265925 2025-08-15 10:24:26 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 02:25:41.398 -23:17:42.80 2025-08-02 10:51:04.999 18.535 r-ZTF PSN ZTF25abgvidt ZTF N
262847 2025-07-18 00:51:21 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:25:41.393 -23:17:42.61 2025-07-17 06:49:09.696 17.839 orange-ATLAS PSN ATLAS25htd ATLAS N
262456 2025-07-14 13:04:15 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 02:25:41.421 -23:17:42.62 2025-07-12 17:22:11.136 18.38 L-GOTO Other GOTO25ewb GOTO 2025TNSTR2688....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
21630 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 0.053 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
21630 2025-07-24 08:24:10 ESO-NTT / EFOSC2-NTT 800 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025rbz_2025-07-24_08-24-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025rbz_2025-07-24_08-24-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Mon, 09/15/2025 - 18:18

Object coordinates updated

Object coordinates updated according to AT-report 270229 of Group Pan-STARRS
Previous RA, DEC: 02:25:41.413, -23:17:42.68 (36.4225521883, -23.2951896218)
Updated RA, DEC: 02:25:41.407, -23:17:42.66 (36.4225286141, -23.2951844444)

TNS
System

Sun, 08/24/2025 - 00:35

Object coordinates updated

Object coordinates updated according to AT-report 267457 of Group Pan-STARRS
Previous RA, DEC: 02:25:41.398, -23:17:42.80 (36.4224915, -23.2952218)
Updated RA, DEC: 02:25:41.413, -23:17:42.68 (36.4225521883, -23.2951896218)

TNS
System

Fri, 08/15/2025 - 10:24

Object coordinates updated

Object coordinates updated according to AT-report 265925 of Group ZTF
Previous RA, DEC: 02:25:41.393, -23:17:42.61 (36.422472, -23.29517)
Updated RA, DEC: 02:25:41.398, -23:17:42.80 (36.4224915, -23.2952218)

TNS
System

Fri, 07/18/2025 - 00:51

Object coordinates updated

Object coordinates updated according to AT-report 262847 of Group ATLAS
Previous RA, DEC: 02:25:41.421, -23:17:42.62 (36.422589, -23.295173)
Updated RA, DEC: 02:25:41.393, -23:17:42.61 (36.422472, -23.29517)