RA/DEC (2000)
20:42:23.192 +13:44:12.68
310.5966342 +13.7368556
Type
SN II
Redshift
0.01
Discovery ReportClassification Report
Related AstroNotes: 2025-156
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-05-22 04:32:35.520
TNS AT
Y
Public
Y
Discovery Mag
18.16
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_2025kzh - 2025-05-25 08:17:58 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_Other
   
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
21137 2025-05-25 08:17:58 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kzh_2025-05-25_08-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kzh_2025-05-25_08-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-05 20:37:24 - 2025-05-27 22:36:25 2460497.35931 - 2460823.44196 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492207 2025-05-27 22:36:25 2460823.44196 18.07 ABMag Clear- LAST_LAST-Cam 400
492206 2024-07-05 20:37:24 2460497.35931 20.91 ABMag Clear- LAST_LAST-Cam 3520 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-05-14 03:43:13 - 2025-05-22 04:32:36 2460809.655014 - 2460817.689297 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489592 2025-05-22 04:32:36 2460817.689297 18.16 0.07 ABMag L-GOTO GOTO-N_GOTO-2 180
489591 2025-05-14 03:43:13 2460809.655014 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-06-25 10:16:11 - 2025-06-25 10:16:11 2460851.9279051 - 2460851.9279051 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498335 2025-06-25 10:16:11 2460851.9279051 17.8878 0.0519567 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-06-22 09:43:02 - 2025-06-22 09:43:02 2460848.9048843 - 2460848.9048843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498334 2025-06-22 09:43:02 2460848.9048843 18.5636 0.0657934 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-20 14:13:21 - 2025-05-20 14:13:21 2460816.0926 - 2460816.0926 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490835 2025-05-20 14:13:21 2460816.0926 18.609 0.118 19.37 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-05-19 14:42:27 - 2025-05-19 14:42:27 2460815.11281 - 2460815.11281 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490834 2025-05-19 14:42:27 2460815.11281 19.04 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Other- Other_Other 2025-05-02 10:18:50 - 2025-07-11 06:37:42 2460797.92975 - 2460867.77618 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501963 2025-07-11 06:37:42 2460867.77618 16.5 18.3 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
501962 2025-07-11 05:44:12 2460867.73903 16.5 18.3 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
501961 2025-05-02 10:18:50 2460797.92975 17.2 VegaMag Other- Other_Other 40 Robot [Last non detection] MASTER-OAFA
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
262134 2025-07-11 20:00:47 MASTER Ya.Kechin,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 20:42:23.310 +13:44:12.10 2025-07-11 05:44:12.192 16.5 Other- PSN MASTER OT J204223.31+134412.1 MASTER N
260092 2025-06-26 06:56:45 Fritz Sam Rose (Caltech),Jesper Sollerman (SU),Christoffer Fremling (Caltech) et al. ZTF ZTF 20:42:23.192 +13:44:12.68 2025-06-22 09:43:02.003 18.5636 g-ZTF PSN ZTF25aawstyi ZTF N
257053 2025-05-28 12:52:30 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 20:42:23.200 +13:44:12.31 2025-05-27 22:36:25.344 18.07 Clear- PSN LAST N
256351 2025-05-24 09:17:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 20:42:23.182 +13:44:12.94 2025-05-20 14:13:20.640 18.609 orange-ATLAS PSN ATLAS25fhw ATLAS N
255714 2025-05-22 05:22:31 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 20:42:23.191 +13:44:12.73 2025-05-22 04:32:35.520 18.16 L-GOTO Other GOTO25cvz GOTO 2025TNSTR1894....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
21137 2025-05-25 16:22:09 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN II 0.01 1 ePESSTO+ 2025TNSCR1963....1C
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
21137 2025-05-25 08:17:58 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kzh_2025-05-25_08-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kzh_2025-05-25_08-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Thu, 06/26/2025 - 06:56

Object coordinates updated

Object coordinates updated according to AT-report 260092 of Group ZTF
Previous RA, DEC: 20:42:23.182, +13:44:12.94 (310.596593333, +13.7369266667)
Updated RA, DEC: 20:42:23.192, +13:44:12.68 (310.5966342, +13.7368556)

TNS
System

Sat, 05/24/2025 - 09:17

Object coordinates updated

Object coordinates updated according to AT-report 256351 of Group ATLAS
Previous RA, DEC: 20:42:23.191, +13:44:12.73 (310.596629, +13.73687)
Updated RA, DEC: 20:42:23.182, +13:44:12.94 (310.596593333, +13.7369266667)