RA/DEC (2000)
13:15:57.992 +17:09:56.47
198.991633432 +17.1656849631
Type
SN II
Redshift
0.023
Discovery ReportClassification Report
Related AstroNotes: 2025-134
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-04-23 21:31:59.808
TNS AT
Y
Public
Y
Discovery Mag
18.79
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_2025iew - 2025-05-02 04:25:27 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2025iew - 2025-04-27 22:49:00 Ekar / AFOSC (Padova-Asiago)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

 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_i
 ▌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
20943 2025-05-02 04:25:27 ESO-NTT / EFOSC2-NTT 2340 Catalina Casanueva, Bastián Ayala Raya Dastidar, Amit Kumar ePESSTO+ tns_2025iew_2025-05-02_04-25-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iew_2025-05-02_04-25-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
20908 2025-04-27 22:49:00 Ekar / AFOSC 1800 M. Mariutti, M. Mattiussi, M. Benedet, L. Filotto, F. Guidolin, A. Reguitti A. Reguitti Padova-Asiago tns_2025iew_2025-04-27_22-49-00_Ekar_AFOSC_Padova-Asiago.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-22 05:04:50 - 2025-04-22 05:04:50 2460787.71169 - 2460787.71169 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483948 2025-04-22 05:04:50 2460787.71169 19.08 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-04-23 01:39:57 - 2025-04-23 21:32:00 2460788.569409 - 2460789.397217 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483777 2025-04-23 21:32:00 2460789.397217 18.79 0.1 ABMag L-GOTO GOTO-N_GOTO-1 180
483776 2025-04-23 01:39:57 2460788.569409 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-23 08:13:17 - 2025-04-29 10:37:57 2460788.8425579 - 2460794.9430208 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484895 2025-04-29 10:37:57 2460794.9430208 17.9996 0.0605336 ABMag r-ZTF P48_ZTF-Cam
484894 2025-04-24 11:14:33 2460789.9684375 18.5419 0.0757208 ABMag r-ZTF P48_ZTF-Cam
484893 2025-04-23 08:13:17 2460788.8425579 20.9166 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-24 08:51:10 - 2025-04-24 08:51:10 2460789.86887 - 2460789.86887 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483949 2025-04-24 08:51:10 2460789.86887 18.414 0.085 19.48 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
i-P1 PS1_GPC1 2025-04-27 07:24:30 - 2025-04-27 07:24:30 2460792.80868 - 2460792.80868 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484604 2025-04-27 07:24:30 2460792.80868 18.31 0.05 20.7 ABMag i-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2025-04-23 11:33:50 - 2025-04-23 11:33:50 2460788.98183 - 2460788.98183 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484288 2025-04-23 11:33:50 2460788.98183 19.55 0.06 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
253063 2025-04-30 01:53:33 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 13:15:57.998 +17:09:56.55 2025-04-24 11:14:32.999 18.5419 r-ZTF PSN ZTF25aaofuee ZTF N
252885 2025-04-29 01:59:46 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 13:15:57.992 +17:09:56.47 2025-04-27 07:24:29.952 18.31 i-P1 PSN PS25bqx Pan-STARRS N
252698 2025-04-26 11:57:42 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:15:58.000 +17:09:56.42 2025-04-23 11:33:50.112 19.55 w-P1 PSN PS25bqx Pan-STARRS N
252539 2025-04-24 13:31:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:15:57.996 +17:09:56.61 2025-04-24 08:51:10.368 18.414 orange-ATLAS PSN ATLAS25edp ATLAS N
252452 2025-04-23 22:34:36 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 13:15:58.007 +17:09:56.78 2025-04-23 21:31:59.808 18.79 L-GOTO Other GOTO25ccb GOTO 2025TNSTR1503....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
20943 2025-05-02 17:13:38 ePESSTOplus_Bot1 Catalina Casanueva, Bastián Ayala, Raya Dastidar, Amit Kumar, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.023 1 Add ePESSTO+ 2025TNSCR1637....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
20943 2025-05-02 04:25:27 ESO-NTT / EFOSC2-NTT 2340 Catalina Casanueva, Bastián Ayala Raya Dastidar, Amit Kumar ePESSTO+ tns_2025iew_2025-05-02_04-25-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iew_2025-05-02_04-25-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
20908 2025-04-27 23:50:54 Andrea Reguitti Manuela Mariutti (UniPd), Martina Mattiussi (UniPd), Maddalena Benedet (UniPd), Luca Filotto (UniPd), Francesco Guidolin (INAF-OAB), Andrea Reguitti (INAF-OAPd), Claudio Balcon (ISSP), Paolo Ochner (UniPd, INAF-OAPd) Padova-Asiago SN 0.02346 1 Add Padova-Asiago Blue continuum from a young SN, possibly of Type II. Redshift known from the host galaxy. 2025TNSCR1560....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
20908 2025-04-27 22:49:00 Ekar / AFOSC 1800 M. Mariutti, M. Mattiussi, M. Benedet, L. Filotto, F. Guidolin, A. Reguitti A. Reguitti Padova-Asiago tns_2025iew_2025-04-27_22-49-00_Ekar_AFOSC_Padova-Asiago.txt Object

Comments

TNS
System

Tue, 04/29/2025 - 01:59

Object coordinates updated

Object coordinates updated according to AT-report 252885 of Group Pan-STARRS
Previous RA, DEC: 13:15:58.000, +17:09:56.42 (198.991668473, +17.1656729011)
Updated RA, DEC: 13:15:57.992, +17:09:56.47 (198.991633432, +17.1656849631)

TNS
System

Sat, 04/26/2025 - 11:57

Object coordinates updated

Object coordinates updated according to AT-report 252698 of Group Pan-STARRS
Previous RA, DEC: 13:15:57.996, +17:09:56.61 (198.991649, +17.165724)
Updated RA, DEC: 13:15:58.000, +17:09:56.42 (198.991668473, +17.1656729011)

TNS
System

Thu, 04/24/2025 - 13:31

Object coordinates updated

Object coordinates updated according to AT-report 252539 of Group ATLAS
Previous RA, DEC: 13:15:58.007, +17:09:56.78 (198.991695, +17.165771)
Updated RA, DEC: 13:15:57.996, +17:09:56.61 (198.991649, +17.165724)