RA/DEC (2000)
13:30:58.355 -21:50:46.15
202.74314432 -21.8461528067
Type
SN II
Redshift
0.0243
Discovery ReportClassification Report
Related AstroNotes: 2025-26
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-03 16:53:52.512
TNS AT
Y
Public
Y
Discovery Mag
18.77
Filter
L-GOTO
Reporter/s
A. Kumar, D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025iw - 2025-01-17 07:31:02 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
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ML1_MeerLICHT-Cam_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
20192 2025-01-17 07:31:02 ESO-NTT / EFOSC2-NTT 599 I. Salmaso, F. Ragosta S. Benetti ePESSTO+ tns_2025iw_2025-01-17_07-31-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iw_2025-01-17_07-31-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-01-03 16:53:53 - 2025-01-03 16:53:53 2460679.204082 - 2460679.204082 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461880 2025-01-03 16:53:53 2460679.204082 18.77 0.19 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2024-12-22 08:28:10 - 2024-12-30 07:28:59 2460666.85289 - 2460674.81179 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466962 2024-12-30 07:28:59 2460674.81179 18.453 0.122 19.22 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
466961 2024-12-22 08:28:10 2460666.85289 18.49 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2024-12-31 06:21:33 - 2024-12-31 06:21:33 2460675.764962 - 2460675.764962 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461879 2024-12-31 06:21:33 2460675.764962 18.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-01-26 07:58:04 - 2025-01-26 07:58:04 2460701.8319907 - 2460701.8319907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464709 2025-01-26 07:58:04 2460701.8319907 18.77 0.06 21.42 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem ML1_MeerLICHT-Cam 2021-04-28 00:35:28 - 2021-04-28 00:35:28 2459332.5246296 - 2459332.5246296 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464708 2021-04-28 00:35:28 2459332.5246296 20.8 ABMag BG-q-BlackGem ML1_MeerLICHT-Cam 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-08 12:32:36 - 2025-02-08 12:32:36 2460715.0226389 - 2460715.0226389 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467454 2025-02-08 12:32:36 2460715.0226389 18.3129 0.181354 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-19 13:03:40 - 2025-01-19 13:03:40 2460695.044213 - 2460695.044213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467453 2025-01-19 13:03:40 2460695.044213 19.0296 0.21338 ABMag g-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-02-21 13:00:41 - 2025-02-21 13:00:41 2460728.04214 - 2460728.04214 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
474097 2025-02-21 13:00:41 2460728.04214 18.88 0.04 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
247111 2025-03-07 16:01:41 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:30:58.355 -21:50:46.15 2025-02-21 13:00:40.896 18.88 w-P1 PSN PS25yz Pan-STARRS N
243787 2025-02-08 13:30:57 Fritz Sam Rose (Caltech),Jesper Sollerman (SU),Christoffer Fremling (Caltech) et al. ZTF ZTF 13:30:58.399 -21:50:46.16 2025-01-19 13:03:40.003 19.0296 g-ZTF PSN ZTF25aacmgnn ZTF N
243486 2025-02-04 16:57:25 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:30:58.372 -21:50:46.18 2024-12-30 07:28:58.656 18.453 orange-ATLAS PSN ATLAS24sdg ATLAS N
242478 2025-01-26 10:35:03 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 13:30:58.352 -21:50:46.40 2025-01-26 07:58:04.000 18.77 BG-q-BlackGem 1 PSN BGEM J133058.35-215046.4 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025iw_atrep_242478_BlackGEM.pdf Finding Chart 2025-01-26 10:35:05 BlackGEM_Bot1
240923 2025-01-10 10:08:32 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 13:30:58.388 -21:50:45.98 2025-01-03 16:53:52.512 18.77 L-GOTO Other GOTO25fv GOTO 2025TNSTR.137....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
20192 2025-01-17 18:50:02 ePESSTOplus_Bot1 I. Salmaso, F. Ragosta, S. Benetti, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN II 0.0243 1 Add ePESSTO+ 2025TNSCR.228....1S
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
20192 2025-01-17 07:31:02 ESO-NTT / EFOSC2-NTT 599 I. Salmaso, F. Ragosta S. Benetti ePESSTO+ tns_2025iw_2025-01-17_07-31-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iw_2025-01-17_07-31-02_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Fri, 03/07/2025 - 16:01

Object coordinates updated

Object coordinates updated according to AT-report 247111 of Group Pan-STARRS
Previous RA, DEC: 13:30:58.352, -21:50:46.40 (202.743133, -21.846222)
Updated RA, DEC: 13:30:58.355, -21:50:46.15 (202.74314432, -21.8461528067)

TNS
System

Sun, 01/26/2025 - 10:35

Object coordinates updated

Object coordinates updated according to AT-report 242478 of Group BlackGEM
Previous RA, DEC: 13:30:58.388, -21:50:45.98 (202.743283, -21.846106)
Updated RA, DEC: 13:30:58.352, -21:50:46.40 (202.743133, -21.846222)