RA/DEC (2000)
02:07:27.255 +19:11:36.78
31.8635613895 +19.1935504815
Type
SN Ic
Redshift
0.0173
Discovery ReportClassification Report
Related AstroNotes: 2025-30, 2025-41
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-09 19:40:42.816
TNS AT
Y
Public
Y
Discovery Mag
18.55
Filter
L-GOTO
Reporter/s
A. Kumar, 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, D. O'Neill, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025iv - 2025-01-23 01:27:45 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-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_i
   
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
20224 2025-01-23 01:27:45 ESO-NTT / EFOSC2-NTT 1199 Hannah Wichern, Simon de Wet Giorgos Leloudas ePESSTO+ tns_2025iv_2025-01-23_01-27-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iv_2025-01-23_01-27-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-01-09 19:40:43 - 2025-01-09 19:40:43 2460685.319944 - 2460685.319944 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461878 2025-01-09 19:40:43 2460685.319944 18.55 0.18 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2025-01-06 23:26:48 - 2025-01-06 23:26:48 2460682.476937 - 2460682.476937 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461877 2025-01-06 23:26:48 2460682.476937 19.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-10 04:09:46 - 2025-01-14 03:15:15 2460685.6734491 - 2460689.6355903 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462216 2025-01-14 03:15:15 2460689.6355903 18.2529 0.067309 ABMag r-ZTF P48_ZTF-Cam
462215 2025-01-10 04:09:46 2460685.6734491 18.5233 0.178797 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-06 04:11:14 - 2025-01-06 04:11:14 2460681.6744676 - 2460681.6744676 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462214 2025-01-06 04:11:14 2460681.6744676 18.6845 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-14 06:42:15 - 2025-01-15 07:37:32 2460689.77934 - 2460690.81773 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462284 2025-01-15 07:37:32 2460690.81773 17.997 0.095 18.88 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
462283 2025-01-14 06:42:15 2460689.77934 18.64 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2025-08-10 13:17:58 - 2025-08-10 13:17:58 2460898.05414 - 2460898.05414 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508313 2025-08-10 13:17:58 2460898.05414 18.94 0.07 20.7 ABMag i-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
265588 2025-08-12 21:44:51 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 02:07:27.255 +19:11:36.78 2025-08-10 13:17:57.696 18.94 i-P1 PSN PS25ghi Pan-STARRS N
241104 2025-01-15 12:17:00 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:07:27.236 +19:11:37.17 2025-01-15 07:37:31.872 17.997 orange-ATLAS PSN ATLAS25akm ATLAS N
241075 2025-01-14 03:25:20 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 02:07:27.256 +19:11:36.88 2025-01-10 04:09:46.002 18.5233 r-ZTF PSN ZTF25aabobjw ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
240922 2025-01-10 10:02:11 GOTO_bot A. Kumar,K. Ackley,M. Dyer et al. GOTO GOTO 02:07:27.254 +19:11:36.68 2025-01-09 19:40:42.816 18.55 L-GOTO Other GOTO25ft GOTO 2025TNSTR.139....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
20224 2025-01-23 17:17:47 ePESSTOplus_Bot1 Hannah Wichern, Simon de Wet, Giorgos Leloudas, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ic 0.0173 1 ePESSTO+ 2025TNSCR.320....1W
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
20224 2025-01-23 01:27:45 ESO-NTT / EFOSC2-NTT 1199 Hannah Wichern, Simon de Wet Giorgos Leloudas ePESSTO+ tns_2025iv_2025-01-23_01-27-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iv_2025-01-23_01-27-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 08/12/2025 - 21:44

Object coordinates updated

Object coordinates updated according to AT-report 265588 of Group Pan-STARRS
Previous RA, DEC: 02:07:27.256, +19:11:36.88 (31.8635666, +19.1935787)
Updated RA, DEC: 02:07:27.255, +19:11:36.78 (31.8635613895, +19.1935504815)

TNS
System

Tue, 01/14/2025 - 03:25

Object coordinates updated

Object coordinates updated according to AT-report 241075 of Group ZTF
Previous RA, DEC: 02:07:27.254, +19:11:36.68 (31.863557, +19.193521)
Updated RA, DEC: 02:07:27.256, +19:11:36.88 (31.8635666, 19.1935787)