RA/DEC (2000)
08:17:39.884 +04:36:53.16
124.416181802 +4.61476787169
Type
SN Ic
Redshift
0.014083
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-17 03:27:44.928
TNS AT
Y
Public
Y
Discovery Mag
16.895
Filter
wide-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025advo - 2025-11-26 03:53:43 NOT / ALFOSC (GOTO)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-TDO_ATLAS-05_wide
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
22455 2025-11-26 03:53:43 NOT / ALFOSC Tapio Pursimo GOTO tns_2025advo_2025-11-26_03-53-42.906_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-11-16 04:32:21 - 2025-11-17 03:27:45 2460995.68913 - 2460996.64427 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531634 2025-11-17 03:27:45 2460996.64427 16.895 0.025 20.13 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
531633 2025-11-16 04:32:21 2460995.68913 19.76 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
w-P1 PS2_GPC2 2025-12-12 13:21:54 - 2025-12-12 13:21:54 2461022.05687 - 2461022.05687 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539497 2025-12-12 13:21:54 2461022.05687 15.32 0 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-11-15 03:15:11 - 2025-11-18 03:06:31 2460994.635541 - 2460997.629521 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532276 2025-11-18 03:06:31 2460997.629521 17.02 0.01 ABMag L-GOTO GOTO-N_GOTO-1 180
532275 2025-11-15 03:15:11 2460994.635541 20.1 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-12 13:23:00 - 2025-11-12 13:23:00 2460992.0576389 - 2460992.0576389 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538016 2025-11-12 13:23:00 2460992.0576389 19.4505 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-08 10:25:54 - 2025-12-12 08:54:56 2461017.9346528 - 2461021.8714815 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538018 2025-12-12 08:54:56 2461021.8714815 15.6205 0.00428228 ABMag g-ZTF P48_ZTF-Cam
538017 2025-12-08 10:25:54 2461017.9346528 15.5841 0.034882 ABMag g-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
280893 2025-12-17 00:23:25 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 08:17:39.884 +04:36:53.16 2025-12-12 13:21:53.568 15.32 w-P1 PSN PS25iqx Pan-STARRS N
280213 2025-12-12 09:48:33 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 08:17:39.885 +04:36:53.15 2025-12-08 10:25:54.001 15.5841 g-ZTF PSN ZTF25acglosh ZTF N
277524 2025-11-18 11:45:48 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 08:17:39.873 +04:36:53.19 2025-11-18 03:06:30.528 17.02 L-GOTO Other GOTO25kkf GOTO N
277165 2025-11-17 11:00:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 08:17:39.890 +04:36:53.07 2025-11-17 03:27:44.928 16.895 wide-ATLAS PSN ATLAS25ogq ATLAS 2025TNSTR4613....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22454 2025-11-26 11:07:14 Miika Pursiainen M. Pursiainen, T. Killestein, P. Charalampopoulos, J. Lyman, D. O'Neill, K. Ackley, M. J. Dyer, K. Ulaczyk, S. Belkin, D. Steeghs, D. K. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. P. Breton, L. K. Nuttall, D. Pollacco, J. Casares Vel'azquez, A. Kumar, on behalf of GOTO collaboration GOTO SN Ic 0.014083 1 1 GOTO Reasonable template matches to Type Ic SNe at the host redshift (0.014083, NED). We note that the GOTO light curve exhibits a significant pre-peak before the rise towards the main peak covered by ATLAS (see attached light curve). 2025TNSCR4728....1P
Related files
File Comments Last Modified (UT) Modified By
tns_2025advo_atrep_22454_GOTO.png 2025-11-26 11:07:15 Miika Pursiainen
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
22455 2025-11-26 03:53:43 NOT / ALFOSC Tapio Pursimo GOTO tns_2025advo_2025-11-26_03-53-42.906_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Wed, 12/17/2025 - 00:23

Object coordinates updated

Object coordinates updated according to AT-report 280893 of Group Pan-STARRS
Previous RA, DEC: 08:17:39.885, +04:36:53.15 (124.4161856, +4.6147648)
Updated RA, DEC: 08:17:39.884, +04:36:53.16 (124.416181802, +4.61476787169)

TNS
System

Fri, 12/12/2025 - 09:48

Object coordinates updated

Object coordinates updated according to AT-report 280213 of Group ZTF
Previous RA, DEC: 08:17:39.890, +04:36:53.07 (124.41621, +4.614742)
Updated RA, DEC: 08:17:39.885, +04:36:53.15 (124.4161856, +4.6147648)