RA/DEC (2000)
00:17:05.294 -06:22:18.38
4.27205732031 -6.37177269377
Type
SN Ic
Redshift
0.027
Discovery ReportClassification Report
Related AstroNotes: 2025-273
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-17 16:20:20.256
TNS AT
Y
Public
Y
Discovery Mag
18.74
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_2025ugi - 2025-08-29 03:58:29 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

 ▌GOTO-S_GOTO-3_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌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
21906 2025-08-29 03:58:29 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025ugi_2025-08-29_03-58-29.016_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-07-24 16:46:00 - 2025-08-17 16:20:20 2460881.19861 - 2460905.180789 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509713 2025-08-17 16:20:20 2460905.180789 18.74 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
509712 2025-07-24 16:46:00 2460881.19861 20.1 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-08-05 08:54:27 - 2025-08-26 07:23:15 2460892.8711458 - 2460913.8078125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512992 2025-08-26 07:23:15 2460913.8078125 18.5 0.06 21.17 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
512991 2025-08-05 08:54:27 2460892.8711458 21.2 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
w-P1 PS1_GPC1 2025-08-24 11:31:28 - 2025-08-24 11:31:28 2460911.98019 - 2460911.98019 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512812 2025-08-24 11:31:28 2460911.98019 18.47 0.02 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
267967 2025-08-28 07:48:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 00:17:05.289 -06:22:18.34 2025-08-26 07:23:15.000 18.5 BG-q-BlackGem PSN BGEM J001705.29-062218.3 BlackGEM N
267880 2025-08-27 13:32:24 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:17:05.294 -06:22:18.38 2025-08-24 11:31:28.416 18.47 w-P1 PSN PS25hbr Pan-STARRS N
266263 2025-08-17 17:33:03 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 00:17:05.307 -06:22:18.23 2025-08-17 16:20:20.256 18.74 L-GOTO Other GOTO25fxh GOTO 2025TNSTR3243....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
21906 2025-08-29 10:51:47 David O'Neill I. Worssam, M. Pursiainen, J. Lyman, D. O'Neill, T. Killestein, K. Ackley, M. Dyer, 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, A. Kumar on behalf of GOTO collaboration GOTO SN Ic 0.027 1 GOTO Classification using template matching with SNID-SAGE. Redshift from narrow lines. 2025TNSCR3449....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
21906 2025-08-29 03:58:29 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025ugi_2025-08-29_03-58-29.016_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Wed, 08/27/2025 - 13:32

Object coordinates updated

Object coordinates updated according to AT-report 267880 of Group Pan-STARRS
Previous RA, DEC: 00:17:05.307, -06:22:18.23 (4.272113, -6.37173)
Updated RA, DEC: 00:17:05.294, -06:22:18.38 (4.27205732031, -6.37177269377)