RA/DEC (2000)
14:49:09.245 -00:54:16.10
222.288520526 -0.904472631579
Type
SN Ic
Redshift
0.028
Discovery ReportClassification Report
Related AstroNotes: 2026-121
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-23 02:47:09.312
TNS AT
Y
Public
Y
Discovery Mag
19.29
Filter
L-GOTO
Reporter/s
J. Lyman, D. O'Neill, 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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026kpn - 2026-05-04 05:28:09 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-S_GOTO-4_L
 ▌GOTO-N_GOTO-1_L
 ▌ATLAS-MLO_ATLAS-01_cyan
   
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
23621 2026-05-04 05:28:09 ESO-NTT / EFOSC2-NTT 600 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026kpn_2026-05-04_05-28-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kpn_2026-05-04_05-28-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-22 02:01:55 - 2026-04-22 02:01:55 2461152.58466 - 2461152.58466 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578391 2026-04-22 02:01:55 2461152.58466 20.12 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-4 2026-04-20 13:11:19 - 2026-04-20 13:11:19 2461151.049515 - 2461151.049515 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577664 2026-04-20 13:11:19 2461151.049515 20.2 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-04-23 02:47:09 - 2026-04-23 02:47:09 2461153.616076 - 2461153.616076 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577665 2026-04-23 02:47:09 2461153.616076 19.29 0.09 ABMag L-GOTO GOTO-N_GOTO-1 180
cyan-ATLAS ATLAS-MLO_ATLAS-01 2026-04-24 11:37:32 - 2026-04-24 11:37:32 2461154.9844 - 2461154.9844 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578392 2026-04-24 11:37:32 2461154.9844 19.214 0.178 19.54 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 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
301711 2026-04-27 15:20:29 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:49:09.245 -00:54:16.10 2026-04-24 11:37:32.160 19.214 cyan-ATLAS PSN ATLAS26exm ATLAS N
301330 2026-04-24 10:49:58 GOTO_bot J. Lyman, D. O'Neill, K. Ackley et al. GOTO GOTO 14:49:09.271 -00:54:15.82 2026-04-23 02:47:09.312 19.29 L-GOTO Other GOTO26dqa GOTO 2026TNSTR1803....1L N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23618 2026-05-04 17:05:01 ePESSTOplus_Bot1 Camila Cárdenas, Jasvinderjit Khaulsay, Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ic 0.028 1 ePESSTO+ 2026TNSCR1935....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
23621 2026-05-04 05:28:09 ESO-NTT / EFOSC2-NTT 600 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026kpn_2026-05-04_05-28-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kpn_2026-05-04_05-28-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Mon, 04/27/2026 - 15:20

Object coordinates updated

Object coordinates updated according to AT-report 301711 of Group ATLAS
Previous RA, DEC: 14:49:09.271, -00:54:15.82 (222.288628, -0.904395)
Updated RA, DEC: 14:49:09.245, -00:54:16.10 (222.288520526, -0.904472631579)