RA/DEC (2000)
23:57:52.028 -79:56:40.21
359.466783333 -79.9445033333
Type
SN Ia
Redshift
0.06
Related AstroNotes: 2025-151
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-05-06 18:32:06.720
TNS AT
Y
Public
Y
Discovery Mag
19.21
Filter
L-GOTO
Reporter/s
A. Kumar, 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, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025jyf - 2025-05-21 09:42:58 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-STH_ATLAS-03_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
21093 2025-05-21 09:42:58 ESO-NTT / EFOSC2-NTT 600 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen ePESSTO+ tns_2025jyf_2025-05-21_09-42-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025jyf_2025-05-21_09-42-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2024-12-28 10:15:31 - 2025-05-06 18:32:07 2460672.927443 - 2460802.272299 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487053 2025-05-06 18:32:07 2460802.272299 19.21 0.12 ABMag L-GOTO GOTO-S_GOTO-3 180
487052 2024-12-28 10:15:31 2460672.927443 19.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-04-29 03:28:50 - 2025-05-07 03:03:38 2460794.64502 - 2460802.62752 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487110 2025-05-07 03:03:38 2460802.62752 18.685 0.132 19.24 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
487109 2025-04-29 03:28:50 2460794.64502 19.26 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
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
254382 2025-05-07 19:45:00 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:57:52.028 -79:56:40.21 2025-05-07 03:03:37.728 18.685 cyan-ATLAS PSN ATLAS25eum ATLAS N
254353 2025-05-07 06:03:56 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 23:57:52.238 -79:56:39.52 2025-05-06 18:32:06.720 19.21 L-GOTO Other GOTO25ciw GOTO 2025TNSTR1696....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
21093 2025-05-21 15:59:47 ePESSTOplus_Bot1 Callum Francis Aster, Stefano Pio Cosentino, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.06 1 ePESSTO+ 2025TNSCR1879....1A
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
21093 2025-05-21 09:42:58 ESO-NTT / EFOSC2-NTT 600 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen ePESSTO+ tns_2025jyf_2025-05-21_09-42-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025jyf_2025-05-21_09-42-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 254382 of Group ATLAS
Previous RA, DEC: 23:57:52.238, -79:56:39.52 (359.46766, -79.944312)
Updated RA, DEC: 23:57:52.028, -79:56:40.21 (359.466783333, -79.9445033333)