RA/DEC (2000)
14:55:13.593 +03:36:42.92
223.806639274 +3.61192253855
Type
SN Ia-91T-like
Redshift
0.021818
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-24 05:46:39.072
TNS AT
Y
Public
Y
Discovery Mag
17.83
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration

Spectra

 SN_2025afe - 2025-02-01 05:50:56 LT / SPRAT (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

 LAST_LAST-Cam_Clear
 GOTO-N_GOTO-2_L
 GOTO-N_GOTO-1_L
 BG2_BlackGEM-Cam2_BG-q
 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_orange
 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
20287 2025-02-01 05:50:56 LT / SPRAT David O'Neill Miika Pursiainen GOTO tns_2025afe_2025-02-01_05-50-56.026_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-06 01:40:23 - 2025-02-25 00:46:05 2460375.56971 - 2460731.532 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471710 2025-02-25 00:46:05 2460731.532 16.38 ABMag Clear- LAST_LAST-Cam 400
471709 2024-03-06 01:40:23 2460375.56971 21.05 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-01-19 05:11:08 - 2025-01-19 05:11:08 2460694.716061 - 2460694.716061 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464688 2025-01-19 05:11:08 2460694.716061 18.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-01-24 05:46:39 - 2025-01-24 05:46:39 2460699.740729 - 2460699.740729 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464689 2025-01-24 05:46:39 2460699.740729 17.83 0.1 ABMag L-GOTO GOTO-N_GOTO-1 180
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-01-10 08:20:04 - 2025-01-28 08:53:58 2460685.8472685 - 2460703.8708102 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465810 2025-01-28 08:53:58 2460703.8708102 17.04 0.02 20.88 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
465809 2025-01-10 08:20:04 2460685.8472685 20.59 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-23 11:36:22 - 2025-04-10 09:49:37 2460757.983588 - 2460775.909456 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481718 2025-04-10 09:49:37 2460775.909456 17.8132 0.06381 ABMag r-ZTF P48_ZTF-Cam
481717 2025-03-24 08:58:42 2460758.8740972 17.1283 0.04592 ABMag r-ZTF P48_ZTF-Cam
481716 2025-03-23 11:36:22 2460757.983588 20.5621 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-21 13:13:46 - 2025-01-25 14:25:13 2460697.05123 - 2460701.10084 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479635 2025-01-25 14:25:13 2460701.10084 17.718 0.065 19.5 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
479634 2025-01-21 13:13:46 2460697.05123 18.2 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-03-21 13:17:21 - 2025-03-21 13:17:21 2460756.05372 - 2460756.05372 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477727 2025-03-21 13:17:21 2460756.05372 17.25 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
251366 2025-04-10 10:04:04 Fritz Steve Schulze (CIERA, NU), Jesper Sollerman (SU), Christoffer Fremling (Caltech) et al. ZTF ZTF 14:55:13.597 +03:36:43.01 2025-03-24 08:58:41.998 17.1283 r-ZTF PSN ZTF25aaknjda ZTF N
250247 2025-03-28 15:45:32 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 14:55:13.596 +03:36:43.10 2025-01-25 14:25:12.576 17.718 orange-ATLAS PSN ATLAS25bad ATLAS N
249270 2025-03-22 16:01:38 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:55:13.593 +03:36:42.92 2025-03-21 13:17:21.408 17.25 w-P1 PSN PS25aml Pan-STARRS N
245911 2025-02-25 09:59:20 LAST_Bot1 R. Konno (WIS), E. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 14:55:13.573 +03:36:43.37 2025-02-25 00:46:04.800 16.38 Clear- PSN LAST N
243028 2025-01-31 13:51:03 BlackGEM_Bot1 F. Stoppa, H. Tranin, D. Pieterse et al. BlackGEM BlackGEM 14:55:13.578 +03:36:42.88 2025-01-28 08:53:58.000 17.04 BG-q-BlackGem PSN BGEM J145513.57+033642.8 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025afe_atrep_243028_BlackGEM.pdf Finding Chart 2025-01-31 13:51:05 BlackGEM_Bot1
242468 2025-01-26 09:06:04 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 14:55:13.602 +03:36:42.93 2025-01-24 05:46:39.072 17.83 L-GOTO Other GOTO25qk GOTO 2025TNSTR.355....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
20287 2025-02-01 12:35:43 Miika Pursiainen M. Pursiainen, T. Killestein, B. Warwick, 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, A. Kumar, D. O'Neill on behalf of GOTO collaboration GOTO SN Ia-91T-like 0.021818 1 GOTO Good template matches to Type Ia-91T-like at the redshift of the host galaxy (0.021818) 2025TNSCR.445....1P
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
20287 2025-02-01 05:50:56 LT / SPRAT David O'Neill Miika Pursiainen GOTO tns_2025afe_2025-02-01_05-50-56.026_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 249270 of Group Pan-STARRS
Previous RA, DEC: 14:55:13.578, +03:36:42.88 (223.806575, +3.611911)
Updated RA, DEC: 14:55:13.593, +03:36:42.92 (223.806639274, 3.61192253855)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 243028 of Group BlackGEM
Previous RA, DEC: 14:55:13.602, +03:36:42.93 (223.806673, +3.611926)
Updated RA, DEC: 14:55:13.578, +03:36:42.88 (223.806575, 3.611911)