RA/DEC (2000)
10:59:19.998 +09:23:54.04
164.833325 +9.398344
Type
SN Ia
Redshift
0.063
Related AstroNotes: 2025-135
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-04-22 21:43:23.232
TNS AT
Y
Public
Y
Discovery Mag
18.68
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

Spectra

 SN_2025ilp - 2025-05-03 02:54:43 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
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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
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Show Tellurics 
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Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-N_GOTO-2_L
 ATLAS-CHL_ATLAS-04_orange
 BG4_BlackGEM-Cam4_BG-q
 BG3_BlackGEM-Cam3_BG-q
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_orange
   
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
20965 2025-05-03 02:54:43 ESO-NTT / EFOSC2-NTT 780 B. Ayala, C.Casanueva R. Dastidar, A. Gangopadhyay ePESSTO+ tns_2025ilp_2025-05-03_02-54-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ilp_2025-05-03_02-54-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-04-18 21:47:39 - 2025-04-22 21:43:23 2460784.408086 - 2460788.405126 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484387 2025-04-22 21:43:23 2460788.405126 18.68 0.12 ABMag L-GOTO GOTO-N_GOTO-2 180
484386 2025-04-18 21:47:39 2460784.408086 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-26 02:24:53 - 2025-04-26 02:24:53 2460791.60061 - 2460791.60061 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484510 2025-04-26 02:24:53 2460791.60061 19.06 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-04-22 00:37:23 - 2025-04-22 00:37:23 2460787.5259606 - 2460787.5259606 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484620 2025-04-22 00:37:23 2460787.5259606 19.13 0.1 21.09 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-04-01 01:32:10 - 2025-04-01 01:32:10 2460766.5640046 - 2460766.5640046 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484619 2025-04-01 01:32:10 2460766.5640046 20.91 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-21 06:03:42 - 2025-04-21 06:03:42 2460786.7525694 - 2460786.7525694 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484937 2025-04-21 06:03:42 2460786.7525694 20.3708 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-21 07:57:00 - 2025-04-30 04:26:33 2460786.83125 - 2460795.6851042 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484939 2025-04-30 04:26:33 2460795.6851042 18.2276 0.0754054 ABMag g-ZTF P48_ZTF-Cam
484938 2025-04-21 07:57:00 2460786.83125 19.1632 0.23518 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-27 07:46:00 - 2025-04-27 07:46:00 2460792.82361 - 2460792.82361 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484511 2025-04-27 07:46:00 2460792.82361 18.607 0.184 19.48 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
253078 2025-04-30 06:59:00 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 10:59:20.047 +09:23:54.60 2025-04-21 07:56:59.999 19.1632 g-ZTF PSN ZTF25aanilxe ZTF N
252893 2025-04-29 06:43:02 BlackGEM_Bot1 G. Ramsay,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 10:59:19.998 +09:23:54.04 2025-04-22 00:37:23.000 19.13 BG-q-BlackGem PSN BGEM J105919.99+092354.0 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025ilp_atrep_252893_BlackGEM.pdf Finding Chart 2025-04-29 06:43:04 BlackGEM_Bot1
252838 2025-04-28 09:25:40 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 10:59:20.024 +09:23:54.43 2025-04-27 07:45:59.904 18.607 orange-ATLAS PSN ATLAS25eiq ATLAS N
252766 2025-04-27 00:10:12 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 10:59:20.010 +09:23:55.06 2025-04-22 21:43:23.232 18.68 L-GOTO Other GOTO25cds GOTO 2025TNSTR1552....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
20965 2025-05-03 16:24:53 ePESSTOplus_Bot1 B. Ayala, C.Casanueva, R. Dastidar, A. Gangopadhyay, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.063 1 ePESSTO+ 2025TNSCR1649....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
20965 2025-05-03 02:54:43 ESO-NTT / EFOSC2-NTT 780 B. Ayala, C.Casanueva R. Dastidar, A. Gangopadhyay ePESSTO+ tns_2025ilp_2025-05-03_02-54-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ilp_2025-05-03_02-54-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 252893 of Group BlackGEM
Previous RA, DEC: 10:59:20.024, +09:23:54.43 (164.8334325, +9.39845375)
Updated RA, DEC: 10:59:19.998, +09:23:54.04 (164.833325, +9.398344)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 252838 of Group ATLAS
Previous RA, DEC: 10:59:20.010, +09:23:55.06 (164.833376, +9.398627)
Updated RA, DEC: 10:59:20.024, +09:23:54.43 (164.8334325, +9.39845375)