RA/DEC (2000)
07:40:45.743 -65:27:14.06
115.190596 -65.453906
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Related AstroNotes: 2025-47
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-24 11:59:32.352
TNS AT
Y
Public
Y
Discovery Mag
18.59
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025acn - 2025-02-05 05:27:16 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-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
   
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
20314 2025-02-05 05:27:16 ESO-NTT / EFOSC2-NTT 1199 J. Gillanders, D. Magill M. D. Fulton, S. Srivastav ePESSTO+ tns_2025acn_2025-02-05_05-27-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025acn_2025-02-05_05-27-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-01-14 11:10:49 - 2025-01-24 11:59:32 2460689.96585 - 2460699.99968 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464312 2025-01-24 11:59:32 2460699.99968 18.59 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
464311 2025-01-14 11:10:49 2460689.96585 19.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-01-25 04:46:44 - 2025-01-25 04:46:44 2460700.69912 - 2460700.69912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467079 2025-01-25 04:46:44 2460700.69912 18.161 0.094 19.48 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-01-22 23:08:01 - 2025-01-22 23:08:01 2460698.4639 - 2460698.4639 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467078 2025-01-22 23:08:01 2460698.4639 16.17 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-01-28 03:45:56 - 2025-01-28 03:45:56 2460703.6568981 - 2460703.6568981 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465097 2025-01-28 03:45:56 2460703.6568981 17.75 0.03 20.92 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-01-07 03:22:22 - 2025-01-07 03:22:22 2460682.6405324 - 2460682.6405324 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465096 2025-01-07 03:22:22 2460682.6405324 21.05 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [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 Bibcode Unreal Auto classification
243539 2025-02-05 09:04:24 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:40:45.777 -65:27:14.19 2025-01-25 04:46:43.968 18.161 cyan-ATLAS PSN ATLAS25axe ATLAS N
242687 2025-01-28 13:58:02 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 07:40:45.743 -65:27:14.06 2025-01-28 03:45:56.000 17.75 BG-q-BlackGem 1 PSN BGEM J074045.74-652714.0 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025acn_atrep_242687_BlackGEM.pdf Finding Chart 2025-01-28 13:58:04 BlackGEM_Bot1
242281 2025-01-24 13:12:42 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 07:40:45.796 -65:27:14.36 2025-01-24 11:59:32.352 18.59 L-GOTO Other GOTO25mf GOTO 2025TNSTR.331....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
20314 2025-02-05 16:27:02 ePESSTOplus_Bot1 J. Gillanders, D. Magill, M. D. Fulton, S. Srivastav, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.04 1 Add ePESSTO+ 2025TNSCR.503....1G
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
20314 2025-02-05 05:27:16 ESO-NTT / EFOSC2-NTT 1199 J. Gillanders, D. Magill M. D. Fulton, S. Srivastav ePESSTO+ tns_2025acn_2025-02-05_05-27-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025acn_2025-02-05_05-27-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 01/28/2025 - 13:58

Object coordinates updated

Object coordinates updated according to AT-report 242687 of Group BlackGEM
Previous RA, DEC: 07:40:45.796, -65:27:14.36 (115.190818, -65.45399)
Updated RA, DEC: 07:40:45.743, -65:27:14.06 (115.190596, -65.453906)