RA/DEC (2000)
10:50:30.470 -28:53:17.22
162.62695875 -28.8881175
Type
SN Ia
Redshift
0.061
Discovery ReportClassification Report
Related AstroNotes: 2025-135
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-04-16 08:42:28.512
TNS AT
Y
Public
Y
Discovery Mag
19.23
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025iav - 2025-05-03 05:03:38 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_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
20963 2025-05-03 05:03:38 ESO-NTT / EFOSC2-NTT 780 B. Ayala, C.Casanueva R. Dastidar, A. Gangopadhyay ePESSTO+ tns_2025iav_2025-05-03_05-03-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iav_2025-05-03_05-03-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-04-15 08:43:40 - 2025-04-16 08:42:29 2460780.863658 - 2460781.862825 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483464 2025-04-16 08:42:29 2460781.862825 19.23 0.16 ABMag L-GOTO GOTO-S_GOTO-3 180
483463 2025-04-15 08:43:40 2460780.863658 19.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-16 04:29:36 - 2025-04-17 03:11:37 2460781.68722 - 2460782.63307 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483909 2025-04-17 03:11:37 2460782.63307 18.076 0.14 19.01 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
483908 2025-04-16 04:29:36 2460781.68722 18.83 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 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
252520 2025-04-24 10:56:57 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 10:50:30.470 -28:53:17.22 2025-04-17 03:11:37.248 18.076 orange-ATLAS PSN ATLAS25ecr ATLAS N
252312 2025-04-22 15:39:20 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 10:50:30.430 -28:53:16.89 2025-04-16 08:42:28.512 19.23 L-GOTO Other GOTO25cbn GOTO 2025TNSTR1485....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
20963 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 0.061 1 Add 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
20963 2025-05-03 05:03:38 ESO-NTT / EFOSC2-NTT 780 B. Ayala, C.Casanueva R. Dastidar, A. Gangopadhyay ePESSTO+ tns_2025iav_2025-05-03_05-03-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025iav_2025-05-03_05-03-38_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Thu, 04/24/2025 - 10:56

Object coordinates updated

Object coordinates updated according to AT-report 252520 of Group ATLAS
Previous RA, DEC: 10:50:30.430, -28:53:16.89 (162.626792, -28.888026)
Updated RA, DEC: 10:50:30.470, -28:53:17.22 (162.62695875, -28.8881175)