RA/DEC (2000)
19:06:53.032 -09:56:21.90
286.720966667 -9.93941666667
Type
SN Ia
Redshift
0.039
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-23 09:29:42.432
TNS AT
Y
Public
Y
Host Name
PGC203440
Comments
[Object cross-matched with PGC203440]
Discovery Mag
19.29
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_2025vzx - 2025-08-28 22:09:31 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌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
21902 2025-08-28 22:09:31 LT / SPRAT Robotic GOTO tns_2025vzx_2025-08-28_22-09-30.701_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-20 23:27:46 - 2025-08-20 23:27:46 2460908.47762 - 2460908.47762 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
604442 2025-08-20 23:27:46 2460908.47762 19.74 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-08-18 09:48:51 - 2025-08-23 09:29:42 2460905.908915 - 2460910.895634 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513447 2025-08-23 09:29:42 2460910.895634 19.29 0.12 ABMag L-GOTO GOTO-S_GOTO-3 180
513446 2025-08-18 09:48:51 2460905.908915 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-08-28 02:50:10 - 2025-08-28 02:50:10 2460915.61817 - 2460915.61817 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
604443 2025-08-28 02:50:10 2460915.61817 18.263 0.047 19.54 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 110 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
315471 2026-07-15 15:32:23 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 19:06:53.032 -09:56:21.90 2025-08-28 02:50:09.888 18.263 orange-ATLAS PSN ATLAS25qol ATLAS N
268218 2025-08-28 13:51:19 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 19:06:53.049 -09:56:22.37 2025-08-23 09:29:42.432 19.29 L-GOTO Other GOTO25glq GOTO 2025TNSTR3412....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
21902 2025-08-28 22:57:00 Miika Pursiainen M. Pursiainen, D. O'Neill, P. Charalampopoulos, J. Lyman, G. Ramsay, B. Warwick, K. Ackley, M. Dyer, F. Jiménez-Ibarra, 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 GOTO SN Ia 0.039 1 GOTO Good template matches to Type Ia SNe. Redshift determined based on narrow host galaxy lines present in the spectrum 2025TNSCR3427....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
21902 2025-08-28 22:09:31 LT / SPRAT Robotic GOTO tns_2025vzx_2025-08-28_22-09-30.701_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Wed, 07/15/2026 - 15:32

Object coordinates updated

Object coordinates updated according to AT-report 315471 of Group ATLAS
Previous RA, DEC: 19:06:53.049, -09:56:22.37 (286.721038, -9.939548)
Updated RA, DEC: 19:06:53.032, -09:56:21.90 (286.720966667, -9.93941666667)