RA/DEC (2000)
20:22:36.221 +10:37:40.54
305.650921 +10.627928
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2026-142
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-05-08 03:23:14.496
TNS AT
Y
Public
Y
Discovery Mag
19.26
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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026lvp - 2026-05-18 08:48:17 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
23762 2026-05-18 08:48:17 ESO-NTT / EFOSC2-NTT 900 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026lvp_2026-05-18_08-48-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lvp_2026-05-18_08-48-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-09 05:31:16 - 2026-05-10 03:44:01 2461169.73005 - 2461170.65557 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581601 2026-05-10 03:44:01 2461170.65557 19.158 0.138 19.63 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
581600 2026-05-09 05:31:16 2461169.73005 18.02 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-05-05 17:55:19 - 2026-05-05 17:55:19 2461166.246746 - 2461166.246746 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580839 2026-05-05 17:55:19 2461166.246746 19.5 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-08 03:23:14 - 2026-05-08 03:23:14 2461168.641139 - 2461168.641139 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580840 2026-05-08 03:23:14 2461168.641139 19.26 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
BG-q-BlackGem BG4_BlackGEM-Cam4 2026-05-19 06:14:53 - 2026-05-19 06:14:53 2461179.7603356 - 2461179.7603356 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583808 2026-05-19 06:14:53 2461179.7603356 19.1 0.08 20.16 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-05-12 09:18:24 - 2026-05-12 09:18:24 2461172.8877778 - 2461172.8877778 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583807 2026-05-12 09:18:24 2461172.8877778 20.3 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-10 10:46:51 - 2026-05-10 10:46:51 2461170.9492014 - 2461170.9492014 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584111 2026-05-10 10:46:51 2461170.9492014 19.106 0.079908 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-23 11:41:51 - 2026-05-20 09:48:31 2461153.9873958 - 2461180.9086921 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584112 2026-05-20 09:48:31 2461180.9086921 19.1384 0.0998651 ABMag g-ZTF P48_ZTF-Cam
584110 2026-04-23 11:41:51 2461153.9873958 20.4955 ABMag g-ZTF P48_ZTF-Cam [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
304666 2026-05-20 11:48:02 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:22:36.236 +10:37:40.49 2026-05-10 10:46:51.000 19.106 r-ZTF PSN ZTF26aavuvee ZTF N
304515 2026-05-19 07:13:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 20:22:36.221 +10:37:40.54 2026-05-19 06:14:53.000 19.1 BG-q-BlackGem PSN BGEM J202236.22+103740.5 BlackGEM N
303299 2026-05-11 17:31:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:22:36.258 +10:37:40.58 2026-05-10 03:44:01.248 19.158 wide-ATLAS PSN ATLAS26fkv ATLAS N
302896 2026-05-10 09:44:41 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:22:36.238 +10:37:40.59 2026-05-08 03:23:14.496 19.26 L-GOTO Other GOTO26ems GOTO 2026TNSTR2021....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
23758 2026-05-18 16:05:21 ePESSTOplus_Bot1 J. Khaulsay,J. Quirola-Vásquez, C. Aster, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.07 1 ePESSTO+ 2026TNSCR2164....1K
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
23762 2026-05-18 08:48:17 ESO-NTT / EFOSC2-NTT 900 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026lvp_2026-05-18_08-48-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lvp_2026-05-18_08-48-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 05/19/2026 - 07:13

Object coordinates updated

Object coordinates updated according to AT-report 304515 of Group BlackGEM
Previous RA, DEC: 20:22:36.258, +10:37:40.58 (305.651075, +10.62794)
Updated RA, DEC: 20:22:36.221, +10:37:40.54 (305.650921, +10.627928)

TNS
System

Mon, 05/11/2026 - 17:31

Object coordinates updated

Object coordinates updated according to AT-report 303299 of Group ATLAS
Previous RA, DEC: 20:22:36.238, +10:37:40.59 (305.650991, +10.627943)
Updated RA, DEC: 20:22:36.258, +10:37:40.58 (305.651075, +10.62794)