RA/DEC (2000)
14:40:14.159 -19:17:59.53
220.058995844 -19.2998705472
Type
SN Ia
Redshift
0.088821
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-05-09 11:21:41.760
TNS AT
Y
Public
Y
Discovery Mag
19.94
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_2026lsr - 2026-06-02 05:21:42 P200 / NGPS (ZTF)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
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_w
   
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
23910 2026-06-02 05:21:42 P200 / NGPS Joseph Santana Joseph Santana ZTF tns_2026lsr_2026-06-02_05-21-42_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-05-07 11:35:42 - 2026-05-09 11:21:42 2461167.983118 - 2461169.973395 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580571 2026-05-09 11:21:42 2461169.973395 19.94 0.15 ABMag L-GOTO GOTO-S_GOTO-3 180
580570 2026-05-07 11:35:42 2461167.983118 20.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-12 04:10:05 - 2026-05-12 04:10:05 2461172.67367 - 2461172.67367 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581856 2026-05-12 04:10:05 2461172.67367 19.363 0.162 19.77 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
r-ZTF P48_ZTF-Cam 2026-04-29 09:02:56 - 2026-05-07 06:00:21 2461159.877037 - 2461167.7502431 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580901 2026-05-07 06:00:21 2461167.7502431 20.4904 0.217065 ABMag r-ZTF P48_ZTF-Cam
580900 2026-04-29 09:02:56 2461159.877037 19.6122 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-29 07:02:40 - 2026-05-10 07:03:30 2461159.7935185 - 2461170.7940972 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580902 2026-05-10 07:03:30 2461170.7940972 19.7009 0.134481 ABMag g-ZTF P48_ZTF-Cam
584459 2026-05-07 06:59:31 2461167.791331 20.461 0.29012 20.0123 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
584458 2026-04-29 07:02:40 2461159.7935185 19.0161 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-11 12:25:20 - 2026-05-11 12:25:20 2461172.01759 - 2461172.01759 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581855 2026-05-11 12:25:20 2461172.01759 18.28 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
w-P1 PS1_GPC1 2026-05-17 09:04:33 - 2026-05-17 09:04:33 2461177.87816 - 2461177.87816 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587958 2026-05-17 09:04:33 2461177.87816 19.46 0.04 22 ABMag w-P1 PS1_GPC1 45 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
306592 2026-05-30 11:40:13 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:40:14.159 -19:17:59.53 2026-05-17 09:04:33.024 19.46 w-P1 PSN PS26bnz Pan-STARRS N
304826 2026-05-21 19:25:14 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 14:40:14.161 -19:17:59.60 2026-05-07 06:59:30.998 20.461 g-ZTF PSN ZTF26aavrdtf ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aavrdtf N
303410 2026-05-12 14:39:55 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:40:14.080 -19:18:00.05 2026-05-12 04:10:05.088 19.363 cyan-ATLAS PSN ATLAS26fmc ATLAS N
302924 2026-05-10 11:53:47 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:40:14.170 -19:17:59.48 2026-05-07 06:00:21.003 20.4904 r-ZTF PSN ZTF26aavrdtf ZTF N
302777 2026-05-09 13:01:13 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:40:14.135 -19:17:59.69 2026-05-09 11:21:41.760 19.94 L-GOTO Other GOTO26ekw GOTO 2026TNSTR2004....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
23906 2026-06-03 16:40:28 ZTF_Bot1 J. Santana, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN Ia 0.088821 1 ZTF
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
23910 2026-06-02 05:21:42 P200 / NGPS Joseph Santana Joseph Santana ZTF tns_2026lsr_2026-06-02_05-21-42_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Sat, 05/30/2026 - 11:40

Object coordinates updated

Object coordinates updated according to AT-report 306592 of Group Pan-STARRS
Previous RA, DEC: 14:40:14.161, -19:17:59.60 (220.05900381667, -19.299889311111)
Updated RA, DEC: 14:40:14.159, -19:17:59.53 (220.058995844, -19.2998705472)

TNS
System

Thu, 05/21/2026 - 19:25

Object coordinates updated

Object coordinates updated according to AT-report 304826 of Group ZTF
Previous RA, DEC: 14:40:14.170, -19:17:59.48 (220.0590403, -19.2998555)
Updated RA, DEC: 14:40:14.161, -19:17:59.60 (220.05900381667, -19.299889311111)

TNS
System

Sun, 05/10/2026 - 11:53

Object coordinates updated

Object coordinates updated according to AT-report 302924 of Group ZTF
Previous RA, DEC: 14:40:14.135, -19:17:59.69 (220.058897, -19.299914)
Updated RA, DEC: 14:40:14.170, -19:17:59.48 (220.0590403, -19.2998555)