RA/DEC (2000)
15:00:50.344 +01:20:19.06
225.209764765 +1.33862690515
Type
SN II
Redshift
0.02
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-09 07:30:25.004
TNS AT
Y
Public
Y
Discovery Mag
18.8654
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026lsg - 2026-05-13 01:32:00 NOT / ALFOSC (None)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
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌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
23702 2026-05-13 01:32:00 NOT / ALFOSC Avinash Singh, Jesper Sollerman, Steve Schulze None tns_2026lsg_2026-05-13_01-32-00_NOT_ALFOSC_None.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-09 00:13:09 - 2026-05-09 00:13:09 2461169.50913 - 2461169.50913 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580696 2026-05-09 00:13:09 2461169.50913 18.964 0.068 20.08 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-S_GOTO-3 2026-05-07 12:43:43 - 2026-05-09 12:28:39 2461168.030356 - 2461170.019897 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580852 2026-05-09 12:28:39 2461170.019897 18.52 0.05 ABMag L-GOTO GOTO-S_GOTO-3 180
580851 2026-05-07 12:43:43 2461168.030356 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2026-05-14 08:55:22 - 2026-05-14 08:55:22 2461174.87178 - 2461174.87178 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582829 2026-05-14 08:55:22 2461174.87178 18.12 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-05-08 05:17:07 - 2026-05-08 05:17:07 2461168.72022 - 2461168.72022 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580695 2026-05-08 05:17:07 2461168.72022 19.13 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-08 09:03:25 - 2026-05-09 07:30:25 2461168.8773727 - 2461169.8127894 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580530 2026-05-09 07:30:25 2461169.8127894 18.8654 0.0818302 ABMag r-ZTF P48_ZTF-Cam
582254 2026-05-09 07:30:25 2461169.8127894 18.8654 0.08183 20.504 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
580529 2026-05-08 09:03:25 2461168.8773727 20.1716 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
582253 2026-05-08 09:03:25 2461168.8773727 20.1716 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2026-05-09 08:35:47 - 2026-05-09 08:35:47 2461169.8581829 - 2461169.8581829 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580531 2026-05-09 08:35:47 2461169.8581829 18.4085 0.0748307 ABMag g-ZTF P48_ZTF-Cam
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
303867 2026-05-15 14:54:56 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 15:00:50.344 +01:20:19.06 2026-05-14 08:55:21.792 18.12 w-P1 PSN PS26bih Pan-STARRS N
303589 2026-05-13 21:03:43 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 15:00:50.354 +01:20:19.05 2026-05-09 07:30:25.004 18.8654 r-ZTF PSN ZTF26aavilqo ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aavilqo N
302902 2026-05-10 09:55:20 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 15:00:50.334 +01:20:19.14 2026-05-09 12:28:39.360 18.52 L-GOTO Other GOTO26emo GOTO N
302826 2026-05-09 19:17:46 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 15:00:50.363 +01:20:18.92 2026-05-09 00:13:08.832 18.964 wide-ATLAS PSN ATLAS26fhu ATLAS N
302757 2026-05-09 09:05:14 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 15:00:50.353 +01:20:19.09 2026-05-09 07:30:25.004 18.8654 r-ZTF PSN ZTF26aavilqo ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2026TNSTR2016....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23699 2026-05-13 12:31:48 Giorgos Leloudas A. H. Andersen, J. E. Kløve, S. H. Nissen, G. Leloudas (DTU Space), J. Sollerman, A. Singh (OKC), S. Schulze (WIS) None SN II 0.02 1 Redshift from SN template. 2026TNSCR2090....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
23702 2026-05-13 01:32:00 NOT / ALFOSC Avinash Singh, Jesper Sollerman, Steve Schulze None tns_2026lsg_2026-05-13_01-32-00_NOT_ALFOSC_None.ascii Object

Comments

TNS
System

Fri, 05/15/2026 - 14:54

Object coordinates updated

Object coordinates updated according to AT-report 303867 of Group Pan-STARRS
Previous RA, DEC: 15:00:50.354, +01:20:19.05 (225.20980710909, +1.3386257272727)
Updated RA, DEC: 15:00:50.344, +01:20:19.06 (225.209764765, +1.33862690515)

TNS
System

Wed, 05/13/2026 - 21:03

Object coordinates updated

Object coordinates updated according to AT-report 303589 of Group ZTF
Previous RA, DEC: 15:00:50.353, +01:20:19.09 (225.2098058, +1.3386364)
Updated RA, DEC: 15:00:50.354, +01:20:19.05 (225.20980710909, +1.3386257272727)