RA/DEC (2000)
15:12:52.299 +02:48:55.02
228.2179131 +2.8152821
Type
SN Ia
Redshift
0.09939
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-21 00:19:47.136
TNS AT
Y
Public
Y
Discovery Mag
19.442
Filter
wide-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026njf - 2026-05-24 07:19:19 P60 / SEDM (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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
   
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
23845 2026-05-24 07:19:19 P60 / SEDM 2700 SEDmRobot ZTF tns_2026njf_2026-05-24_07-19-19.483373_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-21 00:19:47 - 2026-05-21 00:19:47 2461181.51374 - 2461181.51374 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584657 2026-05-21 00:19:47 2461181.51374 19.442 0.194 20.42 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-20 05:42:26 - 2026-05-20 05:42:26 2461180.7378 - 2461180.7378 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584656 2026-05-20 05:42:26 2461180.7378 18.98 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2026-05-19 04:19:28 - 2026-05-19 04:19:28 2461179.6801852 - 2461179.6801852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585582 2026-05-19 04:19:28 2461179.6801852 19.46 0.11 20.58 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-05-12 05:07:35 - 2026-05-12 05:07:35 2461172.7135995 - 2461172.7135995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585581 2026-05-12 05:07:35 2461172.7135995 20.69 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-14 06:58:56 - 2026-05-14 06:58:56 2461174.7909259 - 2461174.7909259 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585060 2026-05-14 06:58:56 2461174.7909259 20.3898 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-14 08:19:01 - 2026-05-24 08:11:52 2461174.8465394 - 2461184.8415741 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585062 2026-05-24 08:11:52 2461184.8415741 19.3994 0.131691 ABMag r-ZTF P48_ZTF-Cam
585061 2026-05-14 08:19:01 2461174.8465394 20.9202 0.206461 ABMag r-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
305357 2026-05-27 09:15:42 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 15:12:52.316 +02:48:55.09 2026-05-19 04:19:28.000 19.46 BG-q-BlackGem PSN BGEM J151252.32+024855.1 BlackGEM N
305101 2026-05-24 12:30:44 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:12:52.299 +02:48:55.02 2026-05-14 08:19:01.004 20.9202 r-ZTF PSN ZTF22aaigmcb ZTF N
304918 2026-05-22 16:05:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 15:12:52.345 +02:48:55.38 2026-05-21 00:19:47.136 19.442 wide-ATLAS PSN ATLAS26gfn ATLAS 2026TNSTR2223....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23841 2026-05-26 18:41:45 ZTF_Bot1 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 0.09939 1 ZTF 2026TNSCR2301....1H
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
23845 2026-05-24 07:19:19 P60 / SEDM 2700 SEDmRobot ZTF tns_2026njf_2026-05-24_07-19-19.483373_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 05/24/2026 - 12:30

Object coordinates updated

Object coordinates updated according to AT-report 305101 of Group ZTF
Previous RA, DEC: 15:12:52.345, +02:48:55.38 (228.218105, +2.815384)
Updated RA, DEC: 15:12:52.299, +02:48:55.02 (228.2179131, +2.8152821)