RA/DEC (2000)
20:48:06.524 -12:50:47.04
312.0271818 -12.8464005
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-26 14:51:40.608
TNS AT
Y
Public
Y
Discovery Mag
17.672
Filter
cyan-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_2026hlr - 2026-04-08 11:52:24 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

 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
23443 2026-04-08 11:52:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2026hlr_2026-04-08_11-52-23.764868_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-04-01 19:13:46 - 2026-04-01 19:13:46 2461132.301228 - 2461132.301228 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572029 2026-04-01 19:13:46 2461132.301228 18.04 0.08 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-12-08 19:37:18 - 2025-12-08 19:37:18 2461018.317566 - 2461018.317566 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572028 2025-12-08 19:37:18 2461018.317566 19.2 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-27 12:32:30 - 2026-04-05 12:16:32 2461127.0225694 - 2461136.0114815 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572687 2026-04-05 12:16:32 2461136.0114815 18.3972 0.195482 ABMag r-ZTF P48_ZTF-Cam
572686 2026-03-27 12:32:30 2461127.0225694 17.7569 0.0645868 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-14 05:53:32 - 2025-12-14 05:53:32 2461023.74551 - 2461023.74551 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570625 2025-12-14 05:53:32 2461023.74551 18.85 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-03-26 14:51:41 - 2026-03-26 14:51:41 2461126.11922 - 2461126.11922 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570626 2026-03-26 14:51:41 2461126.11922 17.672 0.07 19.01 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
298772 2026-04-06 05:19:49 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:48:06.524 -12:50:47.04 2026-03-27 12:32:29.996 17.7569 r-ZTF PSN ZTF26aaqkixr ZTF N
298370 2026-04-04 10:24:00 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 20:48:06.552 -12:50:46.99 2026-04-01 19:13:46.272 18.04 L-GOTO Other GOTO26crf GOTO N
297588 2026-03-27 21:05:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:48:06.542 -12:50:47.14 2026-03-26 14:51:40.608 17.672 cyan-ATLAS PSN ATLAS26dlh ATLAS 2026TNSTR1313....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
23441 2026-04-09 19:37:15 Joahan Castaneda Jaimes J. Sollerman, 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 0.05 1 ZTF 2026TNSCR1514....1S
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
23443 2026-04-08 11:52:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2026hlr_2026-04-08_11-52-23.764868_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 04/06/2026 - 05:19

Object coordinates updated

Object coordinates updated according to AT-report 298772 of Group ZTF
Previous RA, DEC: 20:48:06.542, -12:50:47.14 (312.027256774, -12.8464274194)
Updated RA, DEC: 20:48:06.524, -12:50:47.04 (312.0271818, -12.8464005)