RA/DEC (2000)
13:57:48.103 -10:21:00.67
209.4504281 -10.3501862
Type
SN Ia
Redshift
0.09
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-10 01:35:12.768
TNS AT
Y
Public
Y
Discovery Mag
18.473
Filter
orange-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_2026ffq - 2026-03-14 06:54:17 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
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
23212 2026-03-14 06:54:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ffq_2026-03-14_06-54-17.473686_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2026-02-24 17:09:01 - 2026-02-24 17:09:01 2461096.214586 - 2461096.214586 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569045 2026-02-24 17:09:01 2461096.214586 20.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-10 01:35:13 - 2026-03-10 01:35:13 2461109.56612 - 2461109.56612 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563840 2026-03-10 01:35:13 2461109.56612 18.473 0.146 18.98 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2026-03-02 03:21:15 - 2026-03-02 03:21:15 2461101.639756 - 2461101.639756 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
569046 2026-03-02 03:21:15 2461101.639756 19.09 0.19 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2026-02-26 10:32:43 - 2026-02-26 10:32:43 2461097.9393866 - 2461097.9393866 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563999 2026-02-26 10:32:43 2461097.9393866 19.8626 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-02-26 11:34:14 - 2026-03-11 10:40:40 2461097.9821065 - 2461110.9449074 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564001 2026-03-11 10:40:40 2461110.9449074 18.5458 0.0745376 ABMag g-ZTF P48_ZTF-Cam
564000 2026-02-26 11:34:14 2461097.9821065 20.5084 0.20228 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-09 12:46:06 - 2026-03-09 12:46:06 2461109.03201 - 2461109.03201 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563839 2026-03-09 12:46:06 2461109.03201 18.4 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [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
296885 2026-03-21 23:13:18 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:57:48.091 -10:21:00.98 2026-03-02 03:21:15.264 19.09 L-GOTO Other GOTO26cde GOTO N
294178 2026-03-11 11:04:59 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:57:48.103 -10:21:00.67 2026-02-26 11:34:14.001 20.5084 g-ZTF PSN ZTF26aaiyura ZTF N
294102 2026-03-10 14:01:42 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:57:48.114 -10:21:00.74 2026-03-10 01:35:12.768 18.473 orange-ATLAS PSN ATLAS26cuj ATLAS 2026TNSTR.999....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
23211 2026-03-14 09:04:07 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.09 1 ZTF 2026TNSCR1086....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
23212 2026-03-14 06:54:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ffq_2026-03-14_06-54-17.473686_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 03/11/2026 - 11:04

Object coordinates updated

Object coordinates updated according to AT-report 294178 of Group ZTF
Previous RA, DEC: 13:57:48.114, -10:21:00.74 (209.450476667, -10.3502066667)
Updated RA, DEC: 13:57:48.103, -10:21:00.67 (209.4504281, -10.3501862)