RA/DEC (2000)
15:52:10.838 +34:05:16.76
238.0451596 +34.0879878
Type
SN Ia
Redshift
0.048404
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-03-15 10:21:58.000
TNS AT
Y
Public
Y
Discovery Mag
19.3518
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026fqk - 2026-04-02 08:44:25 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

 ▌WFST_WFST-WFC_r
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
23419 2026-04-02 08:44:25 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026fqk_2026-04-02_08-44-25.002863_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2026-03-18 19:30:43 - 2026-03-18 19:30:43 2461118.313 - 2461118.313 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572100 2026-03-18 19:30:43 2461118.313 18.33 0.01 ABMag r-WFST WFST_WFST-WFC 30
Clear- LAST_LAST-Cam 2024-07-08 18:16:36 - 2026-04-05 23:07:37 2460500.26153 - 2461136.46362 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
572681 2026-04-05 23:07:37 2461136.46362 17.86 ABMag Clear- LAST_LAST-Cam 400
572680 2024-07-08 18:16:36 2460500.26153 22.35 ABMag Clear- LAST_LAST-Cam 5140 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-03-13 03:26:03 - 2026-03-15 03:20:57 2461112.643094 - 2461114.639547 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565638 2026-03-15 03:20:57 2461114.639547 19.56 0.15 ABMag L-GOTO GOTO-N_GOTO-2 180
565637 2026-03-13 03:26:03 2461112.643094 19.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-11 12:25:05 - 2026-03-15 12:09:18 2461111.017419 - 2461115.0064583 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564939 2026-03-15 12:09:18 2461115.0064583 19.335 0.143498 ABMag r-ZTF P48_ZTF-Cam
564937 2026-03-11 12:25:05 2461111.017419 20.5882 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-15 10:21:58 - 2026-03-15 10:21:58 2461114.9319213 - 2461114.9319213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564938 2026-03-15 10:21:58 2461114.9319213 19.3518 0.13084 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-03-27 11:15:33 - 2026-03-27 11:15:33 2461126.96913 - 2461126.96913 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570779 2026-03-27 11:15:33 2461126.96913 17.61 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-28 12:04:46 - 2026-03-28 12:04:46 2461128.00331 - 2461128.00331 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570780 2026-03-28 12:04:46 2461128.00331 17.438 0.104 18.09 ABMag orange-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
298768 2026-04-05 23:52:11 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 15:52:10.785 +34:05:16.60 2026-04-05 23:07:36.768 17.86 Clear- PSN LAST N
298403 2026-04-04 13:59:33 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 15:52:10.830 +34:05:16.73 2026-03-18 19:30:43.200 18.33 r-WFST PSN WFST260318avxci WFST N
297663 2026-03-28 19:14:39 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 15:52:10.842 +34:05:16.88 2026-03-28 12:04:45.984 17.438 orange-ATLAS PSN ATLAS26dmp ATLAS N
294911 2026-03-18 10:12:14 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 15:52:10.885 +34:05:16.52 2026-03-15 03:20:57.120 19.56 L-GOTO Other GOTO26car GOTO N
294579 2026-03-15 15:03:05 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:52:10.838 +34:05:16.76 2026-03-15 10:21:58.000 19.3518 g-ZTF PSN ZTF26aalhbpn ZTF 2026TNSTR1097....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23417 2026-04-02 15:47:39 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.048404 1 ZTF 2026TNSCR1406....1F
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
23419 2026-04-02 08:44:25 P60 / SEDM 2160 SEDmRobot jpurdum ZTF tns_2026fqk_2026-04-02_08-44-25.002863_P60_SEDM_ZTF.ascii Object

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