RA/DEC (2000)
14:57:32.785 +13:02:10.83
224.3866038 +13.0363417
Type
SN Ia
Redshift
0.104
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2026-02-23 11:05:34.996
TNS AT
Y
Public
Y
Host Name
SDSS J145732.68+130210.6
Host Redshift
0.1019531
Discovery Mag
19.9313
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Bommireddy, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2026efy - 2026-03-16 11:51:28 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-STH_ATLAS-03_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_i
 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
23223 2026-03-16 11:51:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026efy_2026-03-16_11-51-28.318710_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-07 03:14:12 - 2026-03-07 03:14:12 2461106.63486 - 2461106.63486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564050 2026-03-07 03:14:12 2461106.63486 18.53 0.152 19.09 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2026-03-06 00:44:13 - 2026-03-06 00:44:13 2461105.53071 - 2461105.53071 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
564049 2026-03-06 00:44:13 2461105.53071 18.43 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-02-22 04:39:43 - 2026-02-23 04:05:22 2461093.694248 - 2461094.67039 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561507 2026-02-23 04:05:22 2461094.67039 20.15 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
561506 2026-02-22 04:39:43 2461093.694248 20.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-02-14 09:54:44 - 2026-02-14 09:54:44 2461085.9130093 - 2461085.9130093 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
560935 2026-02-14 09:54:44 2461085.9130093 19.8458 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2026-02-23 11:05:35 - 2026-02-23 11:05:35 2461094.9622106 - 2461094.9622106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
560936 2026-02-23 11:05:35 2461094.9622106 19.9313 0.154332 20.5371 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
294198 2026-03-11 18:26:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:57:32.776 +13:02:10.74 2026-03-07 03:14:11.904 18.53 wide-ATLAS PSN ATLAS26cvd ATLAS N
292926 2026-02-25 12:14:37 GOTO_bot M. Magee, D. O'Neill, K. Ackley et al. GOTO GOTO 14:57:32.787 +13:02:10.38 2026-02-23 04:05:21.696 20.15 L-GOTO Other GOTO26bnt GOTO N
292628 2026-02-23 18:12:47 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 14:57:32.785 +13:02:10.83 2026-02-23 11:05:34.996 19.9313 g-ZTF PSN SDSS J145732.68+130210.6 ZTF24aalsrso ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF24aalsrso 2026TNSTR.753....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23222 2026-03-16 12:47:40 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 0.104 1 ZTF 2026TNSCR1126....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
23223 2026-03-16 11:51:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026efy_2026-03-16_11-51-28.318710_P60_SEDM_ZTF.ascii Object

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