RA/DEC (2000)
17:39:40.560 +14:49:02.18
264.918998 +14.8172734
Type
SN Ia
Redshift
0.093
Discovery ReportClassification Report
Related AstroNotes: 2026-121
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2026-04-21 10:45:12.004
TNS AT
Y
Public
Y
Host Name
DESI J264.9185+14.8169
Host Redshift
0.0928297939
Discovery Mag
19.4006
Filter
i-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026kgw - 2026-05-04 08:41:22 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
 ▌WFST_WFST-WFC_g
 ▌GOTO-S_GOTO-4_L
 ▌GOTO-N_GOTO-1_L
 ▌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
23627 2026-05-04 08:41:22 ESO-NTT / EFOSC2-NTT 1500 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026kgw_2026-05-04_08-41-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kgw_2026-05-04_08-41-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-24 03:31:00 - 2026-04-25 02:21:17 2461154.64653 - 2461155.59811 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578741 2026-04-25 02:21:17 2461155.59811 19.35 0.135 19.94 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
578740 2026-04-24 03:31:00 2461154.64653 20.09 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
g-WFST WFST_WFST-WFC 2026-05-01 19:55:12 - 2026-05-01 19:55:12 2461162.33 - 2461162.33 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579254 2026-05-01 19:55:12 2461162.33 20.16 0.07 ABMag g-WFST WFST_WFST-WFC 30
L-GOTO GOTO-S_GOTO-4 2026-04-20 16:16:19 - 2026-04-20 16:16:19 2461151.177998 - 2461151.177998 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578421 2026-04-20 16:16:19 2461151.177998 19.67 0.14 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-1 2026-04-17 02:12:43 - 2026-04-17 02:12:43 2461147.592169 - 2461147.592169 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578420 2026-04-17 02:12:43 2461147.592169 20 ABMag L-GOTO GOTO-N_GOTO-1 135 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-21 10:45:12 - 2026-04-21 10:45:12 2461151.9480556 - 2461151.9480556 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576802 2026-04-21 10:45:12 2461151.9480556 19.4006 0.143091 19.9958 ABMag i-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
r-ZTF P48_ZTF-Cam 2026-04-21 10:29:21 - 2026-04-21 10:29:21 2461151.9370486 - 2461151.9370486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576801 2026-04-21 10:29:21 2461151.9370486 20.3527 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] 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
302145 2026-05-02 15:03:05 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 17:39:40.550 +14:49:02.47 2026-05-01 19:55:12.000 20.16 g-WFST PSN WFST260419ahtqw WFST N
301899 2026-04-28 20:05:42 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 17:39:40.547 +14:49:02.30 2026-04-25 02:21:16.704 19.35 wide-ATLAS PSN ATLAS26eyh ATLAS N
301727 2026-04-27 20:33:35 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 17:39:40.537 +14:49:03.03 2026-04-20 16:16:19.200 19.67 L-GOTO Other GOTO26eau GOTO N
300901 2026-04-21 18:32:00 ALeRCE A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al. ALeRCE ZTF 17:39:40.560 +14:49:02.18 2026-04-21 10:45:12.004 19.4006 i-ZTF PSN DESI J264.9185+14.8169 ZTF26aattvur 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/ZTF26aattvur 2026TNSTR1745....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
23624 2026-05-04 17:05:01 ePESSTOplus_Bot1 Camila Cárdenas, Jasvinderjit Khaulsay, Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.093 1 ePESSTO+ 2026TNSCR1935....1C
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
23627 2026-05-04 08:41:22 ESO-NTT / EFOSC2-NTT 1500 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026kgw_2026-05-04_08-41-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026kgw_2026-05-04_08-41-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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