RA/DEC (2000)
12:45:10.715 +03:49:29.57
191.2946478 +3.8248808
Type
SN Ia
Redshift
0.078
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-17 07:07:42.000
TNS AT
Y
Public
Y
Discovery Mag
20.4956
Filter
r-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026lba - 2026-05-07 06:58:14 P60 / SEDM (ZTF)z=
 ▌SN_2026lba - 2026-05-05 04:37:27 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-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
23658 2026-05-07 06:58:14 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026lba_2026-05-07_06-58-13.545412_P60_SEDM_ZTF.ascii Object
23638 2026-05-05 04:37:27 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026lba_2026-05-05_04-37-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lba_2026-05-05_04-37-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-26 02:46:19 - 2026-04-26 02:46:19 2461156.6155 - 2461156.6155 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579017 2026-04-26 02:46:19 2461156.6155 18.682 0.185 19.01 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
i-ZTF P48_ZTF-Cam 2026-04-17 06:28:03 - 2026-04-17 06:28:03 2461147.7694792 - 2461147.7694792 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578912 2026-04-17 06:28:03 2461147.7694792 19.9441 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-17 07:07:42 - 2026-04-17 07:07:42 2461147.7970139 - 2461147.7970139 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578913 2026-04-17 07:07:42 2461147.7970139 20.4956 0.16666 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-25 07:47:30 - 2026-04-25 07:47:30 2461155.8246528 - 2461155.8246528 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578914 2026-04-25 07:47:30 2461155.8246528 18.5586 0.0891815 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-04-24 10:16:09 - 2026-04-24 10:16:09 2461154.92788 - 2461154.92788 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579016 2026-04-24 10:16:09 2461154.92788 19.3 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
302023 2026-04-30 09:38:51 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:45:10.777 +03:49:29.85 2026-04-26 02:46:19.200 18.682 orange-ATLAS PSN ATLAS26eyz ATLAS N
301968 2026-04-29 13:30:34 Fritz Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 12:45:10.715 +03:49:29.57 2026-04-17 07:07:42.000 20.4956 r-ZTF PSN ZTF19aaloljd ZTF 2026TNSTR1881....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23655 2026-05-07 15:52:26 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 0.078 1 ZTF 2026TNSCR1981....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
23658 2026-05-07 06:58:14 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026lba_2026-05-07_06-58-13.545412_P60_SEDM_ZTF.ascii Object
23635 2026-05-05 16:40:50 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.077 1 ePESSTO+ 2026TNSCR1949....1K
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
23638 2026-05-05 04:37:27 ESO-NTT / EFOSC2-NTT 900 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026lba_2026-05-05_04-37-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lba_2026-05-05_04-37-27_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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