RA/DEC (2000)
19:52:57.092 -14:42:22.29
298.237884 -14.7061929
Type
SN Ia
Redshift
0.1
Discovery ReportClassification Report
Related AstroNotes: 2026-142
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-11 10:55:21.996
TNS AT
Y
Public
Y
Discovery Mag
19.3576
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026mkj - 2026-05-18 06:26:47 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

 ▌BG4_BlackGEM-Cam4_BG-q
 ▌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
23765 2026-05-18 06:26:47 ESO-NTT / EFOSC2-NTT 899 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026mkj_2026-05-18_06-26-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026mkj_2026-05-18_06-26-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG4_BlackGEM-Cam4 2026-05-04 10:04:20 - 2026-05-14 10:23:44 2461164.9196759 - 2461174.9331481 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582394 2026-05-14 10:23:44 2461174.9331481 19.29 0.09 20.22 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
582393 2026-05-04 10:04:20 2461164.9196759 19.62 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-03 11:08:26 - 2026-05-13 10:14:34 2461163.9641898 - 2461173.9267824 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582223 2026-05-13 10:14:34 2461173.9267824 19.458 0.155742 ABMag i-ZTF P48_ZTF-Cam
582221 2026-05-03 11:08:26 2461163.9641898 18.9804 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-11 10:55:22 - 2026-05-11 10:55:22 2461171.9551157 - 2461171.9551157 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582222 2026-05-11 10:55:22 2461171.9551157 19.3576 0.154398 ABMag r-ZTF P48_ZTF-Cam
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
303655 2026-05-14 13:21:02 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 19:52:57.103 -14:42:22.45 2026-05-14 10:23:44.000 19.29 BG-q-BlackGem PSN BGEM J195257.10-144222.4 BlackGEM N
303573 2026-05-13 17:27:05 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 19:52:57.092 -14:42:22.29 2026-05-11 10:55:21.996 19.3576 r-ZTF PSN ZTF26aawdydq ZTF 2026TNSTR2086....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
23761 2026-05-18 16:05:21 ePESSTOplus_Bot1 J. Khaulsay,J. Quirola-Vásquez, C. Aster, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.1 1 ePESSTO+ 2026TNSCR2164....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
23765 2026-05-18 06:26:47 ESO-NTT / EFOSC2-NTT 899 J. Khaulsay,J. Quirola-Vásquez C. Aster ePESSTO+ tns_2026mkj_2026-05-18_06-26-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026mkj_2026-05-18_06-26-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments