RA/DEC (2000)
16:19:48.245 +03:07:17.21
244.9510228 +3.1214475
Type
SN IIb
Redshift
0.028
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-01-13 13:40:50.998
TNS AT
Y
Public
Y
Host Name
PGC057843
Comments
[Object cross-matched with PGC057843]
Discovery Mag
19.0879
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_2026abu - 2026-01-18 13:38:31 Lick-3m / KAST (UCSC)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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-N_GOTO-1_L
 ▌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
22822 2026-01-18 13:38:31 Lick-3m / KAST 3000 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2026abu_2026-01-18_13-38-31.00_Lick-3m_KAST_UCSC.flm Object We measure a H-alpha absorption velocity of -9,100 km/s.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-09-08 21:38:08 - 2026-01-15 06:59:08 2460927.401485 - 2461055.791069 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
550139 2026-01-15 06:59:08 2461055.791069 19.23 0.13 ABMag L-GOTO GOTO-N_GOTO-1 180
550138 2025-09-08 21:38:08 2460927.401485 18.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-29 13:56:44 - 2026-01-14 13:38:38 2461039.0810648 - 2461055.0684954 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
549828 2026-01-14 13:38:38 2461055.0684954 19.2527 0.136105 ABMag r-ZTF P48_ZTF-Cam
549827 2026-01-13 13:40:51 2461054.0700347 19.0879 0.167397 ABMag r-ZTF P48_ZTF-Cam
549826 2025-12-29 13:56:44 2461039.0810648 18.5392 ABMag r-ZTF P48_ZTF-Cam [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
287238 2026-01-15 10:34:43 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 16:19:48.247 +03:07:17.88 2026-01-15 06:59:08.448 19.23 L-GOTO Other GOTO26kh GOTO N
287117 2026-01-14 15:15:56 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:19:48.245 +03:07:17.21 2026-01-13 13:40:50.998 19.0879 r-ZTF PSN ZTF26aaavvqo ZTF 2026TNSTR.159....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
22821 2026-01-20 18:06:05 Kyle Davis Kyle Davis (UCSC), Ryan Foley (UCSC) UCSC SN IIb 0.028 1 UCSC, YSE 2026TNSCR.258....1D
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
22822 2026-01-18 13:38:31 Lick-3m / KAST 3000 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2026abu_2026-01-18_13-38-31.00_Lick-3m_KAST_UCSC.flm Object We measure a H-alpha absorption velocity of -9,100 km/s.

Comments