RA/DEC (2000)
20:08:19.856 +50:40:27.98
302.0827353 +50.6744399
Type
SN II
Redshift
0.024
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-09-17 04:23:28.996
TNS AT
Y
Public
Y
Host Name
PGC064154
Comments
[Object cross-matched with PGC064154]
Discovery Mag
18.6741
Filter
r-ZTF
Reporter/s
Yogesh Wagh (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026abyk - 2026-09-21 07:10:00 Lick-3m / KAST (UCSC)z=
 ▌SN_2026abyk - 2026-09-19 07:55:48 P60 / SEDM (ZTF)z=
 ▌SN_2026abyk - 2026-09-18 20:35:45 Other / Other (None)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-2_L
 ▌GOTO-N_GOTO-1_L
 ▌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
24752 2026-09-21 07:10:00 Lick-3m / KAST Ravjit Kaur UCSC tns_2026abyk_2026-09-21_07-10-00_Lick-3m_KAST_UCSC.flm Object
24753 2026-09-19 07:55:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026abyk_2026-09-19_07-55-47.941384_P60_SEDM_ZTF.ascii Object
24729 2026-09-18 20:35:45 Other / Other 7200 Jean-Jacques Legrand Emmanuel Soubrouillard None tns_2026abyk_2026-09-18_20-35-45_Other_Other_None.dat tns_2026abyk_2026-09-18_20-35-45_Other_Other_None.fits Object 2026-09-20 Spectrum taken using an Alpy 200 grism slit spectrograph (R=130) and a 0.3m aperture Newton telscope in Pic des Fées Observatory - Hyères - France
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2026-10-03 20:09:46 - 2026-10-03 20:09:46 2461317.340111 - 2461317.340111 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
624380 2026-10-03 20:09:46 2461317.340111 18.93 0.12 ABMag L-GOTO GOTO-N_GOTO-2 360
L-GOTO GOTO-N_GOTO-1 2026-08-25 21:25:07 - 2026-08-25 21:25:07 2461278.392442 - 2461278.392442 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
624379 2026-08-25 21:25:07 2461278.392442 19.9 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-09-14 04:57:44 - 2026-09-17 04:23:29 2461297.7067593 - 2461300.6829745 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
619718 2026-09-17 04:23:29 2461300.6829745 18.6741 0.0710186 ABMag r-ZTF P48_ZTF-Cam
619717 2026-09-14 04:57:44 2461297.7067593 20.4071 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-09-17 06:09:45 - 2026-09-17 06:09:45 2461300.7567708 - 2461300.7567708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
619719 2026-09-17 06:09:45 2461300.7567708 18.6333 0.116661 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-09-30 08:18:28 - 2026-10-01 07:39:36 2461313.84616 - 2461314.81917 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
623304 2026-10-01 07:39:36 2461314.81917 18.491 0.121 19.27 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
623303 2026-09-30 08:18:28 2461313.84616 19.08 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
326755 2026-10-04 12:40:37 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:08:19.845 +50:40:27.94 2026-10-03 20:09:45.504 18.93 L-GOTO Other GOTO26kob GOTO N
326086 2026-10-01 18:34:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:08:19.839 +50:40:27.61 2026-10-01 07:39:36.288 18.491 orange-ATLAS PSN ATLAS26lxs ATLAS N
323911 2026-09-17 12:44:03 Fritz Yogesh Wagh (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:08:19.856 +50:40:27.98 2026-09-17 04:23:28.996 18.6741 r-ZTF PSN ZTF26abvdwrk ZTF 2026TNSTR3766....1W N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24745 2026-09-23 05:08:51 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.024 1 ZTF 2026TNSCR3858....1S
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
24753 2026-09-19 07:55:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026abyk_2026-09-19_07-55-47.941384_P60_SEDM_ZTF.ascii Object
24744 2026-09-23 00:16:02 Ravjit Kaur Ravjit Kaur (UCSC), Kishore C. Patra (UCSC), Ryan J. Foley (UCSC) UCSC SN II 0.024 1 UCSC When the redshift is given to 2 decimal places, it is derived from the SN spectrum. Otherwise, the redshift is determined from the host galaxy. 2026TNSCR3856....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
24752 2026-09-21 07:10:00 Lick-3m / KAST Ravjit Kaur UCSC tns_2026abyk_2026-09-21_07-10-00_Lick-3m_KAST_UCSC.flm Object
24721 2026-09-20 17:12:56 Emmanuel Soubrouillard Emmanuel Soubrouillard None Other 0.024 1 1 2026-09-20 Spectrum show a hot continuum. Ha line (FWHM velocity 1800 km/s) is in accordance with z from host galaxy PGC064154 (z=0.024 from NED). Extra-galactic transient probably associated with PGC064154. Spectral monitoring would be welcome. See visual picture of transient in add 2026TNSCR3823....1S
Related files
File Comments Last Modified (UT) Modified By
tns_2026abyk_atrep_24721.jpg 2026-09-20 17:12:56 Emmanuel Soubrouillard
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
24729 2026-09-18 20:35:45 Other / Other 7200 Jean-Jacques Legrand Emmanuel Soubrouillard None tns_2026abyk_2026-09-18_20-35-45_Other_Other_None.dat tns_2026abyk_2026-09-18_20-35-45_Other_Other_None.fits Object 2026-09-20 Spectrum taken using an Alpy 200 grism slit spectrograph (R=130) and a 0.3m aperture Newton telscope in Pic des Fées Observatory - Hyères - France

Comments