RA/DEC (2000)
02:48:09.877 +37:45:17.37
42.0411527 +37.7548257
Type
SN II
Redshift
0.0487
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-11-29 06:00:31.000
TNS AT
Y
Public
Y
Discovery Mag
20.2786
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025afje - 2025-12-24 04:35:02 Keck1 / LRIS (ZTF)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
22724 2025-12-24 04:35:02 Keck1 / LRIS 300 Erica Hammerstein, Ryan Chornock Ryan Chornock ZTF tns_2025afje_2025-12-24_04-35-02_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-11-18 19:05:30 - 2025-12-08 16:26:57 2460998.29549 - 2461018.18538 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536870 2025-12-08 16:26:57 2461018.18538 18.32 ABMag Clear- LAST_LAST-Cam 400
536869 2025-11-18 19:05:30 2460998.29549 20.06 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-11-27 23:15:03 - 2025-12-06 21:37:01 2461007.468793 - 2461016.400706 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536419 2025-12-06 21:37:01 2461016.400706 18.37 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
536418 2025-11-27 23:15:03 2461007.468793 19.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-01 07:36:38 - 2025-12-01 07:36:38 2461010.8171065 - 2461010.8171065 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535326 2025-12-01 07:36:38 2461010.8171065 19.7127 0.176605 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-28 08:44:41 - 2025-11-29 06:00:31 2461007.8643634 - 2461008.7503588 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535325 2025-11-29 06:00:31 2461008.7503588 20.2786 0.185235 ABMag g-ZTF P48_ZTF-Cam
535324 2025-11-28 08:44:41 2461007.8643634 20.5185 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-06 11:42:29 - 2025-12-07 09:19:48 2461015.98784 - 2461016.88875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536519 2025-12-07 09:19:48 2461016.88875 18.446 0.167 18.78 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
536518 2025-12-06 11:42:29 2461015.98784 18.39 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
279712 2025-12-08 16:53:43 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 02:48:09.867 +37:45:17.14 2025-12-08 16:26:56.832 18.32 Clear- PSN LAST N
279554 2025-12-07 12:42:40 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 02:48:09.869 +37:45:17.59 2025-12-07 09:19:48.000 18.446 orange-ATLAS PSN ATLAS25pip ATLAS N
279508 2025-12-06 23:31:40 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 02:48:09.907 +37:45:17.95 2025-12-06 21:37:01.344 18.37 L-GOTO Other GOTO25lcr GOTO N
278945 2025-12-01 08:23:33 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 02:48:09.877 +37:45:17.37 2025-11-29 06:00:31.000 20.2786 g-ZTF PSN ZTF25acfcmnb ZTF 2025TNSTR4787....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
22723 2026-01-02 21:48:46 ZTF_Bot1 R. Chornock, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.0487 1 ZTF 2026TNSCR..18....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
22724 2025-12-24 04:35:02 Keck1 / LRIS 300 Erica Hammerstein, Ryan Chornock Ryan Chornock ZTF tns_2025afje_2025-12-24_04-35-02_Keck1_LRIS_ZTF.ascii Object

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