RA/DEC (2000)
11:38:50.136 +66:56:23.15
174.7088999 +66.9397631
Type
SN Ia
Redshift
0.052724
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-12 10:41:20.996
TNS AT
Y
Public
Y
Discovery Mag
20.2866
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_2025ahem - 2025-12-18 08:35:28 P60 / SEDM (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
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_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
22641 2025-12-18 08:35:28 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahem_2025-12-18_08-35-27.867151_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-21 02:24:49 - 2025-12-21 02:24:49 2461030.60057 - 2461030.60057 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541485 2025-12-21 02:24:49 2461030.60057 17.968 0.065 19.85 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-12-11 02:23:44 - 2025-12-19 03:09:35 2461020.599809 - 2461028.631657 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540686 2025-12-19 03:09:35 2461028.631657 18.54 0.07 ABMag L-GOTO GOTO-N_GOTO-2 180
540685 2025-12-11 02:23:44 2461020.599809 19.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-12 10:41:21 - 2025-12-17 11:42:02 2461021.9453819 - 2461026.9875231 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539583 2025-12-17 11:42:02 2461026.9875231 18.7983 0.116858 ABMag r-ZTF P48_ZTF-Cam
539582 2025-12-12 10:41:21 2461021.9453819 20.2866 0.17016 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-12-12 08:40:16 - 2025-12-12 08:40:16 2461021.8612963 - 2461021.8612963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539581 2025-12-12 08:40:16 2461021.8612963 20.2508 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-12-14 14:22:16 - 2025-12-14 14:22:16 2461024.0988 - 2461024.0988 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541484 2025-12-14 14:22:16 2461024.0988 19.37 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
281781 2025-12-21 11:36:43 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 11:38:50.093 +66:56:23.17 2025-12-21 02:24:49.248 17.968 wide-ATLAS PSN ATLAS25qas ATLAS N
281437 2025-12-19 10:44:50 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 11:38:50.063 +66:56:23.16 2025-12-19 03:09:35.424 18.54 L-GOTO Other GOTO25lyu GOTO N
280931 2025-12-17 13:40:46 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 11:38:50.136 +66:56:23.15 2025-12-12 10:41:20.996 20.2866 r-ZTF PSN ZTF25acinfar ZTF 2025TNSTR5016....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
22640 2025-12-19 21:42:51 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.052724 1 ZTF 2025TNSCR5077....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
22641 2025-12-18 08:35:28 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahem_2025-12-18_08-35-27.867151_P60_SEDM_ZTF.ascii Object

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