RA/DEC (2000)
21:41:27.257 -04:20:22.09
325.3635703 -4.3394695
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2025-344
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-11 02:24:25.004
TNS AT
Y
Public
Y
Discovery Mag
19.2463
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_2025ahdt - 2025-12-20 02:54:14 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

 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
22678 2025-12-20 02:54:14 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahdt_2025-12-20_02-54-13.892796_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-12-08 20:01:58 - 2025-12-08 20:01:58 2461018.334704 - 2461018.334704 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540502 2025-12-08 20:01:58 2461018.334704 19.6 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-12-09 19:27:36 - 2025-12-09 19:27:36 2461019.310834 - 2461019.310834 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540503 2025-12-09 19:27:36 2461019.310834 19.61 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-12-07 03:43:34 - 2025-12-11 02:24:25 2461016.6552546 - 2461020.6002894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539506 2025-12-11 02:24:25 2461020.6002894 19.2463 0.0941813 ABMag r-ZTF P48_ZTF-Cam
539505 2025-12-07 03:43:34 2461016.6552546 19.4505 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-17 03:47:08 - 2025-12-17 03:47:08 2461026.6577315 - 2461026.6577315 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539507 2025-12-17 03:47:08 2461026.6577315 18.7745 0.148005 ABMag g-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
281347 2025-12-19 08:41:12 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 21:41:27.290 -04:20:21.91 2025-12-09 19:27:35.712 19.61 L-GOTO Other GOTO25lyl GOTO N
280899 2025-12-17 05:16:52 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:41:27.257 -04:20:22.09 2025-12-11 02:24:25.004 19.2463 r-ZTF PSN ZTF25acgngdl 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
22677 2025-12-22 17:26:22 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.06 1 ZTF 2025TNSCR5136....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
22678 2025-12-20 02:54:14 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahdt_2025-12-20_02-54-13.892796_P60_SEDM_ZTF.ascii Object

Comments