RA/DEC (2000)
09:25:01.367 +40:04:18.15
141.2556967 +40.0717089
Type
TDE-featureless
Redshift
0.18
Discovery ReportClassification Report
Related AstroNotes: 2025-309
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-13 12:17:42.002
TNS AT
Y
Public
Y
Discovery Mag
20.0001
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

 ▌TDE_2025aapf - 2025-10-23 15:12:58 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
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-N_GOTO-2_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
22316 2025-10-23 15:12:58 Keck1 / LRIS 700 R. Chornock R. Chornock ZTF tns_2025aapf_2025-10-23.634_Keck1_LRIS_ZTF.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-09 04:39:51 - 2025-10-25 05:29:44 2460957.694342 - 2460973.728978 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526745 2025-10-25 05:29:44 2460973.728978 19.64 0.12 ABMag L-GOTO GOTO-N_GOTO-2 180
526744 2025-10-09 04:39:51 2460957.694342 19 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-16 12:16:40 - 2025-10-16 12:16:40 2460965.0115741 - 2460965.0115741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524224 2025-10-16 12:16:40 2460965.0115741 20.1153 0.184241 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-13 12:16:20 - 2025-10-13 12:17:42 2460962.0113426 - 2460962.0122917 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524223 2025-10-13 12:17:42 2460962.0122917 20.0001 0.204559 ABMag g-ZTF P48_ZTF-Cam
524222 2025-10-13 12:16:20 2460962.0113426 20.0541 ABMag g-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
274750 2025-10-25 10:08:23 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 09:25:01.405 +40:04:18.09 2025-10-25 05:29:43.872 19.64 L-GOTO Other GOTO25jdw GOTO N
273550 2025-10-16 12:47:06 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:25:01.367 +40:04:18.15 2025-10-13 12:17:42.002 20.0001 g-ZTF PSN ZTF25abxcnsf ZTF 2025TNSTR4149....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
22316 2025-10-29 02:56:37 Ryan Chornock R. Chornock (UC Berkeley), R. Stein (UMD/JSI), E. Hammerstein (UC Berkeley), J. Carney (UNC) on behalf of ZTF ZTF TDE-featureless 0.18 1 TRex, ZTF Very blue continuum with no broad features from the transient. Host galaxy star light present at z=0.180. 2025TNSCR4355....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
22316 2025-10-23 15:12:58 Keck1 / LRIS 700 R. Chornock R. Chornock ZTF tns_2025aapf_2025-10-23.634_Keck1_LRIS_ZTF.flm Object

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