RA/DEC (2000)
19:57:47.168 -09:02:05.69
299.446532 -9.0349143
Type
TDE
Redshift
0.189
Discovery ReportClassification Report
Related AstroNotes: 2025-251
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-20 05:38:33.996
TNS AT
Y
Public
Y
Discovery Mag
20.7029
Filter
r-ZTF
Reporter/s
Robert Stein (UMD) on behalf of the ZTF AGN/TDE working group
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2025spf - 2025-07-28 12:04:55 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

 ▌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
21745 2025-07-28 12:04:55 Keck1 / LRIS R. Stein R. Stein ZTF tns_2025spf_2460885.00341_Keck1_LRIS_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-07-20 05:38:34 - 2025-07-29 07:40:29 2460876.7351157 - 2460885.8197801 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505983 2025-07-29 07:40:29 2460885.8197801 20.1406 0.186429 ABMag r-ZTF P48_ZTF-Cam
505982 2025-07-20 05:38:34 2460876.7351157 20.7029 0.208091 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-07-17 09:05:06 - 2025-07-17 09:05:06 2460873.8785417 - 2460873.8785417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505981 2025-07-17 09:05:06 2460873.8785417 19.6935 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
264267 2025-07-29 20:22:49 tdescore_bot Robert Stein (UMD) on behalf of the ZTF AGN/TDE working group et al. ZTF ZTF 19:57:47.168 -09:02:05.69 2025-07-20 05:38:33.996 20.7029 r-ZTF PSN ZTF25abcemrc ZTF 2025TNSTR2978....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
21745 2025-08-11 13:24:02 Robert Stein R. Stein (JSI), I. Andreoni (UNC), J. Carney (UNC), E. Hammerstein (UC Berkeley), R. Chornock (UC Berkeley), X. J. Hall (CMU) on behalf of the ZTF AGN/TDE working group ZTF TDE 0.189 1 ZTF 2025TNSCR3152....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
21745 2025-07-28 12:04:55 Keck1 / LRIS R. Stein R. Stein ZTF tns_2025spf_2460885.00341_Keck1_LRIS_ZTF.spec Object

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