RA/DEC (2000)
06:09:46.694 +35:34:19.94
92.4445596495 +35.5722067881
Type
TDE-featureless
Redshift
0.345
Related AstroNotes: 2025-307, 2025-310, 2025-327, 2026-37
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-12 10:41:24.002
TNS AT
Y
Public
Y
Discovery Mag
20.3328
Filter
r-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 TDE_2025zmb - 2026-02-16 00:00:00 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
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Show N II at z=vexp= km/s
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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
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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
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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
 PS2_GPC2_w
 GOTO-N_GOTO-1_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
23017 2026-02-16 00:00:00 Keck1 / LRIS E. Hammerstein, R. Chornock ZTF tns_2025zmb_2026-02-16_Keck1_LRIS_ZTF.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-15 05:32:15 - 2025-10-15 05:32:15 2460963.730734 - 2460963.730734 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527739 2025-10-15 05:32:15 2460963.730734 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-29 10:11:14 - 2025-11-29 10:11:14 2461008.92447 - 2461008.92447 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545966 2025-11-29 10:11:14 2461008.92447 18.73 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-10-30 01:10:58 - 2025-10-30 01:10:58 2460978.549275 - 2460978.549275 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527740 2025-10-30 01:10:58 2460978.549275 18.98 0.06 ABMag L-GOTO GOTO-N_GOTO-1 360
r-ZTF P48_ZTF-Cam 2025-09-05 12:11:57 - 2025-09-24 12:10:24 2460924.0082986 - 2460943.0072222 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525822 2025-09-24 12:10:24 2460943.0072222 20.6848 0.255938 20.5455 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
521971 2025-09-12 10:41:24 2460930.9454167 20.3328 0.194588 ABMag r-ZTF P48_ZTF-Cam
521970 2025-09-05 12:11:57 2460924.0082986 21.2139 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-02 11:51:52 - 2025-10-02 11:51:52 2460950.9943519 - 2460950.9943519 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521972 2025-10-02 11:51:52 2460950.9943519 19.7767 0.128772 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-15 13:31:27 - 2025-10-16 13:35:40 2460964.06351 - 2460965.06644 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524419 2025-10-16 13:35:40 2460965.06644 18.891 0.121 19.53 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
524418 2025-10-15 13:31:27 2460964.06351 19.36 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
284719 2025-12-31 00:55:48 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 06:09:46.694 +35:34:19.94 2025-11-29 10:11:14.208 18.73 w-P1 PSN PS25lkh Pan-STARRS N
275193 2025-10-30 10:06:48 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 06:09:46.693 +35:34:20.22 2025-10-30 01:10:57.792 18.98 L-GOTO Other GOTO25jiy GOTO N
274323 2025-10-22 18:18:39 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 06:09:46.701 +35:34:19.97 2025-09-24 12:10:23.998 20.6848 r-ZTF PSN ZTF25abuovxv ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abuovxv N
273695 2025-10-17 14:32:19 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 06:09:46.668 +35:34:19.88 2025-10-16 13:35:40.416 18.891 orange-ATLAS PSN ATLAS25mvj ATLAS N
272369 2025-10-02 22:35:55 Fritz Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 06:09:46.706 +35:34:20.07 2025-09-12 10:41:24.002 20.3328 r-ZTF PSN ZTF25abuovxv ZTF 2025TNSTR3968....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23016 2026-02-18 19:37:35 Erica Hammerstein Erica Hammerstein ZTF TDE-featureless 0.345 1 ZTF The spectrum reveals a featureless, blue continuum. However, weak stellar absorption features such as Ca II H+K and Na I D, diluted by the continuum of the transient, are detected at a consistent redshift of z=0.345 2026TNSCR.702....1H
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
23017 2026-02-16 00:00:00 Keck1 / LRIS E. Hammerstein, R. Chornock ZTF tns_2025zmb_2026-02-16_Keck1_LRIS_ZTF.flm Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 284719 of Group Pan-STARRS
Previous RA, DEC: 06:09:46.701, +35:34:19.97 (92.444588, +35.572213364706)
Updated RA, DEC: 06:09:46.694, +35:34:19.94 (92.4445596495, +35.5722067881)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 274323 of Group ZTF
Previous RA, DEC: 06:09:46.706, +35:34:20.07 (92.44461, +35.5722406)
Updated RA, DEC: 06:09:46.701, +35:34:19.97 (92.444588, +35.572213364706)