RA/DEC (2000)
04:32:12.399 -05:22:39.51
68.0516640944 -5.37764074294
Type
TDE
Redshift
0.01368
Discovery ReportClassification Report
Related AstroNotes: 2025-311, 2025-313, 2025-315, 2025-316, 2025-322, 2025-328
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-01 04:08:21.408
TNS AT
Y
Public
Y
Discovery Mag
18.96
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2025aarm - 2025-10-29 10:26:06 FTN / FLOYDS-N (StarDestroyers)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
 ▌PS2_GPC2_g
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
   
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
22330 2025-10-29 10:26:06 FTN / FLOYDS-N 2700 Las Cumbres Observatory Megan Newsome StarDestroyers tns_2025aarm_2025-10-29_10-26-06_FTN_FLOYDS-N_StarDestroyers.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-11 03:47:46 - 2025-10-12 02:31:36 2460959.65817 - 2460960.60528 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529167 2025-10-12 02:31:36 2460960.60528 17.321 0.111 19.45 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
529166 2025-10-11 03:47:46 2460959.65817 19.29 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-10-01 04:08:21 - 2025-10-01 04:08:21 2460949.672472 - 2460949.672472 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524439 2025-10-01 04:08:21 2460949.672472 18.96 0.07 ABMag L-GOTO GOTO-N_GOTO-2 360
g-P1 PS2_GPC2 2025-11-07 11:07:48 - 2025-11-07 11:07:48 2460986.96375 - 2460986.96375 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531502 2025-11-07 11:07:48 2460986.96375 15.7 0.01 21 ABMag g-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-09-30 04:12:35 - 2025-09-30 04:12:35 2460948.675404 - 2460948.675404 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524438 2025-09-30 04:12:35 2460948.675404 19.8 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-10-07 08:32:31 - 2025-10-14 07:01:32 2460955.8559144 - 2460962.7927315 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525951 2025-10-14 07:01:32 2460962.7927315 17.38 0.08 20.39 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
525950 2025-10-07 08:32:31 2460955.8559144 19.47 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [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
277087 2025-11-16 18:56:31 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:32:12.399 -05:22:39.51 2025-11-07 11:07:48.000 15.7 g-P1 PSN PS25ijh Pan-STARRS N
275832 2025-11-05 14:12:00 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:32:12.398 -05:22:39.56 2025-10-12 02:31:36.192 17.321 wide-ATLAS PSN ATLAS25nwk ATLAS N
274378 2025-10-23 09:53:08 BlackGEM_Bot1 H. Tranin,F. Stoppa,D. Pieterse et al. BlackGEM BlackGEM 04:32:12.395 -05:22:39.71 2025-10-14 07:01:32.000 17.38 BG-q-BlackGem PSN BGEM J043212.39-052239.7 BlackGEM N
273709 2025-10-17 18:18:25 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 04:32:12.395 -05:22:38.38 2025-10-01 04:08:21.408 18.96 L-GOTO Other GOTO25iqe GOTO 2025TNSTR4156....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22330 2025-10-30 16:22:03 Megan Newsome Megan Newsome (UT Austin), Sara Faris (Tel Aviv University), Iair Arcavi (TAU), Yael Dgany (TAU), Sebastian Gomez (UT Austin) StarDestroyers TDE 0.01368 1 1 StarDestroyers We classify as a TDE based on a spectrum showing broad H and He II emission on top of a blue continuum, and the central location of the event in its host galaxy. Using Next Generation Superfit (Goldwasser et al. 2022, Howell et al. 2005) we find good fits to TDEs including 2019ahk, a TDE H+He, at z=0.014. The redshift of the host has been estimated as z=0.013683 (2012ApJS..199...26H, value from NED) which matches well to our fits. 2025TNSCR4374....1N
Related files
File Comments Last Modified (UT) Modified By
tns_2025aarm_atrep_22330_StarDestroyers.pdf Superfit match to TDE 2019ahk. 2025-10-30 16:22:03 Megan Newsome
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
22330 2025-10-29 10:26:06 FTN / FLOYDS-N 2700 Las Cumbres Observatory Megan Newsome StarDestroyers tns_2025aarm_2025-10-29_10-26-06_FTN_FLOYDS-N_StarDestroyers.ascii Object

Comments

TNS
System

Sun, 11/16/2025 - 18:56

Object coordinates updated

Object coordinates updated according to AT-report 277087 of Group Pan-STARRS
Previous RA, DEC: 04:32:12.395, -05:22:39.71 (68.051646, -5.377697)
Updated RA, DEC: 04:32:12.399, -05:22:39.51 (68.0516640944, -5.37764074294)

TNS
System

Thu, 10/23/2025 - 09:53

Object coordinates updated

Object coordinates updated according to AT-report 274378 of Group BlackGEM
Previous RA, DEC: 04:32:12.395, -05:22:38.38 (68.051645, -5.377328)
Updated RA, DEC: 04:32:12.395, -05:22:39.71 (68.051646, -5.377697)