RA/DEC (2000)
22:48:36.744 +13:55:55.20
342.153098002 +13.9320008587
Type
SN IIn
Redshift
0.1309
Related AstroNotes: 2025-259, 2025-264
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-03 03:29:53.664
TNS AT
Y
Public
Y
Discovery Mag
19.732
Filter
wide-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025tbk - 2025-08-25 06:01:50 Magellan-Clay / LDSS-3 (FLEET)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
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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
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
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Show Tellurics 
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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_r
 ATLAS-STH_ATLAS-03_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 PS1_GPC1_w
   
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
21892 2025-08-25 06:01:50 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar (CfA) FLEET tns_2025tbk_2025-08-25_06-01-50_Magellan-Clay_LDSS-3_FLEET.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-03 03:29:54 - 2025-08-03 03:29:54 2460890.64576 - 2460890.64576 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507214 2025-08-03 03:29:54 2460890.64576 19.732 0.18 20.37 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-07-30 01:50:00 - 2025-07-30 01:50:00 2460886.576391 - 2460886.576391 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511618 2025-07-30 01:50:00 2460886.576391 20.1 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
r-P1 PS2_GPC2 2025-08-27 09:23:05 - 2025-08-27 09:23:05 2460914.89103 - 2460914.89103 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512948 2025-08-27 09:23:05 2460914.89103 19.8 0.04 20.6 ABMag r-P1 PS2_GPC2 27 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-08-02 02:27:25 - 2025-08-02 02:27:25 2460889.60237 - 2460889.60237 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507213 2025-08-02 02:27:25 2460889.60237 19.4 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-08-23 03:50:44 - 2025-08-23 03:50:44 2460910.660235 - 2460910.660235 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511619 2025-08-23 03:50:44 2460910.660235 19.16 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-07-25 09:52:31 - 2025-08-14 08:36:48 2460881.9114699 - 2460901.8588889 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508723 2025-08-14 08:36:48 2460901.8588889 19.6364 0.148978 ABMag r-ZTF P48_ZTF-Cam
508721 2025-07-25 09:52:31 2460881.9114699 20.5993 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-23 10:09:14 - 2025-07-27 08:09:39 2460879.9230787 - 2460883.8400347 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508810 2025-07-27 08:09:39 2460883.8400347 20.4862 0.214725 20.8163 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
508722 2025-07-26 09:09:40 2460882.881713 20.6462 0.139493 ABMag g-ZTF P48_ZTF-Cam
508809 2025-07-23 10:09:14 2460879.9230787 20.5828 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
w-P1 PS1_GPC1 2025-07-28 09:56:46 - 2025-07-28 09:56:46 2460884.91442 - 2460884.91442 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507817 2025-07-28 09:56:46 2460884.91442 20.56 0.06 22 ABMag w-P1 PS1_GPC1 45 Robot
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
267939 2025-08-28 04:35:29 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 22:48:36.744 +13:55:55.20 2025-08-27 09:23:04.992 19.8 r-P1 PSN PS25fzm Pan-STARRS N
267275 2025-08-23 10:47:03 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 22:48:36.758 +13:55:55.13 2025-08-23 03:50:43.872 19.16 L-GOTO Other GOTO25geb GOTO N
265843 2025-08-14 18:17:08 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 22:48:36.741 +13:55:55.31 2025-07-27 08:09:38.998 20.4862 g-ZTF PSN ZTF25abeldua ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abeldua N
265793 2025-08-14 10:54:15 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 22:48:36.752 +13:55:55.29 2025-07-26 09:09:40.003 20.6462 g-ZTF PSN ZTF25abeldua ZTF N
265234 2025-08-08 10:15:07 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:48:36.746 +13:55:55.22 2025-07-28 09:56:45.888 20.56 w-P1 PSN PS25fzm Pan-STARRS N
264862 2025-08-03 15:34:35 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:48:36.723 +13:55:55.03 2025-08-03 03:29:53.664 19.732 wide-ATLAS PSN ATLAS25jag ATLAS 2025TNSTR3049....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21892 2025-08-27 17:51:48 Harsh Kumar Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA), Edo Berger (Harvard CfA), Alex gagliano(CfA) FLEET SN IIn 0.1309 1 FLEET 2025TNSCR3403....1K
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
21892 2025-08-25 06:01:50 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar (CfA) FLEET tns_2025tbk_2025-08-25_06-01-50_Magellan-Clay_LDSS-3_FLEET.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 267939 of Group Pan-STARRS
Previous RA, DEC: 22:48:36.746, +13:55:55.22 (342.153106558, +13.9320066011)
Updated RA, DEC: 22:48:36.744, +13:55:55.20 (342.153098002, +13.9320008587)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 265234 of Group Pan-STARRS
Previous RA, DEC: 22:48:36.723, +13:55:55.03 (342.153012857, +13.9319528571)
Updated RA, DEC: 22:48:36.746, +13:55:55.22 (342.153106558, +13.9320066011)