RA/DEC (2000)
23:23:01.779 +14:27:06.09
350.757414554 +14.4516928835
Type
SN IIb
Redshift
0.042236
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2025-08-01 11:00:31.680
TNS AT
Y
Public
Y
Discovery Mag
20.69
Filter
w-P1
Reporter/s
K. C. Chambers, T. de Boer, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, G. Paek, A. Schultz, I. A. Smith, R. J. Wainscoat (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (University of Oxford / Queen's University Belfast), S. Srivastav (University of Oxford), D. R. Young, M. Fulton, M. Nicholl, T. Moore, J. Weston, C. R. Angus (Queen's University Belfast)

Spectra

 SN_2025tir - 2025-08-24 06:09:33 P60 / SEDM (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 V at z=vexp= km/s
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Show [O I] at z=vexp= km/s
Show O II at z=vexp= km/s
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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
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Show Tellurics 
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Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-TDO_ATLAS-05_wide
 PS2_GPC2_w
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 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
21873 2025-08-24 06:09:33 P60 / SEDM 2700 SEDmRobot ZTF tns_2025tir_2025-08-24_06-09-32.841691_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-14 02:15:17 - 2025-08-14 02:15:17 2460901.59395 - 2460901.59395 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510476 2025-08-14 02:15:17 2460901.59395 18.54 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
w-P1 PS2_GPC2 2025-08-01 11:00:32 - 2025-08-01 11:00:32 2460888.9587 - 2460888.9587 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507753 2025-08-01 11:00:32 2460888.9587 20.69 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-08-06 01:36:11 - 2025-08-18 00:55:33 2460893.566795 - 2460905.538578 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510003 2025-08-18 00:55:33 2460905.538578 19.2 0.17 ABMag L-GOTO GOTO-N_GOTO-1 180
510002 2025-08-06 01:36:11 2460893.566795 18.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-08-01 10:23:30 - 2025-08-01 10:23:30 2460888.9329861 - 2460888.9329861 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508708 2025-08-01 10:23:30 2460888.9329861 20.2918 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-02 07:39:21 - 2025-08-14 08:43:35 2460889.8189931 - 2460901.8635995 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508710 2025-08-14 08:43:35 2460901.8635995 19.0497 0.0874015 ABMag r-ZTF P48_ZTF-Cam
508709 2025-08-02 07:39:21 2460889.8189931 20.4615 0.204277 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-19 09:52:59 - 2025-08-19 09:52:59 2460906.91179 - 2460906.91179 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510477 2025-08-19 09:52:59 2460906.91179 19.036 0.066 20.4 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 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
266702 2025-08-20 12:58:47 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:23:01.766 +14:27:06.00 2025-08-19 09:52:58.656 19.036 orange-ATLAS PSN ATLAS25jvh ATLAS N
266460 2025-08-18 06:28:03 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 23:23:01.823 +14:27:06.47 2025-08-18 00:55:33.312 19.2 L-GOTO Other GOTO25fzk GOTO N
265788 2025-08-14 10:53:19 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 23:23:01.775 +14:27:06.25 2025-08-02 07:39:21.003 20.4615 r-ZTF PSN ZTF25abeclqx ZTF N
265209 2025-08-07 10:13:29 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:23:01.779 +14:27:06.09 2025-08-01 11:00:31.680 20.69 w-P1 PSN PS25fzl Pan-STARRS 2025TNSTR3109....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21873 2025-08-26 22:00:26 ZTF_Bot1 J. Sollerman, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN IIb 0.042236 1 ZTF 2025TNSCR3384....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
21873 2025-08-24 06:09:33 P60 / SEDM 2700 SEDmRobot ZTF tns_2025tir_2025-08-24_06-09-32.841691_P60_SEDM_ZTF.ascii Object

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