RA/DEC (2000)
21:09:37.766 +09:47:29.98
317.40735897 +9.79166206894
Type
SN Ia
Redshift
0.071
Discovery ReportClassification Report
Reporting Group
YSE
Discovering Data Source
Pan-STARRS
Discovery Date
2025-09-28 08:18:16.128
TNS AT
Y
Public
Y
Discovery Mag
19.94
Filter
g-P1
Reporter/s
D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello, Z. Ansari, N. Arendse, C. Gall, C. Grillo, S. H. Bruun, C. Hede, J. Hjorth, L. Izzo, H. Korhonen, S. Raimundo, D. Kodi Ramanah, A. Sarangi, R. Wojtak, H. Pfister (DARK, U Copenhagen), K. Auchettl (DARK, UC Santa Cruz, U Melbourne), K. C. Chambers, M. E. Huber, E. A. Magnier, T. J. L. de Boer, J. R. Fairlamb, C. C. Lin, R. J. Wainscoat, T. Lowe, G. Paek, A. S. B. Schultz, P. Minguez (IfA, Hawaii), A. Engel, A. Gagliano, G. Narayan, M. Soraisam (Illinois), Q. Wang (JHU), A. Rest (JHU, STScI), S. J. Smartt, K. W. Smith (Oxford / QUB), C. R. Angus (QUB), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh (Northwestern), M. Drout (U Toronto), D. A. Coulter, G. Dimitriadis, R. J. Foley, T. Hung, C. D. Kilpatrick, C. Rojas-Bravo, M. R. Siebert (UC Santa Cruz), E. Ramirez-Ruiz (UC Santa Cruz, DARK)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ywi - 2025-10-07 02:33:33 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
▌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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌PS1_GPC1_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
22167 2025-10-07 02:33:33 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025ywi_2025-10-07_02-33-33.146391_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-29 00:28:22 - 2025-09-29 00:28:22 2460947.5197 - 2460947.5197 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520925 2025-09-29 00:28:22 2460947.5197 19.504 0.103 20 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-09-28 02:15:02 - 2025-09-28 02:15:02 2460946.59377 - 2460946.59377 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520924 2025-09-28 02:15:02 2460946.59377 18.98 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-09-27 20:33:21 - 2025-09-28 00:42:01 2460946.356489 - 2460946.529181 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521183 2025-09-28 00:42:01 2460946.529181 19.63 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
521182 2025-09-27 20:33:21 2460946.356489 19.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-17 05:50:57 - 2025-10-06 04:51:27 2460935.7437153 - 2460954.7023958 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522394 2025-10-06 04:51:27 2460954.7023958 18.9226 0.126587 ABMag r-ZTF P48_ZTF-Cam
522393 2025-10-06 04:21:26 2460954.6815509 18.8753 0.101375 ABMag r-ZTF P48_ZTF-Cam
522392 2025-09-17 05:50:57 2460935.7437153 19.5595 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-P1 PS1_GPC1 2025-09-28 08:18:16 - 2025-09-28 08:18:16 2460946.84602 - 2460946.84602 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520801 2025-09-28 08:18:16 2460946.84602 19.94 0.19 21 ABMag g-P1 PS1_GPC1 27 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
272563 2025-10-06 06:11:53 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:09:37.766 +09:47:29.94 2025-10-06 04:21:25.997 18.8753 r-ZTF PSN ZTF25abvvbpv ZTF N
271910 2025-09-30 20:44:02 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 21:09:37.807 +09:47:29.55 2025-09-28 00:42:01.152 19.63 L-GOTO Other GOTO25ibz GOTO N
271785 2025-09-30 09:18:52 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 21:09:37.770 +09:47:29.97 2025-09-29 00:28:22.080 19.504 wide-ATLAS PSN ATLAS25mel ATLAS N
271731 2025-09-29 17:27:25 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 21:09:37.766 +09:47:29.98 2025-09-28 08:18:16.128 19.94 g-P1 PSN PS25hrk Pan-STARRS 2025TNSTR3914....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22167 2025-10-07 03:25:48 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.071 1 ZTF 2025TNSCR4036....1F
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
22167 2025-10-07 02:33:33 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025ywi_2025-10-07_02-33-33.146391_P60_SEDM_ZTF.ascii Object

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