RA/DEC (2000)
00:12:51.252 -22:51:47.46
3.21355166531 -22.8631843582
Type
SN II
Redshift
0.0535
Discovery ReportClassification Report
Related AstroNotes: 2025-278
Reporting Group
YSE
Discovering Data Source
Pan-STARRS
Discovery Date
2025-08-23 13:00:39.168
TNS AT
Y
Public
Y
Discovery Mag
19.41
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_2025vgm - 2025-09-02 01:59:45 VLT-UT1 / FORS2 (adH0cc)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-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_g
 ▌PS2_GPC2_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
21950 2025-09-02 01:59:45 VLT-UT1 / FORS2 900 service G. Csoernyei adH0cc tns_2025vgm_2025-09-02_01-59-45.288_VLT-UT1_FORS2_adH0cc.asci tns_2025vgm_2025-09-02_01-59-45.288_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-21 02:39:49 - 2025-08-29 00:57:35 2460908.61098 - 2460916.53999 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513658 2025-08-29 00:57:35 2460916.53999 19.191 0.116 19.84 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
513657 2025-08-21 02:39:49 2460908.61098 19.74 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-08-15 17:11:40 - 2025-08-15 17:11:40 2460903.216444 - 2460903.216444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515439 2025-08-15 17:11:40 2460903.216444 20.1 ABMag L-GOTO GOTO-S_GOTO-3 360 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-03 00:50:02 - 2025-09-03 00:50:02 2460921.534736 - 2460921.534736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515440 2025-09-03 00:50:02 2460921.534736 18.84 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
g-P1 PS2_GPC2 2025-08-23 13:00:39 - 2025-08-23 13:00:39 2460911.04212 - 2460911.04212 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511918 2025-08-23 13:00:39 2460911.04212 19.41 0.13 21 ABMag g-P1 PS2_GPC2 27 Robot
w-P1 PS2_GPC2 2025-08-27 12:46:47 - 2025-08-27 12:46:47 2460915.03249 - 2460915.03249 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516136 2025-08-27 12:46:47 2460915.03249 19.19 0.02 22 ABMag w-P1 PS2_GPC2 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
269534 2025-09-08 15:44:50 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:12:51.252 -22:51:47.46 2025-08-27 12:46:47.136 19.19 w-P1 PSN PS25gzo Pan-STARRS N
269231 2025-09-03 20:23:09 GOTO_bot I. Worssam,D. O'Neill,K. Ackley et al. GOTO GOTO 00:12:51.281 -22:51:47.48 2025-09-03 00:50:01.536 18.84 L-GOTO Other GOTO25gsw GOTO N
268339 2025-08-29 07:27:06 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:12:51.239 -22:51:47.50 2025-08-29 00:57:35.136 19.191 wide-ATLAS PSN ATLAS25kqy ATLAS N
267461 2025-08-24 06:24:13 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 00:12:51.243 -22:51:47.68 2025-08-23 13:00:39.168 19.41 g-P1 PSN PS25gzo Pan-STARRS 2025TNSTR3356....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
21950 2025-09-02 09:33:42 Geza Csornyei G. Csoernyei, B. Leibundgut, J. Spyromilio (ESO), S. Taubenberger (TUM / MPA), W. Hillebrandt (MPA), S. Blondin (CNRS, LAM / ESO) adH0cc SN II 0.0535 1 adH0cc The SN shows broad and weak P Cygni lines of H and He, indicative of a young Type II supernova. The redshift was estimated based on the narrow Halpha emission line seen in the extracted background spectrum. 2025TNSCR3526....1C
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
21950 2025-09-02 01:59:45 VLT-UT1 / FORS2 900 service G. Csoernyei adH0cc tns_2025vgm_2025-09-02_01-59-45.288_VLT-UT1_FORS2_adH0cc.asci tns_2025vgm_2025-09-02_01-59-45.288_VLT-UT1_FORS2_adH0cc.fits Object Quick-reduction spectrum

Comments

TNS
System

Mon, 09/08/2025 - 15:44

Object coordinates updated

Object coordinates updated according to AT-report 269534 of Group Pan-STARRS
Previous RA, DEC: 00:12:51.243, -22:51:47.68 (3.21351160746, -22.8632434044)
Updated RA, DEC: 00:12:51.252, -22:51:47.46 (3.21355166531, -22.8631843582)