RA/DEC (2000)
00:27:25.917 +20:17:28.13
6.85798696392 +20.2911459647
Type
SN IIn
Redshift
0.097
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-06-24 10:22:12.999
TNS AT
Y
Public
Y
Discovery Mag
19.3051
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025owx - 2025-07-20 09:07:15 Magellan-Clay / LDSS-3 (BTDG)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌P48_ZTF-Cam_r
 ▌PS1_GPC1_i
   
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
21886 2025-07-20 09:07:15 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar BTDG tns_2025owx_2025-07-20_09-07-15_Magellan-Clay_LDSS-3_BTDG.ascii Object Classification using NGSF match to IIn, redshift estimated using H-beta. Not corrected for telluric absorption and Galactic Extinction.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-07 00:43:38 - 2025-07-25 01:33:07 2460498.5303 - 2460881.56466 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504948 2025-07-25 01:33:07 2460881.56466 20.24 ABMag Clear- LAST_LAST-Cam 400
504947 2024-07-07 00:43:38 2460498.5303 21.83 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-06-22 04:18:41 - 2025-06-29 03:43:03 2460848.679639 - 2460855.654899 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499137 2025-06-29 03:43:03 2460855.654899 19.41 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
499136 2025-06-22 04:18:41 2460848.679639 19.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-P1 PS2_GPC2 2025-07-13 13:29:30 - 2025-07-13 13:29:30 2460870.06215 - 2460870.06215 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544195 2025-07-13 13:29:30 2460870.06215 19.5 0.23 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-06-09 11:23:55 - 2025-06-24 10:43:29 2460835.9749421 - 2460850.9468634 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498093 2025-06-24 10:43:29 2460850.9468634 19.3999 0.121365 20.3941 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
498092 2025-06-24 10:22:13 2460850.9320949 19.3051 0.109556 20.3425 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
498091 2025-06-09 11:23:55 2460835.9749421 20.0397 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
i-P1 PS1_GPC1 2025-07-26 13:00:19 - 2025-07-26 13:00:19 2460883.04189 - 2460883.04189 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505464 2025-07-26 13:00:19 2460883.04189 19.89 0.07 20.7 ABMag i-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
283181 2025-12-28 20:30:31 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:27:25.917 +20:17:28.13 2025-07-13 13:29:29.760 19.5 i-P1 PSN PS25fjl Pan-STARRS N
263995 2025-07-27 12:07:12 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 00:27:25.914 +20:17:28.03 2025-07-26 13:00:19.296 19.89 i-P1 PSN PS25fjl Pan-STARRS N
263726 2025-07-25 18:59:20 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 00:27:25.944 +20:17:27.73 2025-07-25 01:33:06.624 20.24 Clear- PSN LAST N
260473 2025-06-29 06:48:03 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 00:27:25.971 +20:17:28.05 2025-06-29 03:43:03.360 19.41 L-GOTO Other GOTO25ell GOTO N
260000 2025-06-25 13:40:21 ALeRCE A. Munoz-Arancibia,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 00:27:25.920 +20:17:28.26 2025-06-24 10:22:12.999 19.3051 r-ZTF PSN ZTF25aaxdudt ZTF Early SN candidate (r-rise > 0.08+-0.01 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aaxdudt 2025TNSTR2391....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21886 2025-08-27 15:53:50 Harsh Kumar Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA), Edo Berger (Harvard CfA) BTDG SN IIn 0.097 1 BTDG 2025TNSCR3398....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
21886 2025-07-20 09:07:15 Magellan-Clay / LDSS-3 Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA) Harsh Kumar BTDG tns_2025owx_2025-07-20_09-07-15_Magellan-Clay_LDSS-3_BTDG.ascii Object Classification using NGSF match to IIn, redshift estimated using H-beta. Not corrected for telluric absorption and Galactic Extinction.

Comments

TNS
System

Sun, 12/28/2025 - 20:30

Object coordinates updated

Object coordinates updated according to AT-report 283181 of Group Pan-STARRS
Previous RA, DEC: 00:27:25.914, +20:17:28.03 (6.85797336373, +20.2911194615)
Updated RA, DEC: 00:27:25.917, +20:17:28.13 (6.85798696392, +20.2911459647)

TNS
System

Sun, 07/27/2025 - 12:07

Object coordinates updated

Object coordinates updated according to AT-report 263995 of Group Pan-STARRS
Previous RA, DEC: 00:27:25.920, +20:17:28.26 (6.8580008500002, +20.2911827)
Updated RA, DEC: 00:27:25.914, +20:17:28.03 (6.85797336373, +20.2911194615)