RA/DEC (2000)
02:40:44.211 +10:08:51.36
40.1842106854 +10.1476001059
Type
SN II
Redshift
0.026755
Discovery ReportClassification Report
Related AstroNotes: 2025-249
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-05 10:20:46.003
TNS AT
Y
Public
Y
Discovery Mag
18.8493
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025tgl - 2025-08-17 08:44:38 P60 / SEDM (ZTF)z=
 ▌SN_2025tgl - 2025-08-10 07:53:56 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌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
21817 2025-08-17 08:44:38 P60 / SEDM 2700 SEDmRobot ZTF tns_2025tgl_2025-08-17_08-44-37.650167_P60_SEDM_ZTF.ascii Object
21740 2025-08-10 07:53:56 ESO-NTT / EFOSC2-NTT 1200 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025tgl_2025-08-10_07-53-56_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tgl_2025-08-10_07-53-56_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-06 03:08:59 - 2025-08-06 03:08:59 2460893.63124 - 2460893.63124 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507665 2025-08-06 03:08:59 2460893.63124 18.051 0.084 19 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2024-11-04 20:16:14 - 2025-08-27 00:04:41 2460619.34461 - 2460914.50325 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512605 2025-08-27 00:04:41 2460914.50325 18.41 ABMag Clear- LAST_LAST-Cam 360
512604 2024-11-04 20:16:14 2460619.34461 21.65 ABMag Clear- LAST_LAST-Cam 5540 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-31 05:20:28 - 2025-08-06 03:41:27 2460887.722548 - 2460893.653779 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507621 2025-08-06 03:41:27 2460893.653779 18.5 0.15 ABMag L-GOTO GOTO-N_GOTO-2 180
507620 2025-07-31 05:20:28 2460887.722548 19.7 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-07-31 09:18:14 - 2025-07-31 09:18:14 2460887.887662 - 2460887.887662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507514 2025-07-31 09:18:14 2460887.887662 20.1358 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-16 10:15:26 - 2025-08-05 10:20:46 2460872.9273843 - 2460892.931088 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507515 2025-08-05 10:20:46 2460892.931088 18.8493 0.074266 ABMag r-ZTF P48_ZTF-Cam
507936 2025-08-05 10:20:46 2460892.931088 18.8493 0.074266 20.4776 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
507935 2025-07-16 10:15:26 2460872.9273843 18.576 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-08-05 11:17:53 - 2025-08-05 11:17:53 2460892.9707523 - 2460892.9707523 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507516 2025-08-05 11:17:53 2460892.9707523 18.6245 0.0858478 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-05 12:29:22 - 2025-08-05 12:29:22 2460893.02039 - 2460893.02039 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507664 2025-08-05 12:29:22 2460893.02039 19.14 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-08-27 12:46:01 - 2025-08-27 12:46:01 2460915.03196 - 2460915.03196 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516111 2025-08-27 12:46:01 2460915.03196 18.14 0.01 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
269524 2025-09-08 15:28:05 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 02:40:44.211 +10:08:51.36 2025-08-27 12:46:01.344 18.14 w-P1 PSN PS25hil Pan-STARRS N
267787 2025-08-27 02:41:51 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 02:40:44.207 +10:08:51.46 2025-08-27 00:04:40.800 18.41 Clear- PSN LAST N
265331 2025-08-09 18:15:38 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 02:40:44.203 +10:08:51.37 2025-08-05 10:20:46.003 18.8493 r-ZTF PSN ZTF25abhkdne ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abhkdne N
265158 2025-08-06 15:58:23 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:40:44.195 +10:08:51.37 2025-08-06 03:08:59.136 18.051 wide-ATLAS PSN ATLAS25jcp ATLAS N
265129 2025-08-06 06:58:36 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 02:40:44.220 +10:08:50.84 2025-08-06 03:41:26.592 18.5 L-GOTO Other GOTO25fro GOTO N
265074 2025-08-05 12:12:57 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 02:40:44.198 +10:08:51.26 2025-08-05 10:20:46.003 18.8493 r-ZTF PSN ZTF25abhkdne ZTF 2025TNSTR3086....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21817 2025-08-18 19:31:48 ZTF_Bot1 J. Sollerman, K. Das, A. Mehla, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.026755 1 ZTF 2025TNSCR3270....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
21817 2025-08-17 08:44:38 P60 / SEDM 2700 SEDmRobot ZTF tns_2025tgl_2025-08-17_08-44-37.650167_P60_SEDM_ZTF.ascii Object
21740 2025-08-10 12:42:07 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ Other 0.027 1 ePESSTO+ 2025TNSCR3138....1v
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
21740 2025-08-10 07:53:56 ESO-NTT / EFOSC2-NTT 1200 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025tgl_2025-08-10_07-53-56_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tgl_2025-08-10_07-53-56_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Mon, 09/08/2025 - 15:28

Object coordinates updated

Object coordinates updated according to AT-report 269524 of Group Pan-STARRS
Previous RA, DEC: 02:40:44.203, +10:08:51.37 (40.184177838462, +10.147603207692)
Updated RA, DEC: 02:40:44.211, +10:08:51.36 (40.1842106854, +10.1476001059)

TNS
System

Sat, 08/09/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 265331 of Group ZTF
Previous RA, DEC: 02:40:44.198, +10:08:51.26 (40.1841589, +10.1475736)
Updated RA, DEC: 02:40:44.203, +10:08:51.37 (40.184177838462, +10.147603207692)