RA/DEC (2000)
23:35:54.533 +47:04:35.32
353.977222042 +47.0764770777
Type
SN Ia
Redshift
0.043
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-14 08:27:22.996
TNS AT
Y
Public
Y
Discovery Mag
19.509
Filter
i-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025twl - 2025-08-18 09:11:50 P200 / NGPS (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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_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
21815 2025-08-18 09:11:50 P200 / NGPS Nicholas Earley Nicholas Earley ZTF tns_2025twl_2025-08-18_09-11-50_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-12 05:12:17 - 2025-08-16 04:20:12 2460899.71686 - 2460903.68069 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509155 2025-08-16 04:20:12 2460903.68069 18.548 0.097 19.3 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
509154 2025-08-12 05:12:17 2460899.71686 14.71 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2025-10-11 16:44:26 - 2025-10-11 17:31:44 2460960.19752 - 2460960.23037 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522938 2025-10-11 17:31:44 2460960.23037 19.9 ABMag Clear- LAST_LAST-Cam 400
522937 2025-10-11 16:44:26 2460960.19752 20.73 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-29 02:15:11 - 2025-08-29 02:15:11 2460916.593885 - 2460916.593885 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513622 2025-08-29 02:15:11 2460916.593885 17.5 0.03 ABMag L-GOTO GOTO-N_GOTO-2 360
i-P1 PS2_GPC2 2025-09-10 13:15:52 - 2025-09-10 13:15:52 2460929.05269 - 2460929.05269 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545267 2025-09-10 13:15:52 2460929.05269 18.52 0.06 20.7 ABMag i-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-08-05 04:54:27 - 2025-08-05 04:54:27 2460892.704479 - 2460892.704479 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513621 2025-08-05 04:54:27 2460892.704479 19.9 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-08-12 07:57:47 - 2025-08-14 08:27:23 2460899.831794 - 2460901.8523495 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508819 2025-08-14 08:27:23 2460901.8523495 19.509 0.216782 ABMag i-ZTF P48_ZTF-Cam
508818 2025-08-12 07:57:47 2460899.831794 19.6302 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-11 08:42:56 - 2025-08-14 08:57:59 2460898.8631481 - 2460901.8735995 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511243 2025-08-14 08:57:59 2460901.8735995 19.2246 0.146384 20.0822 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
511242 2025-08-11 08:42:56 2460898.8631481 19.7153 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-08-14 09:12:52 - 2025-08-14 09:12:52 2460901.8839352 - 2460901.8839352 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508820 2025-08-14 09:12:52 2460901.8839352 19.4096 0.145183 ABMag g-ZTF P48_ZTF-Cam
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
284033 2025-12-30 19:38:24 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:35:54.533 +47:04:35.32 2025-09-10 13:15:52.416 18.52 i-P1 PSN PS25klg Pan-STARRS N
272850 2025-10-11 19:47:21 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 23:35:54.525 +47:04:35.47 2025-10-11 17:31:43.968 19.9 Clear- PSN LAST N
268321 2025-08-29 06:55:09 GOTO_bot M. Pursiainen, G. Ramsay, K. Ackley et al. GOTO GOTO 23:35:54.522 +47:04:35.32 2025-08-29 02:15:11.232 17.5 L-GOTO Other GOTO25gnb GOTO N
267108 2025-08-22 18:14:35 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 23:35:54.531 +47:04:35.31 2025-08-14 08:57:58.997 19.2246 r-ZTF PSN ZTF25abioriw ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abioriw N
266001 2025-08-16 09:12:06 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:35:54.536 +47:04:35.41 2025-08-16 04:20:11.616 18.548 wide-ATLAS PSN ATLAS25jmz ATLAS N
265848 2025-08-14 19:09:13 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:35:54.541 +47:04:35.31 2025-08-14 08:27:22.996 19.509 i-ZTF PSN ZTF25abioriw ZTF 2025TNSTR3201....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21815 2025-08-18 19:25:46 ZTF_Bot1 A. Mehla, K. Das, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN Ia 0.043 1 ZTF 2025TNSCR3266....1M
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
21815 2025-08-18 09:11:50 P200 / NGPS Nicholas Earley Nicholas Earley ZTF tns_2025twl_2025-08-18_09-11-50_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Tue, 12/30/2025 - 19:38

Object coordinates updated

Object coordinates updated according to AT-report 284033 of Group Pan-STARRS
Previous RA, DEC: 23:35:54.531, +47:04:35.31 (353.9772112125, +47.076475175)
Updated RA, DEC: 23:35:54.533, +47:04:35.32 (353.977222042, +47.0764770777)

TNS
System

Fri, 08/22/2025 - 18:14

Object coordinates updated

Object coordinates updated according to AT-report 267108 of Group ZTF
Previous RA, DEC: 23:35:54.541, +47:04:35.31 (353.9772557, +47.076474)
Updated RA, DEC: 23:35:54.531, +47:04:35.31 (353.9772112125, +47.076475175)