RA/DEC (2000)
20:47:42.009 +20:15:24.15
311.92503847778 +20.256708622222
Type
SN Ia
Redshift
0.042
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-14 04:51:06.001
TNS AT
Y
Public
Y
Discovery Mag
20.1239
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_2025tzu - 2025-08-19 08:29:24 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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
   
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
21825 2025-08-19 08:29:24 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tzu_2025-08-19_08-29-24.155578_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-15 00:59:16 - 2025-08-15 00:59:16 2460902.54116 - 2460902.54116 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510492 2025-08-15 00:59:16 2460902.54116 19.29 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-08-17 22:08:05 - 2025-08-22 21:43:45 2460905.422284 - 2460910.405383 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511332 2025-08-22 21:43:45 2460910.405383 18.19 0.14 ABMag L-GOTO GOTO-N_GOTO-1 180
511331 2025-08-17 22:08:05 2460905.422284 18.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-11 08:39:05 - 2025-08-16 07:06:32 2460898.8604745 - 2460903.7962037 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509150 2025-08-16 07:06:32 2460903.7962037 19.4954 0.156307 ABMag r-ZTF P48_ZTF-Cam
509149 2025-08-14 04:51:06 2460901.7021528 20.1239 0.0934216 ABMag r-ZTF P48_ZTF-Cam
509148 2025-08-11 08:39:05 2460898.8604745 20.0175 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-14 06:07:32 - 2025-08-16 05:29:02 2460901.7552315 - 2460903.7284954 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513903 2025-08-16 05:29:02 2460903.7284954 19.4931 0.122222 20.946 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
513902 2025-08-14 06:07:32 2460901.7552315 20.1518 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-18 10:44:10 - 2025-08-18 10:44:10 2460905.94734 - 2460905.94734 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510493 2025-08-18 10:44:10 2460905.94734 18.864 0.096 20.45 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 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
268459 2025-08-29 18:18:38 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 20:47:42.009 +20:15:24.15 2025-08-16 05:29:02.003 19.4931 g-ZTF PSN ZTF25abiwxpf ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abiwxpf N
267135 2025-08-22 22:07:06 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:47:42.023 +20:15:24.48 2025-08-22 21:43:44.832 18.19 L-GOTO Other GOTO25gdk GOTO N
266710 2025-08-20 13:01:24 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:47:42.014 +20:15:24.03 2025-08-18 10:44:10.176 18.864 orange-ATLAS PSN ATLAS25jvr ATLAS N
265999 2025-08-16 08:35:25 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:47:42.012 +20:15:24.12 2025-08-14 04:51:06.001 20.1239 r-ZTF PSN ZTF25abiwxpf ZTF 2025TNSTR3231....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
21825 2025-08-19 09:21:04 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 0.042 1 ZTF 2025TNSCR3284....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
21825 2025-08-19 08:29:24 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tzu_2025-08-19_08-29-24.155578_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 08/29/2025 - 18:18

Object coordinates updated

Object coordinates updated according to AT-report 268459 of Group ZTF
Previous RA, DEC: 20:47:42.012, +20:15:24.12 (311.9250487, +20.2566998)
Updated RA, DEC: 20:47:42.009, +20:15:24.15 (311.92503847778, +20.256708622222)