RA/DEC (2000)
18:57:53.619 +49:55:47.03
284.47341382222 +49.929729633333
Type
SN Ia
Redshift
0.095302
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-14 04:19:16.000
TNS AT
Y
Public
Y
Discovery Mag
19.6961
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_2025tzm - 2025-08-23 06:21:32 FTN / FLOYDS-N (StarDestroyers)z=
▌Show H at z=vexp= km/s
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▌Show N II at z=vexp= km/s
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▌Show N V at z=vexp= km/s
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▌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
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▌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
 ▌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
21889 2025-08-23 06:21:32 FTN / FLOYDS-N 3600 Moira Andrews Moira Andrews StarDestroyers tns_2025tzm_2025-08-23_06-21-32_FTN_FLOYDS-N_StarDestroyers.txt tns_2025tzm_2025-08-23_06-21-32_FTN_FLOYDS-N_StarDestroyers.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-16 01:12:38 - 2025-08-16 01:12:38 2460903.55044 - 2460903.55044 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510512 2025-08-16 01:12:38 2460903.55044 19.24 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-11 05:22:25 - 2025-08-14 04:19:16 2460898.7239005 - 2460901.6800463 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509118 2025-08-14 04:19:16 2460901.6800463 19.6961 0.173776 ABMag r-ZTF P48_ZTF-Cam
512835 2025-08-14 04:19:16 2460901.6800463 19.6961 0.173776 20.6039 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
509117 2025-08-11 05:22:25 2460898.7239005 20.0556 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
512834 2025-08-11 05:22:25 2460898.7239005 20.0556 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-08-16 04:51:32 - 2025-08-16 04:51:32 2460903.7024537 - 2460903.7024537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509119 2025-08-16 04:51:32 2460903.7024537 19.1623 0.106266 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-19 09:00:41 - 2025-08-19 09:00:41 2460906.87547 - 2460906.87547 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510513 2025-08-19 09:00:41 2460906.87547 18.91 0.065 20.35 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
267893 2025-08-27 18:16:15 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 18:57:53.619 +49:55:47.03 2025-08-14 04:19:16.000 19.6961 r-ZTF PSN ZTF18abdnihj ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF18abdnihj N
266720 2025-08-20 13:04:00 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:57:53.616 +49:55:47.00 2025-08-19 09:00:40.608 18.91 orange-ATLAS PSN ATLAS25jvy ATLAS N
265988 2025-08-16 06:12:05 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 18:57:53.619 +49:55:46.82 2025-08-14 04:19:16.000 19.6961 r-ZTF PSN ZTF18abdnihj 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
21889 2025-08-27 17:27:02 Sara Faris Sara Faris, Iair Arcavi (TAU), and Moira Andrews (Las Cumbres). StarDestroyers SN Ia 0.095302 1 StarDestroyers We classify this transient as an SN Ia, based on NGSF, which finds the best fit to SN Ia: 2009Y -6 days; 1999aa -6/-10 days. 2025TNSCR3405....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
21889 2025-08-23 06:21:32 FTN / FLOYDS-N 3600 Moira Andrews Moira Andrews StarDestroyers tns_2025tzm_2025-08-23_06-21-32_FTN_FLOYDS-N_StarDestroyers.txt tns_2025tzm_2025-08-23_06-21-32_FTN_FLOYDS-N_StarDestroyers.fits Object

Comments

TNS
System

Wed, 08/27/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 267893 of Group ZTF
Previous RA, DEC: 18:57:53.619, +49:55:46.82 (284.473413, +49.9296725)
Updated RA, DEC: 18:57:53.619, +49:55:47.03 (284.47341382222, +49.929729633333)