RA/DEC (2000)
17:56:46.455 +43:12:14.67
269.1935638 +43.204074075
Type
SN Ia
Redshift
0.0736
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-20 03:25:10.997
TNS AT
Y
Public
Y
Discovery Mag
19.2537
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025yaa - 2025-10-09 03:55:08 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
 ▌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
22218 2025-10-09 03:55:08 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yaa_2025-10-09_03-55-07.537080_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-21 22:43:04 - 2025-09-21 22:43:04 2460940.44657 - 2460940.44657 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519278 2025-09-21 22:43:04 2460940.44657 19.63 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-14 04:50:34 - 2025-09-20 05:23:33 2460932.7017824 - 2460938.7246875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518608 2025-09-20 05:23:33 2460938.7246875 19.3467 0.118764 ABMag r-ZTF P48_ZTF-Cam
518606 2025-09-14 04:50:34 2460932.7017824 20.4507 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-14 03:48:12 - 2025-09-20 03:25:11 2460932.6584722 - 2460938.6424884 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518607 2025-09-20 03:25:11 2460938.6424884 19.2537 0.115981 ABMag g-ZTF P48_ZTF-Cam
521940 2025-09-20 03:25:11 2460938.6424884 19.2537 0.115981 20.6609 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
521939 2025-09-14 03:48:12 2460932.6584722 20.7917 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-23 06:14:18 - 2025-09-23 06:14:18 2460941.75993 - 2460941.75993 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519279 2025-09-23 06:14:18 2460941.75993 18.903 0.124 19.53 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 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
272351 2025-10-02 18:15:26 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 17:56:46.455 +43:12:14.67 2025-09-20 03:25:10.998 19.2537 g-ZTF PSN ZTF25absblvn ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25absblvn N
271003 2025-09-23 08:49:31 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 17:56:46.467 +43:12:14.63 2025-09-23 06:14:17.952 18.903 orange-ATLAS PSN ATLAS25lvn ATLAS N
270716 2025-09-20 07:30:15 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 17:56:46.450 +43:12:14.73 2025-09-20 03:25:10.997 19.2537 g-ZTF PSN ZTF25absblvn ZTF 2025TNSTR3783....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
22218 2025-10-14 22:48:20 ZTF_Bot1 J. Johansson, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.0736 1 ZTF 2025TNSCR4122....1J
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
22218 2025-10-09 03:55:08 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yaa_2025-10-09_03-55-07.537080_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 10/02/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 272351 of Group ZTF
Previous RA, DEC: 17:56:46.450, +43:12:14.73 (269.1935424, +43.2040928)
Updated RA, DEC: 17:56:46.455, +43:12:14.67 (269.1935638, +43.204074075)