RA/DEC (2000)
08:53:05.183 -16:33:51.83
133.2715939 -16.5643968
Type
SN Ia
Redshift
0.063
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-26 11:31:48.996
TNS AT
Y
Public
Y
Discovery Mag
18.3744
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2025acau - 2025-11-02 10:18:43 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
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Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
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Show O VI at z=vexp= km/s
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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
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Show [Ca II] at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-STH_ATLAS-03_cyan
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_cyan
   
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
22345 2025-11-02 10:18:43 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025acau_2025-11-02_10-18-43.364885_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-10-29 01:41:47 - 2025-10-29 01:41:47 2460977.57068 - 2460977.57068 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528638 2025-10-29 01:41:47 2460977.57068 18.195 0.104 19.36 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-10-24 12:25:29 - 2025-12-01 10:00:06 2460973.0176968 - 2461010.9167361 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535603 2025-12-01 10:00:06 2461010.9167361 18.2988 0.141231 ABMag r-ZTF P48_ZTF-Cam
535602 2025-11-02 12:32:01 2460982.0222338 18.0115 0.085609 ABMag r-ZTF P48_ZTF-Cam
528100 2025-10-26 11:31:49 2460974.9804282 18.3744 0.115092 ABMag r-ZTF P48_ZTF-Cam
528099 2025-10-24 12:25:29 2460973.0176968 20.1897 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-31 12:01:39 - 2025-11-01 11:03:28 2460980.0011458 - 2460980.9607407 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535601 2025-11-01 11:03:28 2460980.9607407 20.178 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
528101 2025-10-31 12:01:39 2460980.0011458 17.7939 0.0568563 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-25 14:31:06 - 2025-10-25 14:31:06 2460974.10493 - 2460974.10493 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528637 2025-10-25 14:31:06 2460974.10493 19.44 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
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
279157 2025-12-01 10:30:40 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 08:53:05.183 -16:33:51.83 2025-11-02 12:32:01.000 18.0115 r-ZTF PSN ZTF25acfqlwu ZTF N
275576 2025-11-03 14:43:09 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 08:53:05.071 -16:33:50.70 2025-10-29 01:41:46.752 18.195 cyan-ATLAS PSN ATLAS25nte ATLAS N
275351 2025-10-31 12:20:45 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 08:53:05.110 -16:33:51.42 2025-10-26 11:31:48.996 18.3744 r-ZTF PSN ZTF25aamisyt ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR4387....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
22345 2025-11-02 11:11:43 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 0.063 1 ZTF 2025TNSCR4416....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
22345 2025-11-02 10:18:43 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025acau_2025-11-02_10-18-43.364885_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 279157 of Group ZTF
Previous RA, DEC: 08:53:05.110, -16:33:51.42 (133.2712916, -16.5642841)
Updated RA, DEC: 08:53:05.183, -16:33:51.83 (133.2715939, -16.5643968)