RA/DEC (2000)
03:02:25.402 -17:27:13.68
45.6058428 -17.4538003
Type
SN Ia
Redshift
0.0807
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-21 21:32:56.832
TNS AT
Y
Public
Y
Discovery Mag
18.918
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025aeng - 2025-12-10 06:28:47 Lick-3m / KAST (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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Show N II at z=vexp= km/s
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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

 GOTO-S_GOTO-3_L
 GOTO-N_GOTO-2_L
 ATLAS-STH_ATLAS-03_orange
 P48_ZTF-Cam_r
   
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
22725 2025-12-10 06:28:47 Lick-3m / KAST Natalie LeBaron, Eliza Claire Diggins Natalie LeBaron ZTF tns_2025aeng_2025-12-10_06-28-47_Lick-3m_KAST_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-11-09 12:21:57 - 2025-11-09 12:21:57 2460989.015238 - 2460989.015238 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533617 2025-11-09 12:21:57 2460989.015238 20.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-11-14 23:45:55 - 2025-11-14 23:45:55 2460994.490225 - 2460994.490225 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533618 2025-11-14 23:45:55 2460994.490225 19.88 0.2 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-11-18 23:13:37 - 2025-11-21 21:32:57 2460998.46779 - 2461001.39788 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533139 2025-11-21 21:32:57 2461001.39788 18.918 0.145 19.58 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
533138 2025-11-18 23:13:37 2460998.46779 19.03 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-12 08:21:39 - 2025-11-24 07:32:37 2460991.8483681 - 2461003.8143171 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533493 2025-11-24 07:32:37 2461003.8143171 18.6857 0.0796613 20.3045 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
533492 2025-11-12 08:21:39 2460991.8483681 18.5463 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
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
278185 2025-11-25 10:13:34 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 03:02:25.425 -17:27:14.01 2025-11-14 23:45:55.008 19.88 L-GOTO Other GOTO25knd GOTO N
278119 2025-11-24 17:20:08 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 03:02:25.402 -17:27:13.68 2025-11-24 07:32:36.997 18.6857 r-ZTF PSN WISEA J030225.38-172713.7 ZTF25aceilra ZTF Early SN candidate (r-rise > 0.11+-0.01 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aceilra N
277959 2025-11-23 09:19:02 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 03:02:25.387 -17:27:13.51 2025-11-21 21:32:56.832 18.918 orange-ATLAS PSN ATLAS25oqt ATLAS 2025TNSTR4685....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22724 2026-01-02 21:50:54 ZTF_Bot1 N. LeBaron, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.0807 1 ZTF 2026TNSCR..16....1L
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
22725 2025-12-10 06:28:47 Lick-3m / KAST Natalie LeBaron, Eliza Claire Diggins Natalie LeBaron ZTF tns_2025aeng_2025-12-10_06-28-47_Lick-3m_KAST_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 278119 of Group ZTF
Previous RA, DEC: 03:02:25.387, -17:27:13.51 (45.6057780952, -17.4537538095)
Updated RA, DEC: 03:02:25.402, -17:27:13.68 (45.6058428, -17.4538003)