RA/DEC (2000)
08:03:20.986 +66:02:55.91
120.83744015556 +66.048864
Type
SN Ia
Redshift
0.0391
Discovery ReportClassification Report
Related AstroNotes: 2025-124
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-03-20 08:44:09.004
TNS AT
Y
Public
Y
Host Name
SDSS J080321.23+660256.0
Discovery Mag
19.5675
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025fas - 2025-03-26 08:12:47 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

 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_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
20634 2025-03-26 08:12:47 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025fas_2025-03-26_08-12-47.400453_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-03-10 23:48:12 - 2025-04-04 21:29:04 2460745.491796 - 2460770.395181 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480854 2025-04-04 21:29:04 2460770.395181 17.42 0.04 ABMag L-GOTO GOTO-N_GOTO-1 180
480853 2025-03-10 23:48:12 2460745.491796 19 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-17 06:19:02 - 2025-03-20 08:44:09 2460751.7632176 - 2460754.8639931 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477270 2025-03-20 08:44:09 2460754.8639931 19.5675 0.157969 19.8999 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
481298 2025-03-20 08:44:09 2460754.8639931 19.5675 0.157969 19.8999 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
481297 2025-03-17 06:19:02 2460751.7632176 20.0323 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-03-20 06:44:47 - 2025-03-20 06:44:47 2460754.7810995 - 2460754.7810995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477269 2025-03-20 06:44:47 2460754.7810995 20.0463 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-19 09:54:48 - 2025-03-19 09:54:48 2460753.91306 - 2460753.91306 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477383 2025-03-19 09:54:48 2460753.91306 18.11 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-03-21 08:20:17 - 2025-03-21 08:20:17 2460755.84742 - 2460755.84742 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477384 2025-03-21 08:20:17 2460755.84742 19.169 0.188 19.28 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
251186 2025-04-07 18:16:29 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 08:03:20.986 +66:02:55.91 2025-03-20 08:44:09.004 19.5675 r-ZTF PSN ZTF25aajffqa ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aajffqa N
250967 2025-04-05 07:48:54 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 08:03:20.979 +66:02:55.69 2025-04-04 21:29:03.552 17.42 L-GOTO Other GOTO25bqc GOTO N
249137 2025-03-21 13:49:22 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 08:03:20.948 +66:02:56.09 2025-03-21 08:20:17.088 19.169 cyan-ATLAS PSN ATLAS25cvi ATLAS N
249077 2025-03-20 17:13:13 ALeRCE A. Munoz-Arancibia,G. Pignata,F.E. Bauer et al. ALeRCE ZTF 08:03:20.987 +66:02:55.91 2025-03-20 08:44:09.004 19.5675 r-ZTF PSN SDSS J080321.23+660256.0 ZTF25aajffqa ZTF Early SN candidate (r-rise > 0.15+-0.05 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/ZTF25aajffqa 2025TNSTR1058....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20634 2025-03-26 08:55:55 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 0.0391 1 ZTF 2025TNSCR1161....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
20634 2025-03-26 08:12:47 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025fas_2025-03-26_08-12-47.400453_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 04/07/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 251186 of Group ZTF
Previous RA, DEC: 08:03:20.987, +66:02:55.91 (120.8374439, +66.0488629)
Updated RA, DEC: 08:03:20.986, +66:02:55.91 (120.83744015556, +66.048864)