RA/DEC (2000)
01:43:39.671 -08:27:10.93
25.9152959 -8.4530369
Type
SN Ia
Redshift
0.096741
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-09-21 08:33:17.997
TNS AT
Y
Public
Y
Host Name
SDSS J014340.13-082710.1
Host Redshift
0.09674081
Discovery Mag
19.6932
Filter
g-ZTF
Reporter/s
S. Jurado, F.E. Bauer, F. Forster, G. Pignata, A. Munoz-Arancibia, A. Mourao, 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, E. Pizarro, 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_2025yfx - 2025-09-27 07:58:27 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌P48_ZTF-Cam_g
   
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
22119 2025-09-27 07:58:27 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yfx_2025-09-27_07-58-27.395728_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-11-27 17:01:10 - 2025-09-28 22:02:27 2460642.20914 - 2460947.41837 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520622 2025-09-28 22:02:27 2460947.41837 18.7 ABMag Clear- LAST_LAST-Cam 400
520621 2024-11-27 17:01:10 2460642.20914 20.49 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-09-17 15:51:16 - 2025-09-23 13:54:40 2460936.160601 - 2460942.079628 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519434 2025-09-23 13:54:40 2460942.079628 19.34 0.11 ABMag L-GOTO GOTO-S_GOTO-3 180
519433 2025-09-17 15:51:16 2460936.160601 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-09-21 08:57:17 - 2025-09-24 05:27:25 2460939.87311 - 2460942.72737 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520075 2025-09-24 05:27:25 2460942.72737 19.045 0.149 19.32 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
520074 2025-09-21 08:57:17 2460939.87311 17.78 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-17 09:01:41 - 2025-09-21 08:33:18 2460935.876169 - 2460939.8564583 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519103 2025-09-21 08:33:18 2460939.8564583 19.6932 0.10781 20.5358 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
519102 2025-09-17 09:01:41 2460935.876169 20.3682 ABMag g-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
271630 2025-09-29 04:25:50 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 01:43:39.679 -08:27:10.88 2025-09-28 22:02:27.168 18.7 Clear- PSN LAST N
271361 2025-09-25 21:38:37 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 01:43:39.656 -08:27:11.49 2025-09-24 05:27:24.768 19.045 cyan-ATLAS PSN ATLAS25lxu ATLAS N
271092 2025-09-24 00:45:07 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 01:43:39.669 -08:27:11.56 2025-09-23 13:54:40.032 19.34 L-GOTO Other GOTO25how GOTO N
270920 2025-09-21 23:22:21 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 01:43:39.671 -08:27:10.93 2025-09-21 08:33:17.997 19.6932 g-ZTF PSN SDSS J014340.13-082710.1 ZTF25absfiyt ZTF Early SN candidate (g-rise > 0.17+-0.03 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/ZTF25absfiyt 2025TNSTR3789....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22119 2025-09-29 23:33:51 ZTF_Bot1 J. Johansson, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.096741 1 ZTF 2025TNSCR3919....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
22119 2025-09-27 07:58:27 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yfx_2025-09-27_07-58-27.395728_P60_SEDM_ZTF.ascii Object

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