RA/DEC (2000)
20:57:38.988 +13:11:57.42
314.4124501 +13.1992843
Type
SN I
Redshift
0.0275
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-09-20 06:00:35.001
TNS AT
Y
Public
Y
Host Name
WISEA J205738.79+131156.3
Discovery Mag
20.1166
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_2025yeu - 2025-10-26 05:18:37 P200 / NGPS (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
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌P48_ZTF-Cam_r
 ▌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
22438 2025-10-26 05:18:37 P200 / NGPS Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025yeu_2025-10-26_05-18-37_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-22 23:01:42 - 2025-09-22 23:01:42 2460941.45951 - 2460941.45951 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519277 2025-09-22 23:01:42 2460941.45951 19.139 0.1 19.65 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-S_GOTO-3 2025-09-18 10:16:49 - 2025-09-20 11:29:21 2460936.928341 - 2460938.978715 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519585 2025-09-20 11:29:21 2460938.978715 19.64 0.2 ABMag L-GOTO GOTO-S_GOTO-3 180
519584 2025-09-18 10:16:49 2460936.928341 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-09-21 02:29:32 - 2025-09-21 02:29:32 2460939.60384 - 2460939.60384 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519276 2025-09-21 02:29:32 2460939.60384 18.94 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-20 04:42:16 - 2025-09-20 04:42:16 2460938.6960185 - 2460938.6960185 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518973 2025-09-20 04:42:16 2460938.6960185 20.6417 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-09-20 06:00:35 - 2025-09-20 06:00:35 2460938.7504051 - 2460938.7504051 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518974 2025-09-20 06:00:35 2460938.7504051 20.1166 0.199418 20.6929 ABMag g-ZTF P48_ZTF-Cam 30 Robot 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
271159 2025-09-24 09:10:52 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 20:57:39.000 +13:11:58.36 2025-09-20 11:29:21.408 19.64 L-GOTO Other GOTO25hmm GOTO N
271002 2025-09-23 08:47:22 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:57:38.970 +13:11:57.94 2025-09-22 23:01:41.664 19.139 wide-ATLAS PSN ATLAS25lvm ATLAS N
270879 2025-09-21 15:29:43 ALeRCE S. Jurado, F.E. Bauer, F. Forster et al. ALeRCE ZTF 20:57:38.988 +13:11:57.42 2025-09-20 06:00:35.001 20.1166 g-ZTF PSN WISEA J205738.79+131156.3 ZTF25absdfgk ZTF SN candidate 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/ZTF25absdfgk 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
22437 2025-11-21 18:07:24 ZTF_Bot1 J. Sollerman, K. Das, J. Castaneda Jaimes, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN I 0.0275 1 ZTF 2025TNSCR4674....1S
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
22438 2025-10-26 05:18:37 P200 / NGPS Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025yeu_2025-10-26_05-18-37_P200_NGPS_ZTF.ascii Object

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