RA/DEC (2000)
20:59:40.834 +23:08:05.47
314.9201417 +23.1348518
Type
SN II
Redshift
0.08
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-05-09 11:53:29.999
TNS AT
Y
Public
Y
Host Name
SDSS J205940.88+230805.3
Discovery Mag
19.3278
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, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, 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

Spectra

 SN_2025kfn - 2025-05-10 12:54:17 UH88 / SNIFS (SCAT)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show N II 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 I] at z=vexp= km/s
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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
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 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
21014 2025-05-10 12:54:17 UH88 / SNIFS 1800 Atlas Syncatto Atlas Syncatto SCAT tns_2025kfn_2025-05-10_12-54-17_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-05-09 11:53:30 - 2025-05-09 11:53:30 2460804.9954861 - 2460804.9954861 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487581 2025-05-09 11:53:30 2460804.9954861 19.3278 0.172488 19.786 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-05-03 11:55:49 - 2025-05-03 11:55:49 2460798.9970949 - 2460798.9970949 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487580 2025-05-03 11:55:49 2460798.9970949 19.3962 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
254639 2025-05-09 16:49:25 ALeRCE A. Munoz-Arancibia,G. Pignata,F.E. Bauer et al. ALeRCE ZTF 20:59:40.834 +23:08:05.47 2025-05-09 11:53:29.999 19.3278 r-ZTF PSN SDSS J205940.88+230805.3 ZTF25aapvkmi ZTF Early SN candidate (r-rise > 0.21+-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/ZTF25aapvkmi 2025TNSTR1723....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
21014 2025-05-10 20:35:18 Atlas Syncatto Atlas Syncatto (IfA, UH Hilo) on behalf of the SCAT team. SCAT SN II 0.08 1 SCAT 2025TNSCR1746....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
21014 2025-05-10 12:54:17 UH88 / SNIFS 1800 Atlas Syncatto Atlas Syncatto SCAT tns_2025kfn_2025-05-10_12-54-17_UH88_SNIFS_SCAT.dat Object

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