RA/DEC (2000)
22:58:25.842 +26:38:19.66
344.6076763 +26.6387942
Type
SN Ia
Redshift
0.023857
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2020-10-27 03:34:56.997
TNS AT
Y
Public
Y
Discovery Mag
19.1161
Filter
i-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2020afiv - 2025-12-08 03:26:38 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
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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
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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
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
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_i
 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
22527 2025-12-08 03:26:38 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2020afiv_2025-12-08_03-26-37.709777_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-ZTF P48_ZTF-Cam 2020-10-27 03:34:57 - 2020-10-27 03:34:57 2459149.6492708 - 2459149.6492708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536201 2020-10-27 03:34:57 2459149.6492708 19.1161 0.172953 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2020-10-27 02:35:28 - 2025-12-06 03:42:03 2459149.607963 - 2461015.6542014 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536202 2025-12-06 03:42:03 2461015.6542014 18.301 0.0842682 ABMag r-ZTF P48_ZTF-Cam
536200 2020-10-27 02:35:28 2459149.607963 19.3172 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
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
279422 2025-12-06 04:04:45 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 22:58:25.842 +26:38:19.66 2020-10-27 03:34:56.997 19.1161 i-ZTF PSN ZTF20acnserh ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR4856....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22526 2025-12-08 05:32:34 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.023857 1 ZTF 2025TNSCR4889....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
22527 2025-12-08 03:26:38 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2020afiv_2025-12-08_03-26-37.709777_P60_SEDM_ZTF.ascii Object

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