RA/DEC (2000)
04:09:29.109 -05:46:54.92
62.3712869 -5.7819219
Type
SLSN-I
Redshift
0.12
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-02-03 04:06:02.001
TNS AT
Y
Public
Y
Discovery Mag
20.1111
Filter
r-ZTF
Reporter/s
Eli Gendreau-Distler (UC Berkeley), Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025cng - 2025-09-05 03:49:41 NOT / ALFOSC (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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
   
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
22019 2025-09-05 03:49:41 NOT / ALFOSC 1800 J. Sollerman, A. Gangopadhyay A. Gangopadhyay ZTF tns_2025cng_2025-09-05_03-49-41.377_NOT_ALFOSC_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-02-22 21:14:32 - 2025-02-22 21:14:32 2460729.385087 - 2460729.385087 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511041 2025-02-22 21:14:32 2460729.385087 19.63 0.21 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2025-02-03 21:49:11 - 2025-02-03 21:49:11 2460710.409164 - 2460710.409164 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511040 2025-02-03 21:49:11 2460710.409164 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-01-31 04:37:11 - 2025-01-31 04:37:11 2460706.6924884 - 2460706.6924884 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471289 2025-01-31 04:37:11 2460706.6924884 19.793 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-03 04:06:02 - 2025-02-24 04:26:17 2460709.6708565 - 2460730.684919 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471291 2025-02-24 04:26:17 2460730.684919 19.4979 0.162255 ABMag r-ZTF P48_ZTF-Cam
471290 2025-02-03 04:06:02 2460709.6708565 20.1111 0.218176 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-04 06:04:37 - 2025-03-08 05:39:09 2460738.75321 - 2460742.73552 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
474623 2025-03-08 05:39:09 2460742.73552 18.851 0.178 19.02 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
474622 2025-03-04 06:04:37 2460738.75321 19.07 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [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
266994 2025-08-21 21:26:46 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:09:29.108 -05:46:55.44 2025-02-22 21:14:31.776 19.63 L-GOTO Other GOTO25fxz GOTO N
247531 2025-03-10 00:17:10 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 04:09:29.130 -05:46:55.02 2025-03-08 05:39:08.928 18.851 orange-ATLAS PSN ATLAS25cny ATLAS N
245741 2025-02-24 05:17:06 Fritz Eli Gendreau-Distler (UC Berkeley), Jesper Sollerman (SU), Christoffer Fremling (Caltech) et al. ZTF ZTF 04:09:29.109 -05:46:54.92 2025-02-03 04:06:02.001 20.1111 r-ZTF PSN ZTF25aaexcaf ZTF 2025TNSTR.760....1G N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22019 2025-09-14 22:05:46 Steve Schulze S. Schulze (NU, CIERA), L. Yan (Caltech), A. Aryan (NCU), J. Sollerman (OKC), A. Gangopadhyay (OKC) report on behalf of the ZTF SLSN Science Working Group ZTF SLSN-I 0.12 1 ZTF NGSF classification. Good matches with the SLSN-I 2007bi at 157 days after peak. 2025TNSCR3701....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
22019 2025-09-05 03:49:41 NOT / ALFOSC 1800 J. Sollerman, A. Gangopadhyay A. Gangopadhyay ZTF tns_2025cng_2025-09-05_03-49-41.377_NOT_ALFOSC_ZTF.ascii Object

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