RA/DEC (2000)
21:22:56.509 -10:00:47.99
320.7354535 -10.0133307
Type
SLSN-I
Redshift
0.22
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-16 05:39:22.000
TNS AT
Y
Public
Y
Discovery Mag
19.7301
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ukr - 2025-08-29 08:41:16 Keck1 / LRIS (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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21946 2025-08-29 08:41:16 Keck1 / LRIS 300 Erica Hammerstein, Ryan Chornock Ryan Chornock ZTF tns_2025ukr_2025-08-29_08-41-16_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-29 00:22:57 - 2025-08-29 00:22:57 2460916.51594 - 2460916.51594 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514740 2025-08-29 00:22:57 2460916.51594 18.679 0.129 20.17 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2025-07-18 21:56:27 - 2025-09-14 18:38:30 2460875.4142 - 2460933.27674 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517331 2025-09-14 18:38:30 2460933.27674 18.55 ABMag Clear- LAST_LAST-Cam 380
517330 2025-07-18 21:56:27 2460875.4142 20.3 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-08-17 12:38:40 - 2025-08-17 12:38:40 2460905.02685 - 2460905.02685 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511346 2025-08-17 12:38:40 2460905.02685 19.7 0.16 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2025-08-13 01:00:20 - 2025-08-13 01:00:20 2460900.541899 - 2460900.541899 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511345 2025-08-13 01:00:20 2460900.541899 18.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-05 09:36:17 - 2025-08-05 09:36:17 2460892.9001968 - 2460892.9001968 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510026 2025-08-05 09:36:17 2460892.9001968 21.0643 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-16 05:39:22 - 2025-08-18 07:14:02 2460903.7356713 - 2460905.801412 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510028 2025-08-18 07:14:02 2460905.801412 19.4993 0.104575 ABMag g-ZTF P48_ZTF-Cam
510027 2025-08-16 05:39:22 2460903.7356713 19.7301 0.153158 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-24 07:40:26 - 2025-08-24 07:40:26 2460911.81975 - 2460911.81975 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514739 2025-08-24 07:40:26 2460911.81975 20.29 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 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
270140 2025-09-15 05:08:26 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 21:22:56.504 -10:00:48.80 2025-09-14 18:38:30.336 18.55 Clear- PSN LAST N
268855 2025-09-01 09:13:19 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:22:56.511 -10:00:47.73 2025-08-29 00:22:57.216 18.679 wide-ATLAS PSN ATLAS25kul ATLAS N
267142 2025-08-22 22:09:41 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 21:22:56.485 -10:00:47.35 2025-08-17 12:38:39.840 19.7 L-GOTO Other GOTO25gdo GOTO N
266470 2025-08-18 07:35:55 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:22:56.509 -10:00:47.99 2025-08-16 05:39:22.000 19.7301 g-ZTF PSN ZTF25abixhdc ZTF 2025TNSTR3262....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21946 2025-09-01 23:48:27 ZTF_Bot1 R. Chornock, K. Das, A. Mehla, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SLSN-I 0.22 1 ZTF 2025TNSCR3512....1C
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
21946 2025-08-29 08:41:16 Keck1 / LRIS 300 Erica Hammerstein, Ryan Chornock Ryan Chornock ZTF tns_2025ukr_2025-08-29_08-41-16_Keck1_LRIS_ZTF.ascii Object

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