RA/DEC (2000)
14:02:42.156 -20:26:11.70
210.675649 -20.4365842
Type
SN Ia
Redshift
0.032496
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-05-20 06:52:36.001
TNS AT
Y
Public
Y
Discovery Mag
20.1027
Filter
g-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Kaustav Kashyap Das (Caltech), Mansi Kasliwal (Caltech), Theophile Du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kwy - 2025-05-23 00:00:00 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌CTIO-4m_DECAM_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
21116 2025-05-23 00:00:00 Keck1 / LRIS 300 Robert Stein, Kaustav Kashyap Das Kaustav Kashyap Das ZTF tns_2025kwy_2025-05-23_00-00-00_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-06 00:56:37 - 2025-05-25 19:26:56 2460375.53932 - 2460821.31037 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491556 2025-05-25 19:26:56 2460821.31037 18.11 ABMag Clear- LAST_LAST-Cam 400
491555 2024-03-06 00:56:37 2460375.53932 20.14 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-05-17 14:42:54 - 2025-05-17 14:42:54 2460813.11313 - 2460813.11313 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490882 2025-05-17 14:42:54 2460813.11313 19.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-05-21 23:18:04 - 2025-05-21 23:18:04 2460817.470882 - 2460817.470882 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490883 2025-05-21 23:18:04 2460817.470882 19.31 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-22 03:03:04 - 2025-05-22 03:03:04 2460817.62713 - 2460817.62713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490917 2025-05-22 03:03:04 2460817.62713 18.922 0.162 19.46 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-19 22:59:15 - 2025-05-19 22:59:15 2460815.45781 - 2460815.45781 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490916 2025-05-19 22:59:15 2460815.45781 16.75 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-20 06:32:28 - 2025-05-20 07:32:48 2460815.7725463 - 2460815.8144444 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489354 2025-05-20 07:32:48 2460815.8144444 19.9999 0.129687 ABMag r-ZTF P48_ZTF-Cam
489352 2025-05-20 06:32:28 2460815.7725463 20.8475 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-20 06:52:36 - 2025-05-20 06:52:36 2460815.7865278 - 2460815.7865278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489353 2025-05-20 06:52:36 2460815.7865278 20.1027 0.136989 ABMag g-ZTF P48_ZTF-Cam
r-Sloan CTIO-4m_DECAM 2025-05-20 05:13:18 - 2025-05-20 05:13:18 2460815.7175722 - 2460815.7175722 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490679 2025-05-20 05:13:18 2460815.7175722 20.2043 0.0197223 ABMag r-Sloan CTIO-4m_DECAM
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
256750 2025-05-25 23:25:16 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 14:02:42.096 -20:26:11.80 2025-05-25 19:26:55.968 18.11 Clear- PSN LAST N
256393 2025-05-24 12:35:43 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 14:02:42.174 -20:26:11.71 2025-05-22 03:03:04.032 18.922 cyan-ATLAS PSN ATLAS25fid ATLAS N
256376 2025-05-24 12:20:51 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 14:02:42.152 -20:26:11.70 2025-05-21 23:18:04.032 19.31 L-GOTO Other GOTO25czs GOTO N
256223 2025-05-23 21:13:36 DESIRT_Bot Xander J. Hall (Carnegie Mellon U.),Tomás Ahumada (Caltech),Lei Hu (Carnegie Mellon U.) et al. DESIRT DESIRT 14:02:42.186 -20:26:11.88 2025-05-20 05:13:18.048 20.2043 r-Sloan PSN C202505201402422m202612 DESIRT Discovered as part of the DECam ZTF experiment. (PI: Ahumada) N
255608 2025-05-20 21:48:29 ZTF_CATS150 Nabeel Rehemtulla (CIERA,NU),Kaustav Kashyap Das (Caltech) et al. ZTF ZTF 14:02:42.156 -20:26:11.70 2025-05-20 06:52:36.001 20.1027 g-ZTF PSN ZTF25aaqsuda ZTF 2025TNSTR1854....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
21116 2025-05-23 17:36:04 ZTF_Bot1 K. Das, S. Covarrubias, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN Ia 0.032496 1 Add ZTF 2025TNSCR1928....1D
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
21116 2025-05-23 00:00:00 Keck1 / LRIS 300 Robert Stein, Kaustav Kashyap Das Kaustav Kashyap Das ZTF tns_2025kwy_2025-05-23_00-00-00_Keck1_LRIS_ZTF.ascii Object

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