RA/DEC (2000)
05:45:53.157 -25:53:17.05
86.471487190909 -25.8880687
Type
SN Ia
Redshift
0.0425
Discovery ReportClassification Report
Related AstroNotes: 2025-41
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-01-11 06:00:33.998
TNS AT
Y
Public
Y
Discovery Mag
19.5052
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_2025kd - 2025-01-24 05:55:34 Lick-3m / KAST (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

 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ML1_MeerLICHT-Cam_BG-q
 ▌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
20247 2025-01-24 05:55:34 Lick-3m / KAST R. Michael Rich, K-Ryan Hinds, Jacob Wise Jacob Wise ZTF tns_2025kd_2025-01-24_05-55-33.78_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-01-14 15:17:38 - 2025-01-14 15:17:38 2460690.137245 - 2460690.137245 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462290 2025-01-14 15:17:38 2460690.137245 18.47 0.14 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-01-14 04:32:35 - 2025-01-15 03:43:35 2460689.68929 - 2460690.65527 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462325 2025-01-15 03:43:35 2460690.65527 18.441 0.195 18.55 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
462324 2025-01-14 04:32:35 2460689.68929 18.33 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-01-08 21:37:45 - 2025-01-08 21:37:45 2460684.40122 - 2460684.40122 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462289 2025-01-08 21:37:45 2460684.40122 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-01-20 04:15:51 - 2025-01-20 04:15:51 2460695.6776736 - 2460695.6776736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463419 2025-01-20 04:15:51 2460695.6776736 18.06 0.05 20.35 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem ML1_MeerLICHT-Cam 2021-11-03 14:19:32 - 2021-11-03 14:19:32 2459522.0968981 - 2459522.0968981 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463418 2021-11-03 14:19:32 2459522.0968981 20.34 ABMag BG-q-BlackGem ML1_MeerLICHT-Cam 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-11 07:33:02 - 2025-01-11 07:33:02 2460686.8146065 - 2460686.8146065 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462036 2025-01-11 07:33:02 2460686.8146065 19.3986 0.206559 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-11 05:32:15 - 2025-01-11 06:00:34 2460686.7307292 - 2460686.7503935 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462035 2025-01-11 06:00:34 2460686.7503935 19.5052 0.310348 ABMag g-ZTF P48_ZTF-Cam
464944 2025-01-11 06:00:34 2460686.7503935 19.5052 0.310348 19.0678 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
462034 2025-01-11 05:32:15 2460686.7307292 18.9928 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
464943 2025-01-11 05:32:15 2460686.7307292 18.9928 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
242610 2025-01-27 19:34:13 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 05:45:53.157 -25:53:17.05 2025-01-11 06:00:33.998 19.5052 g-ZTF PSN ZTF25aabpoxz ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aabpoxz N
241719 2025-01-20 08:44:02 BlackGEM_Bot1 G. Ramsay,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 05:45:53.136 -25:53:16.92 2025-01-20 04:15:51.000 18.06 BG-q-BlackGem 1 PSN BGEM J054553.13-255316.9 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kd_atrep_241719_BlackGEM.pdf Finding Chart 2025-01-20 08:44:05 BlackGEM_Bot1
241126 2025-01-15 15:40:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 05:45:53.219 -25:53:17.12 2025-01-15 03:43:35.328 18.441 orange-ATLAS PSN ATLAS25aks ATLAS N
241111 2025-01-15 14:47:27 GOTO_bot G. Ramsay,T. Killestein,K. Ackley et al. GOTO GOTO 05:45:53.170 -25:53:17.47 2025-01-14 15:17:37.536 18.47 L-GOTO Other GOTO25gw GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Mayahuel Torres Guerrero, Antonio Pasqua, Virgilio Gonano, Svetoslav Alexandrov, Hiroki Fukuyama N
240992 2025-01-11 10:50:09 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 05:45:53.170 -25:53:17.01 2025-01-11 06:00:33.998 19.5052 g-ZTF PSN ZTF25aabpoxz ZTF 2025TNSTR.155....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
20247 2025-01-27 11:42:24 Jacob Wise Jacob Wise (LJMU), K-Ryan Hinds (LJMU), Daniel Perley (LJMU), R. Michael Rich (UCLA) ZTF SN Ia 0.0425 1 1Add ZTF Spectrum is well-fit by template spectra from previously classified SN Ia events. Redshift of z = 0.0425 found using Na D absorption in spectrum. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR.380....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025kd_atrep_20247_ZTF.pdf NGSF fits 2025-01-27 11:42:24 Jacob Wise
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
20247 2025-01-24 05:55:34 Lick-3m / KAST R. Michael Rich, K-Ryan Hinds, Jacob Wise Jacob Wise ZTF tns_2025kd_2025-01-24_05-55-33.78_Lick-3m_KAST_ZTF.txt Object

Comments

TNS
System

Mon, 01/27/2025 - 19:34

Object coordinates updated

Object coordinates updated according to AT-report 242610 of Group ZTF
Previous RA, DEC: 05:45:53.170, -25:53:17.01 (86.4715419, -25.8880595)
Updated RA, DEC: 05:45:53.157, -25:53:17.05 (86.471487190909, -25.8880687)