RA/DEC (2000)
14:48:01.789 +11:03:37.21
222.007455 +11.060335
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Related AstroNotes: 2025-156
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-05-08 09:56:25.998
TNS AT
Y
Public
Y
Discovery Mag
19.2233
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_2025kef - 2025-05-25 04:49:09 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-CHL_ATLAS-04_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
21130 2025-05-25 04:49:09 ESO-NTT / EFOSC2-NTT 1200 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kef_2025-05-25_04-49-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kef_2025-05-25_04-49-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-16 04:35:51 - 2025-05-16 04:35:51 2460811.69156 - 2460811.69156 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488756 2025-05-16 04:35:51 2460811.69156 16.65 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-04-22 05:47:02 - 2025-04-22 05:47:02 2460787.7409954 - 2460787.7409954 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489500 2025-04-22 05:47:02 2460787.7409954 20.56 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-05-06 05:40:10 - 2025-05-06 05:40:10 2460801.7362269 - 2460801.7362269 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489501 2025-05-06 05:40:10 2460801.7362269 19.41 0.13 20.71 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-05-02 08:35:53 - 2025-05-08 10:35:46 2460797.8582523 - 2460803.9415046 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487445 2025-05-08 10:35:46 2460803.9415046 18.9246 0.105219 ABMag r-ZTF P48_ZTF-Cam
487443 2025-05-02 08:35:53 2460797.8582523 20.7715 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-08 09:56:26 - 2025-05-08 09:56:26 2460803.9141898 - 2460803.9141898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487444 2025-05-08 09:56:26 2460803.9141898 19.2233 0.141909 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-05-17 12:18:22 - 2025-05-17 12:18:22 2460813.01275 - 2460813.01275 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488757 2025-05-17 12:18:22 2460813.01275 18.796 0.199 18.99 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
255668 2025-05-21 18:29:02 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 14:48:01.753 +11:03:36.56 2025-05-06 05:40:10.000 19.41 BG-q-BlackGem 1 PSN BGEM J144801.75+110336.5 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kef_atrep_255668_BlackGEM.pdf Finding Chart 2025-05-21 18:29:04 BlackGEM_Bot1
255264 2025-05-17 20:27:45 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 14:48:01.846 +11:03:36.77 2025-05-17 12:18:21.600 18.796 orange-ATLAS PSN ATLAS25fah ATLAS N
254581 2025-05-08 12:42:12 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 14:48:01.789 +11:03:37.21 2025-05-08 09:56:25.998 19.2233 g-ZTF PSN ZTF25aaprgoz ZTF 2025TNSTR1713....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
21130 2025-05-25 16:22:09 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.08 1 ePESSTO+ 2025TNSCR1963....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
21130 2025-05-25 04:49:09 ESO-NTT / EFOSC2-NTT 1200 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kef_2025-05-25_04-49-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kef_2025-05-25_04-49-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments