RA/DEC (2000)
12:40:41.831 -07:39:19.59
190.1742971 -7.6554425
Type
SN Ia
Redshift
0.073
Discovery ReportClassification Report
Related AstroNotes: 2025-152
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-05-17 03:48:10.995
TNS AT
Y
Public
Y
Discovery Mag
19.7918
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_2025kny - 2025-05-22 03:06:16 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_cyan
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌CTIO-4m_DECAM_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
21103 2025-05-22 03:06:16 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025kny_2025-05-22_03-06-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kny_2025-05-22_03-06-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-20 02:49:39 - 2025-05-20 02:49:39 2460815.61781 - 2460815.61781 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489200 2025-05-20 02:49:39 2460815.61781 19.116 0.154 19.44 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
i-ZTF P48_ZTF-Cam 2025-05-17 05:29:19 - 2025-05-17 05:29:19 2460812.7286921 - 2460812.7286921 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488616 2025-05-17 05:29:19 2460812.7286921 19.2336 0.14629 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2025-05-16 07:20:40 - 2025-05-16 07:20:40 2460811.8060185 - 2460811.8060185 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488614 2025-05-16 07:20:40 2460811.8060185 19.8239 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-17 03:48:11 - 2025-05-17 03:48:11 2460812.6584606 - 2460812.6584606 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488615 2025-05-17 03:48:11 2460812.6584606 19.7918 0.125902 ABMag g-ZTF P48_ZTF-Cam
r-Sloan CTIO-4m_DECAM 2025-05-17 02:56:26 - 2025-05-17 02:56:26 2460812.6225189 - 2460812.6225189 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489321 2025-05-17 02:56:26 2460812.6225189 19.4257 0.0229611 ABMag r-Sloan CTIO-4m_DECAM
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-19 09:31:20 - 2025-05-19 09:31:20 2460814.89676 - 2460814.89676 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489199 2025-05-19 09:31:20 2460814.89676 19.2 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
255589 2025-05-20 19:22:42 DESIRT_Bot Xander J. Hall (Carnegie Mellon U.),Tomás Ahumada (Caltech),Lei Hu (Carnegie Mellon U.) et al. DESIRT DESIRT 12:40:41.802 -07:39:19.94 2025-05-17 02:56:25.728 19.4257 r-Sloan PSN C202505171240418m073920 DESIRT Discovered as part of the DECam ZTF experiment. (PI: Ahumada) N
255512 2025-05-20 07:38:48 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:40:41.791 -07:39:19.64 2025-05-20 02:49:38.784 19.116 cyan-ATLAS PSN ATLAS25fde ATLAS N
255187 2025-05-17 06:05:12 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:40:41.831 -07:39:19.59 2025-05-17 03:48:10.995 19.7918 g-ZTF PSN ZTF25aaqkvza ZTF 2025TNSTR1820....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
21103 2025-05-22 15:32:42 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.073 1 Add ePESSTO+ 2025TNSCR1906....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
21103 2025-05-22 03:06:16 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025kny_2025-05-22_03-06-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kny_2025-05-22_03-06-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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