RA/DEC (2000)
02:11:25.850 -17:45:47.97
32.8577104 -17.7633238
Type
SN Ia
Redshift
0.065
Discovery ReportClassification Report
Related AstroNotes: 2025-268
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-13 10:05:16.002
TNS AT
Y
Public
Y
Discovery Mag
18.2292
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025tsw - 2025-08-26 07:42:11 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
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌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
21868 2025-08-26 07:42:11 ESO-NTT / EFOSC2-NTT 900 C. Gutierrez, R. Sanfeliu, H.-Y. Miao C. Gutierrez ePESSTO+ tns_2025tsw_2025-08-26_07-42-11_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tsw_2025-08-26_07-42-11_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-08-13 10:05:16 - 2025-08-13 10:05:16 2460900.9203241 - 2460900.9203241 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508480 2025-08-13 10:05:16 2460900.9203241 18.2292 0.0778294 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-13 11:30:28 - 2025-08-13 11:30:28 2460900.9794907 - 2460900.9794907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508481 2025-08-13 11:30:28 2460900.9794907 18.0732 0.105043 ABMag g-ZTF P48_ZTF-Cam
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
265668 2025-08-13 11:37:14 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 02:11:25.850 -17:45:47.97 2025-08-13 10:05:16.002 18.2292 r-ZTF PSN ZTF25abikgia ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR3187....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
21868 2025-08-26 19:17:04 ePESSTOplus_Bot1 C. Gutierrez, R. Sanfeliu, H.-Y. Miao, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.065 1 ePESSTO+ 2025TNSCR3382....1G
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
21868 2025-08-26 07:42:11 ESO-NTT / EFOSC2-NTT 900 C. Gutierrez, R. Sanfeliu, H.-Y. Miao C. Gutierrez ePESSTO+ tns_2025tsw_2025-08-26_07-42-11_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tsw_2025-08-26_07-42-11_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments