RA/DEC (2000)
18:08:46.781 +23:10:14.19
272.1949188 +23.1706081
Type
SN Ia
Redshift
0.08
Related AstroNotes: 2025-156
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-05-16 10:16:51.997
TNS AT
Y
Public
Y
Discovery Mag
19.6796
Filter
g-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2025ktt - 2025-05-25 06:38:16 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
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Show [Ca II] 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
21133 2025-05-25 06:38:16 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025ktt_2025-05-25_06-38-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ktt_2025-05-25_06-38-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-05-16 09:02:51 - 2025-05-19 09:35:15 2460811.8769792 - 2460814.8994792 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489079 2025-05-19 09:35:15 2460814.8994792 19.1658 0.133644 ABMag r-ZTF P48_ZTF-Cam
489077 2025-05-16 09:02:51 2460811.8769792 22.6192 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-16 10:16:52 - 2025-05-16 10:16:52 2460811.9283796 - 2460811.9283796 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489078 2025-05-16 10:16:52 2460811.9283796 19.6796 0.20539 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
255459 2025-05-19 17:30:39 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 18:08:46.781 +23:10:14.19 2025-05-16 10:16:51.997 19.6796 g-ZTF PSN ZTF25aaqkhyr ZTF 2025TNSTR1839....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21133 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
21133 2025-05-25 06:38:16 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025ktt_2025-05-25_06-38-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ktt_2025-05-25_06-38-16_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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