RA/DEC (2000)
12:29:16.826 +05:04:04.41
187.3201101 +5.067893
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2025-39, 2025-41
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-01-01 09:52:48.996
TNS AT
Y
Public
Y
Discovery Mag
20.6332
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_2025hf - 2025-01-27 05:42:09 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2025hf - 2025-01-25 11:48:59 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

 ▌LAST_LAST-Cam_Clear
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌GOTO-N_GOTO-1_L
 ▌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
20254 2025-01-27 05:42:09 ESO-NTT / EFOSC2-NTT 1799 Simon de Wet, Hannah Wichern Giorgos Leloudas ePESSTO+ tns_2025hf_2025-01-27_05-42-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025hf_2025-01-27_05-42-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
20248 2025-01-25 11:48:59 Lick-3m / KAST R. Michael Rich, K-Ryan Hinds, Jacob Wise Jacob Wise ZTF tns_2025hf_2025-01-25_11-48-59.28_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-04 23:18:03 - 2025-01-24 00:01:01 2460374.47087 - 2460699.50071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464759 2025-01-24 00:01:01 2460699.50071 18.42 ABMag Clear- LAST_LAST-Cam 400
464758 2024-03-04 23:18:03 2460374.47087 20.82 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-01-10 01:49:26 - 2025-01-10 01:49:26 2460685.576 - 2460685.576 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461871 2025-01-10 01:49:26 2460685.576 18.425 0.079 19.48 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-01-10 02:28:05 - 2025-01-14 03:12:32 2460685.602839 - 2460689.6337 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462385 2025-01-14 03:12:32 2460689.6337 18.42 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
462384 2025-01-10 02:28:05 2460685.602839 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2024-12-31 11:34:56 - 2025-01-09 09:36:55 2460675.9825926 - 2460684.9006366 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461729 2025-01-09 09:36:55 2460684.9006366 18.8253 0.116167 ABMag r-ZTF P48_ZTF-Cam
461727 2024-12-31 11:34:56 2460675.9825926 19.9622 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-01-01 09:52:49 - 2025-01-01 09:52:49 2460676.9116782 - 2460676.9116782 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461728 2025-01-01 09:52:49 2460676.9116782 20.6332 0.317423 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-09 13:48:13 - 2025-01-09 13:48:13 2460685.07515 - 2460685.07515 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461870 2025-01-09 13:48:13 2460685.07515 19.26 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
242503 2025-01-26 14:08:12 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 12:29:16.838 +05:04:05.49 2025-01-24 00:01:01.344 18.42 Clear- PSN LAST N
241154 2025-01-16 09:21:31 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 12:29:16.788 +05:04:04.37 2025-01-14 03:12:31.680 18.42 L-GOTO Other GOTO25hk GOTO N
240918 2025-01-10 08:23:11 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:29:16.806 +05:04:04.89 2025-01-10 01:49:26.400 18.425 cyan-ATLAS PSN ATLAS25ajk ATLAS N
240847 2025-01-09 09:53:19 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:29:16.826 +05:04:04.41 2025-01-01 09:52:48.996 20.6332 g-ZTF PSN ZTF25aabmhdd ZTF 2025TNSTR.126....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
20254 2025-01-27 16:47:22 ePESSTOplus_Bot1 Simon de Wet, Hannah Wichern, Giorgos Leloudas, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.07 1 Add ePESSTO+ 2025TNSCR.377....1W
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
20254 2025-01-27 05:42:09 ESO-NTT / EFOSC2-NTT 1799 Simon de Wet, Hannah Wichern Giorgos Leloudas ePESSTO+ tns_2025hf_2025-01-27_05-42-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025hf_2025-01-27_05-42-09_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
20248 2025-01-27 12:45:11 Jacob Wise Jacob Wise (LJMU), K-Ryan Hinds (LJMU), Daniel Perley (LJMU), R. Michael Rich (UCLA) ZTF SN Ia 0.0718 1 1Add ZTF Spectrum is well-fit by template spectra from previously classified SN Ia. Redshift of z = 0.0718 found using host galaxy H-alpha emission. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR.380....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025hf_atrep_20248_ZTF.pdf NGSF fits 2025-01-27 12:45:11 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
20248 2025-01-25 11:48:59 Lick-3m / KAST R. Michael Rich, K-Ryan Hinds, Jacob Wise Jacob Wise ZTF tns_2025hf_2025-01-25_11-48-59.28_Lick-3m_KAST_ZTF.txt Object

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