RA/DEC (2000)
10:45:56.079 -00:16:35.37
161.4836609 -0.2764911
Type
SN Ia
Redshift
0.0835
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-04-15 05:35:20.002
TNS AT
Y
Public
Y
Discovery Mag
19.246
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_2025hma - 2025-05-03 21:23:31 LT / SPRAT (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

 ▌WFST_WFST-WFC_g
 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌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
20972 2025-05-03 21:23:31 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025hma_2025-05-03_21-23-30.949_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2025-04-15 15:08:38 - 2025-04-15 15:08:38 2460781.131 - 2460781.131 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485752 2025-04-15 15:08:38 2460781.131 18.92 0.15 ABMag g-WFST WFST_WFST-WFC 90
L-GOTO GOTO-S_GOTO-4 2025-04-16 11:52:00 - 2025-04-16 11:52:00 2460781.994443 - 2460781.994443 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482905 2025-04-16 11:52:00 2460781.994443 19.24 0.17 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-04-14 11:08:24 - 2025-04-14 11:08:24 2460779.96417 - 2460779.96417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482904 2025-04-14 11:08:24 2460779.96417 18.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-18 03:20:24 - 2025-04-22 02:33:20 2460783.63917 - 2460787.60648 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483375 2025-04-22 02:33:20 2460787.60648 18.519 0.104 19.24 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
483374 2025-04-18 03:20:24 2460783.63917 19 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-07 08:10:53 - 2025-04-07 08:10:53 2460772.8408912 - 2460772.8408912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482344 2025-04-07 08:10:53 2460772.8408912 19.0749 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-15 05:35:20 - 2025-04-16 06:53:05 2460780.7328704 - 2460781.7868634 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482346 2025-04-16 06:53:05 2460781.7868634 18.9184 0.0924774 ABMag g-ZTF P48_ZTF-Cam
482345 2025-04-15 05:35:20 2460780.7328704 19.246 0.164674 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
253503 2025-05-03 09:32:38 WFST_SN Zelin Xu,Dezheng Meng,Ji-an Jiang et al. WFST WFST 10:45:56.090 -00:16:35.17 2025-04-15 15:08:38.400 18.92 g-WFST PSN WFST0576afqj WFST N
252275 2025-04-22 08:55:51 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 10:45:56.095 -00:16:35.42 2025-04-22 02:33:19.872 18.519 orange-ATLAS PSN ATLAS25eat ATLAS N
252044 2025-04-20 14:39:56 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 10:45:56.099 -00:16:34.95 2025-04-16 11:51:59.616 19.24 L-GOTO Other GOTO25bzg GOTO N
251743 2025-04-16 09:46:07 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 10:45:56.079 -00:16:35.37 2025-04-15 05:35:20.002 19.246 g-ZTF PSN ZTF25aanbchm ZTF 2025TNSTR1401....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
20972 2025-05-04 00:26:25 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.0835 1 1 ZTF Spectrum is well-fit to template spectra from previously classified SN Ia at a redshift of z = 0.0835 ± 0.0095. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR1671....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025hma_atrep_20972_ZTF.pdf NGSF fits 2025-05-04 00:26:25 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
20972 2025-05-03 21:23:31 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025hma_2025-05-03_21-23-30.949_LT_SPRAT_ZTF.spec Object

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