RA/DEC (2000)
23:52:04.906 -20:41:37.26
358.020443 -20.6936823
Type
SN Ia
Redshift
0.071933
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-23 07:31:22.995
TNS AT
Y
Public
Y
Discovery Mag
20.4577
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_2025ymu - 2025-10-07 23:44:10 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

 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
22178 2025-10-07 23:44:10 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025ymu_2025-10-07_23-44-09.635_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-09-17 13:04:26 - 2025-09-17 13:04:26 2460936.044753 - 2460936.044753 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521048 2025-09-17 13:04:26 2460936.044753 19.5 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-27 23:48:59 - 2025-09-27 23:48:59 2460946.492351 - 2460946.492351 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521049 2025-09-27 23:48:59 2460946.492351 19.07 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-25 23:41:34 - 2025-09-25 23:41:34 2460944.4872 - 2460944.4872 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520686 2025-09-25 23:41:34 2460944.4872 19.41 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-23 05:47:55 - 2025-09-25 06:26:35 2460941.7416088 - 2460943.7684606 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519863 2025-09-25 06:26:35 2460943.7684606 19.7282 0.165947 ABMag r-ZTF P48_ZTF-Cam
519861 2025-09-23 05:47:55 2460941.7416088 19.8413 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-23 07:31:23 - 2025-09-23 07:31:23 2460941.8134606 - 2460941.8134606 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519862 2025-09-23 07:31:23 2460941.8134606 20.4577 0.205878 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-09-28 08:57:24 - 2025-09-28 08:57:24 2460946.87319 - 2460946.87319 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520687 2025-09-28 08:57:24 2460946.87319 18.852 0.111 19.43 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
271845 2025-09-30 11:36:11 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 23:52:04.931 -20:41:37.26 2025-09-27 23:48:59.040 19.07 L-GOTO Other GOTO25hxv GOTO N
271663 2025-09-29 09:37:25 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:52:04.906 -20:41:37.48 2025-09-28 08:57:23.616 18.852 cyan-ATLAS PSN ATLAS25mbz ATLAS N
271269 2025-09-25 07:20:37 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 23:52:04.906 -20:41:37.26 2025-09-23 07:31:22.995 20.4577 g-ZTF PSN ZTF25abtoptp ZTF 2025TNSTR3862....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
22178 2025-10-08 12:41:36 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (Caltech), Zoe McGrath (LJMU) ZTF SN Ia 0.071933 1 ZTF Spectrum displays Si II absorption and Fe II features characteristic of a SN Ia. Redshift of z = 0.071933 ± 0.000150 from The 6dF Galaxy Survey Data Release 3. 2025TNSCR4047....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
22178 2025-10-07 23:44:10 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025ymu_2025-10-07_23-44-09.635_LT_SPRAT_ZTF.spec Object

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