RA/DEC (2000)
15:22:42.715 +30:02:28.75
230.6779809 +30.0413184
Type
SN Ia
Redshift
0.0765
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-03-01 09:38:59.997
TNS AT
Y
Public
Y
Discovery Mag
20.5223
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_2025dir - 2025-03-26 11:48:40 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
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
20676 2025-03-26 11:48:40 Lick-3m / KAST R. Michael Rich, Antonio C. Rodriguez, Osmin Caceres Jacob Wise ZTF tns_2025dir_2025-03-26_11-48-40.26_Lick-3m_KAST_ZTF.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-05 02:13:34 - 2025-04-04 23:15:35 2460374.59275 - 2460770.46916 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480843 2025-04-04 23:15:35 2460770.46916 19.77 ABMag Clear- LAST_LAST-Cam 400
480842 2024-03-05 02:13:34 2460374.59275 21.8 ABMag Clear- LAST_LAST-Cam 8660 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-02-27 03:46:07 - 2025-02-27 03:46:07 2460733.657034 - 2460733.657034 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480597 2025-02-27 03:46:07 2460733.657034 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-03-16 04:36:41 - 2025-03-16 04:36:41 2460750.692136 - 2460750.692136 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480598 2025-03-16 04:36:41 2460750.692136 18.16 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-02-27 09:09:16 - 2025-03-05 08:23:12 2460733.8814352 - 2460739.8494444 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473441 2025-03-05 08:23:12 2460739.8494444 19.3805 0.158814 ABMag r-ZTF P48_ZTF-Cam
473439 2025-02-27 09:09:16 2460733.8814352 19.9431 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-03-01 09:39:00 - 2025-03-01 09:39:00 2460735.9020833 - 2460735.9020833 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473440 2025-03-01 09:39:00 2460735.9020833 20.5223 0.221609 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-05 12:47:03 - 2025-03-05 12:47:03 2460740.03267 - 2460740.03267 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473630 2025-03-05 12:47:03 2460740.03267 19.174 0.158 19.51 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-04 14:46:23 - 2025-03-04 14:46:23 2460739.11554 - 2460739.11554 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473629 2025-03-04 14:46:23 2460739.11554 19.42 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
250962 2025-04-05 03:50:17 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 15:22:42.764 +30:02:29.10 2025-04-04 23:15:35.424 19.77 Clear- PSN LAST N
250829 2025-04-04 08:33:59 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 15:22:42.725 +30:02:29.09 2025-03-16 04:36:40.896 18.16 L-GOTO Other GOTO25bnr GOTO N
246813 2025-03-06 01:09:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 15:22:42.740 +30:02:28.78 2025-03-05 12:47:02.688 19.174 orange-ATLAS PSN ATLAS25cku ATLAS N
246727 2025-03-05 09:15:07 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:22:42.715 +30:02:28.75 2025-03-01 09:38:59.997 20.5223 g-ZTF PSN ZTF25aaipwch ZTF 2025TNSTR.894....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
20676 2025-03-31 23:38:20 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), R. Michael Rich (UCSC), Antonio C. Rodriguez (Caltech), Osmin Caceres (UCSC) ZTF SN Ia 0.0765 1 1 ZTF Spectrum is well-fit to template spectra from previously classified SN Ia at a redshift of z = 0.0765 ± 0.0045. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR1222....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025dir_atrep_20676_ZTF.pdf NGSF fits 2025-03-31 23:38:20 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
20676 2025-03-26 11:48:40 Lick-3m / KAST R. Michael Rich, Antonio C. Rodriguez, Osmin Caceres Jacob Wise ZTF tns_2025dir_2025-03-26_11-48-40.26_Lick-3m_KAST_ZTF.flm Object

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