RA/DEC (2000)
17:52:35.919 +37:22:40.08
268.1496631 +37.3778013
Type
SN Ia
Redshift
0.0825
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-01-18 12:14:02.002
TNS AT
Y
Public
Y
Discovery Mag
18.6758
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aal - 2025-02-16 06:32:14 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-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
   
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
20399 2025-02-16 06:32:14 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025aal_2025-02-16_06-32-14.177_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2024-11-09 19:51:46 - 2025-01-28 06:53:40 2460624.327621 - 2460703.787271 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465005 2025-01-28 06:53:40 2460703.787271 18.02 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
465004 2024-11-09 19:51:46 2460624.327621 19 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-18 12:14:02 - 2025-01-23 12:47:09 2460694.0097454 - 2460699.0327431 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464057 2025-01-23 12:47:09 2460699.0327431 18.2041 0.127519 ABMag r-ZTF P48_ZTF-Cam
464056 2025-01-18 12:14:02 2460694.0097454 18.6758 0.10048 ABMag r-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
242641 2025-01-28 08:31:58 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 17:52:35.907 +37:22:40.58 2025-01-28 06:53:40.128 18.02 L-GOTO Other GOTO25tk GOTO N
242129 2025-01-23 12:57:19 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 17:52:35.919 +37:22:40.08 2025-01-18 12:14:02.002 18.6758 r-ZTF PSN ZTF25aachzjr ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR.318....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20399 2025-02-17 23:16:56 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.0825 1 1 ZTF Spectrum is well-fit by template spectra from previously classified SN Ia at a redshift of z = 0.0825 ± 0.0035. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR.651....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025aal_atrep_20399_ZTF.pdf NGSF fits 2025-02-17 23:16:56 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
20399 2025-02-16 06:32:14 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025aal_2025-02-16_06-32-14.177_LT_SPRAT_ZTF.spec Object

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