RA/DEC (2000)
13:55:13.092 +05:26:22.46
208.8045497 +5.4395716
Type
SN Ia
Redshift
0.094
Discovery ReportClassification Report
Related AstroNotes: 2025-101
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-03-20 08:23:42.002
TNS AT
Y
Public
Y
Discovery Mag
19.7685
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_2025feb - 2025-03-27 00:14:23 NOT / ALFOSC (BlackGEM)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
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌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
20658 2025-03-27 00:14:23 NOT / ALFOSC 900 David Jones Gerard Garcia Moreno BlackGEM tns_2025feb_2025-03-27_00-14-23_NOT_ALFOSC_BlackGEM.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2025-03-25 19:17:46 - 2025-04-15 18:17:17 2460760.304 - 2460781.262 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485743 2025-04-15 18:17:17 2460781.262 20.49 0.14 ABMag g-WFST WFST_WFST-WFC 60
485742 2025-03-25 19:17:46 2460760.304 22.49 ABMag g-WFST WFST_WFST-WFC 90 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-03-23 05:50:47 - 2025-03-23 05:50:47 2460757.7435995 - 2460757.7435995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477925 2025-03-23 05:50:47 2460757.7435995 19.57 0.14 20.77 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-03-22 03:51:20 - 2025-03-22 03:51:20 2460756.6606481 - 2460756.6606481 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477924 2025-03-22 03:51:20 2460756.6606481 20.79 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-09 09:16:33 - 2025-03-09 09:16:33 2460743.8864931 - 2460743.8864931 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477654 2025-03-09 09:16:33 2460743.8864931 19.7662 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-03-20 08:23:42 - 2025-03-22 09:04:27 2460754.8497917 - 2460756.8780903 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477656 2025-03-22 09:04:27 2460756.8780903 19.6413 0.171755 ABMag g-ZTF P48_ZTF-Cam
477655 2025-03-20 08:23:42 2460754.8497917 19.7685 0.207867 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-24 12:47:14 - 2025-03-24 12:47:14 2460759.0328 - 2460759.0328 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478739 2025-03-24 12:47:14 2460759.0328 19.095 0.153 19.6 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-22 15:36:38 - 2025-03-22 15:36:38 2460757.15044 - 2460757.15044 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478738 2025-03-22 15:36:38 2460757.15044 18.36 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
253497 2025-05-03 09:32:38 WFST_SN Zelin Xu,Dezheng Meng,Ji-an Jiang et al. WFST WFST 13:55:13.080 +05:26:22.54 2025-04-15 18:17:16.800 20.49 g-WFST PSN WFST0553abcdx WFST N
249829 2025-03-25 07:48:32 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:55:13.147 +05:26:23.00 2025-03-24 12:47:13.920 19.095 orange-ATLAS PSN ATLAS25dap ATLAS N
249397 2025-03-23 09:36:02 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 13:55:13.037 +05:26:22.45 2025-03-23 05:50:47.000 19.57 BG-q-BlackGem 1 PSN BGEM J135513.03+052622.4 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025feb_atrep_249397_BlackGEM.pdf Finding Chart 2025-03-23 09:36:05 BlackGEM_Bot1
249238 2025-03-22 13:33:51 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 13:55:13.092 +05:26:22.46 2025-03-20 08:23:42.002 19.7685 g-ZTF PSN ZTF25aajmuaa ZTF 2025TNSTR1091....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
20658 2025-03-27 22:33:13 Nadejda Blagorodnova Mujortova Nadejda Blagorodnova (ICCUB), David Jones (IAC), Gerard García Moreno (ICCUB), Erez A. Zimmerman (WIS), Moses Mlangeni (UCT/SAAO), Marco A. Gómez-Muñoz (ICCUB), Hugo Tranin (ICCUB) BlackGEM SN Ia 0.094 1 Add BlackGEM, CET-3PO 2025TNSCR1185....1B
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
20658 2025-03-27 00:14:23 NOT / ALFOSC 900 David Jones Gerard Garcia Moreno BlackGEM tns_2025feb_2025-03-27_00-14-23_NOT_ALFOSC_BlackGEM.txt Object

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