RA/DEC (2000)
19:38:34.031 -06:12:47.81
294.6417946875 -6.21328075
Type
SN Ia
Redshift
0.037
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-12 04:55:43.000
TNS AT
Y
Public
Y
Discovery Mag
19.4577
Filter
g-ZTF
Reporter/s
Jacob Wise (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025tqh - 2025-08-27 05:51:17 P60 / SEDM (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-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌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
21876 2025-08-27 05:51:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tqh_2025-08-27_05-51-16.760794_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-08-12 11:33:35 - 2025-08-12 11:33:35 2460899.981646 - 2460899.981646 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508277 2025-08-12 11:33:35 2460899.981646 18.83 0.12 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2025-08-10 23:40:58 - 2025-08-10 23:40:58 2460898.486784 - 2460898.486784 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508276 2025-08-10 23:40:58 2460898.486784 18.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-08-12 01:57:32 - 2025-08-12 01:57:32 2460899.5816204 - 2460899.5816204 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508422 2025-08-12 01:57:32 2460899.5816204 18.95 0.1 20.42 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-06-10 07:41:25 - 2025-06-10 07:41:25 2460836.8204282 - 2460836.8204282 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508421 2025-06-10 07:41:25 2460836.8204282 19.38 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-11 08:36:21 - 2025-08-12 06:02:33 2460898.8585764 - 2460899.7517708 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508232 2025-08-12 06:02:33 2460899.7517708 18.8589 0.0794928 ABMag r-ZTF P48_ZTF-Cam
508230 2025-08-11 08:36:21 2460898.8585764 19.1351 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-11 05:42:05 - 2025-08-12 04:55:43 2460898.7375579 - 2460899.7053588 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508231 2025-08-12 04:55:43 2460899.7053588 19.4577 0.142534 ABMag g-ZTF P48_ZTF-Cam
511016 2025-08-12 04:55:43 2460899.7053588 19.4135 0.245401 19.4469 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
511015 2025-08-11 05:42:05 2460898.7375579 19.445 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
266979 2025-08-21 18:15:45 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 19:38:34.031 -06:12:47.81 2025-08-12 04:55:43.000 19.4135 g-ZTF PSN ZTF25abidcdj ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abidcdj N
265639 2025-08-13 08:23:03 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 19:38:34.046 -06:12:48.02 2025-08-12 01:57:32.000 18.95 BG-q-BlackGem 1 PSN BGEM J193834.04-061248.0 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025tqh_atrep_265639_BlackGEM.pdf Finding Chart 2025-08-13 08:23:05 BlackGEM_Bot1
265568 2025-08-12 15:27:21 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 19:38:34.046 -06:12:47.96 2025-08-12 11:33:34.560 18.83 L-GOTO Other GOTO25fsq GOTO N
265545 2025-08-12 10:29:48 Fritz Jacob Wise (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 19:38:34.050 -06:12:47.87 2025-08-12 04:55:43.000 19.4577 g-ZTF PSN ZTF25abidcdj ZTF 2025TNSTR3167....1W N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21876 2025-08-27 07:38:10 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.037 1 ZTF 2025TNSCR3407....1S
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
21876 2025-08-27 05:51:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tqh_2025-08-27_05-51-16.760794_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 08/21/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 266979 of Group ZTF
Previous RA, DEC: 19:38:34.050, -06:12:47.87 (294.6418732, -6.2132976)
Updated RA, DEC: 19:38:34.031, -06:12:47.81 (294.6417946875, -6.21328075)