RA/DEC (2000)
14:59:07.376 +15:42:39.29
224.780733 +15.710914
Type
SN Ia
Redshift
0.068
Discovery ReportClassification Report
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-04-08 05:13:02.000
TNS AT
Y
Public
Y
Discovery Mag
18.95
Filter
BG-q-BlackGem
Reporter/s
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025gzh - 2025-04-12 10:26:49 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌BG3_BlackGEM-Cam3_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
20752 2025-04-12 10:26:49 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025gzh_2025-04-12_10-26-49.485723_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-02-28 02:18:41 - 2025-04-05 00:37:11 2460734.59631 - 2460770.52582 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482428 2025-04-05 00:37:11 2460770.52582 19.94 ABMag Clear- LAST_LAST-Cam 360
482427 2025-02-28 02:18:41 2460734.59631 20.22 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-04-07 13:42:04 - 2025-04-10 13:59:35 2460773.070877 - 2460776.083039 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482493 2025-04-10 13:59:35 2460776.083039 18.87 0.21 ABMag L-GOTO GOTO-S_GOTO-3 180
482492 2025-04-07 13:42:04 2460773.070877 19.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-03-11 08:28:38 - 2025-04-08 05:13:02 2460745.8532176 - 2460773.7173843 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481396 2025-04-08 05:13:02 2460773.7173843 18.95 0.09 20.05 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
481395 2025-03-11 08:28:38 2460745.8532176 21.05 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-07 08:37:57 - 2025-04-07 08:37:57 2460772.8596875 - 2460772.8596875 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481427 2025-04-07 08:37:57 2460772.8596875 20.0327 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-07 09:47:53 - 2025-04-08 08:11:38 2460772.9082523 - 2460773.841412 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481429 2025-04-08 08:11:38 2460773.841412 18.8938 0.0872503 ABMag g-ZTF P48_ZTF-Cam
481428 2025-04-07 09:47:53 2460772.9082523 19.0795 0.110337 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-04-14 11:06:11 - 2025-04-14 11:06:11 2460779.96263 - 2460779.96263 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482109 2025-04-14 11:06:11 2460779.96263 18.35 0.157 18.72 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-13 11:19:26 - 2025-04-13 11:19:26 2460778.97183 - 2460778.97183 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482108 2025-04-13 11:19:26 2460778.97183 18.38 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
251812 2025-04-18 06:43:31 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 14:59:07.367 +15:42:39.77 2025-04-10 13:59:34.656 18.87 L-GOTO Other GOTO25bxf GOTO N
251778 2025-04-17 05:04:25 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 14:59:07.372 +15:42:38.87 2025-04-05 00:37:10.848 19.94 Clear- PSN LAST N
251635 2025-04-14 13:43:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 14:59:07.382 +15:42:39.25 2025-04-14 11:06:11.232 18.35 orange-ATLAS PSN ATLAS25duw ATLAS N
251228 2025-04-08 11:31:14 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:59:07.398 +15:42:39.44 2025-04-07 09:47:52.998 19.0795 g-ZTF PSN ZTF25aaluyhj ZTF N
251217 2025-04-08 10:43:03 BlackGEM_Bot1 F. Stoppa, H. Tranin, D. Pieterse et al. BlackGEM BlackGEM 14:59:07.376 +15:42:39.29 2025-04-08 05:13:02.000 18.95 BG-q-BlackGem 1 PSN BGEM J145907.37+154239.2 BlackGEM 2025TNSTR1323....1S N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gzh_atrep_251217_BlackGEM.pdf Finding Chart 2025-04-08 10:43:06 BlackGEM_Bot1
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20752 2025-04-12 11:19:48 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.068 1 ZTF 2025TNSCR1368....1F
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
20752 2025-04-12 10:26:49 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025gzh_2025-04-12_10-26-49.485723_P60_SEDM_ZTF.ascii Object

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