RA/DEC (2000)
04:28:34.431 +11:02:52.68
67.1434636 +11.0479672
Type
SN II
Redshift
0.020521
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-18 11:57:27.002
TNS AT
Y
Public
Y
Discovery Mag
17.941
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025rmg - 2025-07-25 00:00:00 Keck1 / LRIS (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-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌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
21647 2025-07-25 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Nicholas Earley Kaustav Kashyap Das, Nicholas Earley ZTF tns_2025rmg_2025-07-25_00-00-00_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-08-14 05:07:21 - 2025-08-14 05:07:21 2460901.713436 - 2460901.713436 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520216 2025-08-14 05:07:21 2460901.713436 18.56 0.2 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-05 23:59:51 - 2025-07-19 09:49:36 2460771.4999 - 2460875.90944 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503501 2025-07-19 09:49:36 2460875.90944 17.913 0.143 18.35 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503500 2025-04-05 23:59:51 2460771.4999 18.1 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-27 22:14:27 - 2025-02-27 22:14:27 2460734.426705 - 2460734.426705 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520215 2025-02-27 22:14:27 2460734.426705 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-01-28 01:28:24 - 2025-01-28 01:28:24 2460703.5613889 - 2460703.5613889 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587179 2025-01-28 01:28:24 2460703.5613889 20.64 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-07-22 09:41:52 - 2025-07-22 09:41:52 2460878.9040741 - 2460878.9040741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587180 2025-07-22 09:41:52 2460878.9040741 18.42 0.06 20.11 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-07-18 11:57:27 - 2025-07-19 11:41:23 2460874.9982292 - 2460875.9870718 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503461 2025-07-19 11:41:23 2460875.9870718 17.8326 0.0795987 ABMag r-ZTF P48_ZTF-Cam
503460 2025-07-18 11:57:27 2460874.9982292 17.941 0.181958 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
306154 2026-05-27 16:40:15 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 04:28:34.443 +11:02:52.64 2025-07-22 09:41:52.000 18.42 BG-q-BlackGem PSN BGEM J042834.44+110252.6 BlackGEM N
271428 2025-09-26 08:52:57 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 04:28:34.404 +11:02:52.08 2025-08-14 05:07:21.216 18.56 L-GOTO Other GOTO25htl GOTO N
263007 2025-07-19 18:36:59 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 04:28:34.445 +11:02:52.36 2025-07-19 09:49:35.616 17.913 orange-ATLAS PSN ATLAS25hwt ATLAS N
262990 2025-07-19 14:53:59 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 04:28:34.431 +11:02:52.68 2025-07-18 11:57:27.002 17.941 r-ZTF PSN ZTF25abbvstu ZTF 2025TNSTR2775....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
21647 2025-07-25 21:23:21 ZTF_Bot1 K. Das, A. Mehla, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.020521 1 ZTF 2025TNSCR2907....1D
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
21647 2025-07-25 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Nicholas Earley Kaustav Kashyap Das, Nicholas Earley ZTF tns_2025rmg_2025-07-25_00-00-00_Keck1_LRIS_ZTF.ascii Object

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