RA/DEC (2000)
00:20:05.076 +08:30:41.89
5.0211512 +8.5116357
Type
SN IIn
Redshift
0.01874
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-17 09:18:45.999
TNS AT
Y
Public
Y
Discovery Mag
20.2258
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_2025uue - 2025-09-12 22:47:33 SALT / RSS (DLT40)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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌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
22011 2025-09-12 22:47:33 SALT / RSS 1200 L. Townsend S. W. Jha DLT40 tns_2025uue_2460931.4496875_SALT_RSS_DLT40.dat tns_2025uue_2460931.4496875_SALT_RSS_DLT40.fits Object Blue continuum with emission lines of H, He I, He II, and C III/N III with narrow components on a broader base. The slit was positioned through the host galaxy, showing strong narrow emission lines with host z = 0.01874.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-10 23:36:49 - 2025-09-11 22:18:54 2460929.4839 - 2460930.42979 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516562 2025-09-11 22:18:54 2460930.42979 17.457 0.054 19.03 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
516561 2025-09-10 23:36:49 2460929.4839 18.55 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2025-07-25 22:35:15 - 2025-09-13 21:22:37 2460882.44115 - 2460932.39071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516793 2025-09-13 21:22:37 2460932.39071 17.45 ABMag Clear- LAST_LAST-Cam 400
516792 2025-07-25 22:35:15 2460882.44115 20.17 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-09-07 03:05:22 - 2025-09-13 00:40:21 2460925.628729 - 2460931.528023 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516651 2025-09-13 00:40:21 2460931.528023 17.33 0.04 ABMag L-GOTO GOTO-N_GOTO-1 180
516650 2025-09-07 03:05:22 2460925.628729 18.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-17 09:18:46 - 2025-08-21 10:07:51 2460904.8880324 - 2460908.9221181 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510890 2025-08-21 10:07:51 2460908.9221181 19.5997 0.137568 ABMag r-ZTF P48_ZTF-Cam
510889 2025-08-17 09:18:46 2460904.8880324 20.2258 0.201093 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-14 09:40:58 - 2025-08-14 09:40:58 2460901.9034491 - 2460901.9034491 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510888 2025-08-14 09:40:58 2460901.9034491 18.944 ABMag g-ZTF P48_ZTF-Cam [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
269881 2025-09-14 04:02:41 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 00:20:05.116 +08:30:42.25 2025-09-13 21:22:37.344 17.45 Clear- PSN LAST N
269819 2025-09-13 08:34:39 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 00:20:05.078 +08:30:41.98 2025-09-13 00:40:20.928 17.33 L-GOTO Other GOTO25gym GOTO N
269769 2025-09-12 00:59:55 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:20:05.058 +08:30:42.03 2025-09-11 22:18:53.856 17.457 wide-ATLAS PSN ATLAS25lex ATLAS N
266922 2025-08-21 11:24:55 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 00:20:05.076 +08:30:41.89 2025-08-17 09:18:45.999 20.2258 r-ZTF PSN ZTF25abjjlgl ZTF 2025TNSTR3303....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
22011 2025-09-13 02:09:47 Saurabh W. Jha Saurabh Jha (Rutgers), Y. Dong, J. Andrews, D. J. Sand, K. A. Bostroem, S. Valenti, M. Lundquist, E. Hoang, M. Shrestha, D. Janzen, G. Hosseinzadeh, J. Pearson, N. Meza, D. Metha, A. Ravi, A. Martas, B. Subrayan DLT40 SN IIn 0.01874 1 1 DLT40 SN IIn with likely precursor activity, potentially similar to SN 2009ip and analogs 2025TNSCR3683....1J
Related files
File Comments Last Modified (UT) Modified By
tns_2025uue_atrep_22011_DLT40.pdf Comparison with early spectrum of type IIn SN 1998S 2025-09-13 02:09:48 Saurabh W. Jha
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
22011 2025-09-12 22:47:33 SALT / RSS 1200 L. Townsend S. W. Jha DLT40 tns_2025uue_2460931.4496875_SALT_RSS_DLT40.dat tns_2025uue_2460931.4496875_SALT_RSS_DLT40.fits Object Blue continuum with emission lines of H, He I, He II, and C III/N III with narrow components on a broader base. The slit was positioned through the host galaxy, showing strong narrow emission lines with host z = 0.01874.

Comments