RA/DEC (2000)
18:36:31.200 +43:38:53.74
279.130001396 +43.6482612442
Type
SN IIn
Redshift
0.0266
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-06-21 05:42:40.997
TNS AT
Y
Public
Y
Discovery Mag
19.8697
Filter
g-ZTF
Reporter/s
S. Jurado, F.E. Bauer, G. Pignata, F. Forster, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025oom - 2025-07-25 07:52:10 Lick-3m / KAST (UCSC)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
 ▌PS2_GPC2_w
 ▌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
21651 2025-07-25 07:52:10 Lick-3m / KAST 1800 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025oom_2025-07-25_07-52-10.12_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-15 01:42:03 - 2025-06-27 00:08:38 2460841.570872 - 2460853.506 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502206 2025-06-27 00:08:38 2460853.506 19.03 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
502205 2025-06-15 01:42:03 2460841.570872 19.2 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
w-P1 PS2_GPC2 2025-08-03 06:49:56 - 2025-08-03 06:49:56 2460890.78468 - 2460890.78468 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546467 2025-08-03 06:49:56 2460890.78468 18.21 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-06-19 07:12:48 - 2025-06-21 08:00:00 2460845.8005556 - 2460847.8333333 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497420 2025-06-21 08:00:00 2460847.8333333 20.1321 0.156833 20.619 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
497418 2025-06-19 07:12:48 2460845.8005556 20.6265 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-06-19 05:53:36 - 2025-06-21 05:42:41 2460845.7455556 - 2460847.7379745 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497419 2025-06-21 05:42:41 2460847.7379745 19.8697 0.266635 20.1479 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
499265 2025-06-21 05:42:41 2460847.7379745 19.8697 0.266635 20.1479 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
499264 2025-06-19 05:53:36 2460845.7455556 20.3428 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-24 12:21:03 - 2025-06-24 12:21:03 2460851.01462 - 2460851.01462 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499279 2025-06-24 12:21:03 2460851.01462 19.62 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-29 07:13:25 - 2025-06-29 07:13:25 2460855.80098 - 2460855.80098 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499280 2025-06-29 07:13:25 2460855.80098 18.839 0.144 19.39 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
285182 2025-12-31 15:40:58 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 18:36:31.200 +43:38:53.74 2025-08-03 06:49:56.352 18.21 w-P1 PSN PS25lzp Pan-STARRS N
262326 2025-07-12 20:10:42 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 18:36:31.225 +43:38:53.80 2025-06-27 00:08:38.400 19.03 L-GOTO Other GOTO25esm GOTO N
260541 2025-06-29 22:59:07 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:36:31.182 +43:38:53.48 2025-06-29 07:13:24.672 18.839 orange-ATLAS PSN ATLAS25gpu ATLAS N
260532 2025-06-29 18:15:59 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 18:36:31.215 +43:38:53.88 2025-06-21 05:42:40.997 19.8697 g-ZTF PSN ZTF25aawkwoy ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aawkwoy N
259664 2025-06-21 23:08:45 ALeRCE S. Jurado,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 18:36:31.267 +43:38:53.95 2025-06-21 05:42:40.997 19.8697 g-ZTF PSN ZTF25aawkwoy ZTF Early SN candidate (g-rise > 0.24+-0.13 mag/day, r-rise > 0.24+-0.08 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aawkwoy 2025TNSTR2330....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21651 2025-07-25 22:00:05 Kyle Davis Kyle Davis (UCSC), Ryan Foley (UCSC), Kaylee de Soto (CfA), Alex Gagliano (IAIFI), Luca Izzo (INAF), W.ynn Jacobson-Galan (Caltech), Gautham Narayan (UIUC), V. Ashley Villar (CfA) UCSC SN IIn 0.0266 1 UCSC, YSE We find a blue continuum superimposed with Hydrogen emission lines. Each line profile shows a narrow emission component (FWHM = 670 km/s) atop an intermediate-width P-cygni line with an absorption velocity of -4000 km/s. 2025TNSCR2901....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
21651 2025-07-25 07:52:10 Lick-3m / KAST 1800 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025oom_2025-07-25_07-52-10.12_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Wed, 12/31/2025 - 15:40

Object coordinates updated

Object coordinates updated according to AT-report 285182 of Group Pan-STARRS
Previous RA, DEC: 18:36:31.215, +43:38:53.88 (279.13006395556, +43.648299288889)
Updated RA, DEC: 18:36:31.200, +43:38:53.74 (279.130001396, +43.6482612442)

TNS
System

Sun, 06/29/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 260532 of Group ZTF
Previous RA, DEC: 18:36:31.267, +43:38:53.95 (279.13027739617, +43.648320176638)
Updated RA, DEC: 18:36:31.215, +43:38:53.88 (279.13006395556, +43.648299288889)