RA/DEC (2000)
00:03:08.468 +15:48:42.19
0.785281673801 +15.81171872
Type
SN IIn
Redshift
0.117637
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-05-08 11:40:56.997
TNS AT
Y
Public
Y
Host Name
[VV2010c] J000308.4+154842
Host Redshift
0.1175
Discovery Mag
18.1412
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, 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_2025kem - 2025-07-08 03:18:41 LT / SPRAT (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
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_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
21499 2025-07-08 03:18:41 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025kem_2025-07-08_03-18-41.147_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-05-26 05:08:17 - 2025-05-26 05:08:17 2460821.714086 - 2460821.714086 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491836 2025-05-26 05:08:17 2460821.714086 18.13 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
w-P1 PS2_GPC2 2025-08-17 10:48:18 - 2025-08-17 10:48:18 2460904.95021 - 2460904.95021 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546466 2025-08-17 10:48:18 2460904.95021 18.37 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-24 09:40:37 - 2025-05-24 09:40:37 2460819.90321 - 2460819.90321 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491250 2025-05-24 09:40:37 2460819.90321 18.029 0.093 18.92 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-01-29 19:55:48 - 2025-01-29 19:55:48 2460705.330425 - 2460705.330425 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491835 2025-01-29 19:55:48 2460705.330425 18.5 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-08 11:40:57 - 2025-05-08 11:54:59 2460803.9867708 - 2460803.9965162 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487472 2025-05-08 11:54:59 2460803.9965162 18.1461 0.104995 18.7802 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
487471 2025-05-08 11:47:58 2460803.9916435 18.1409 0.081053 19.1138 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
487470 2025-05-08 11:40:57 2460803.9867708 18.1412 0.0778988 19.3307 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-21 14:52:58 - 2025-05-21 14:52:58 2460817.12012 - 2460817.12012 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491249 2025-05-21 14:52:58 2460817.12012 16.69 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
285181 2025-12-31 15:40:43 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:03:08.468 +15:48:42.19 2025-08-17 10:48:18.144 18.37 w-P1 PSN PS25lzo Pan-STARRS N
256896 2025-05-27 08:48:11 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 00:03:08.470 +15:48:42.12 2025-05-26 05:08:17.376 18.13 L-GOTO Other GOTO25dde GOTO N
256601 2025-05-25 06:06:31 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:03:08.453 +15:48:42.35 2025-05-24 09:40:37.344 18.029 cyan-ATLAS PSN ATLAS25fkt ATLAS N
254596 2025-05-08 17:49:50 ALeRCE A. Munoz-Arancibia,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 00:03:08.468 +15:48:42.18 2025-05-08 11:40:56.997 18.1412 r-ZTF PSN [VV2010c] J000308.4+154842 ZTF25aapsisw ZTF SN candidate 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/ZTF25aapsisw 2025TNSTR1705....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21499 2025-07-08 14:14:00 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN IIn 0.117637 1 ZTF Spectrum displays broad hydrogen balmer emission, with a lack of significant [OIII], characteristic of a SN IIn. Redshift of z = 0.117637 ± 0.000014 from SDSS DR13. 2025TNSCR2623....1W
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
21499 2025-07-08 03:18:41 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025kem_2025-07-08_03-18-41.147_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Wed, 12/31/2025 - 15:40

Object coordinates updated

Object coordinates updated according to AT-report 285181 of Group Pan-STARRS
Previous RA, DEC: 00:03:08.468, +15:48:42.18 (0.78528339999897, +15.811717533333)
Updated RA, DEC: 00:03:08.468, +15:48:42.19 (0.785281673801, +15.81171872)