RA/DEC (2000)
01:42:45.574 -18:09:32.84
25.6898899398 -18.1591215195
Type
SN IIn
Redshift
0.0162
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-08-21 10:01:36.002
TNS AT
Y
Public
Y
Host Name
SDSS J014245.86-180943.9
Discovery Mag
19.9371
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

Spectra

 SN_2025uvo - 2025-12-16 05:02:28 Lick-3m / KAST (ZTF)z=
 SN_2025uvo - 2025-12-16 04:23:23 P60 / SEDM (ZTF)z=
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   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_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 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
22683 2025-12-16 05:02:28 Lick-3m / KAST Christian Tapper (UCLA), Aleksandra Bochenek (LJMU) Zoë McGrath (LJMU) ZTF tns_2025uvo_2025-12-16_05-02-28_Lick-3m_KAST_ZTF.txt Object
22596 2025-12-16 04:23:23 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025uvo_2025-12-16_04-23-23.097209_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-11-25 22:08:53 - 2025-11-25 22:08:53 2461005.422835 - 2461005.422835 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537842 2025-11-25 22:08:53 2461005.422835 19.77 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
w-P1 PS2_GPC2 2025-10-15 09:12:19 - 2025-10-15 09:12:19 2460963.88355 - 2460963.88355 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539961 2025-10-15 09:12:19 2460963.88355 21.52 0.24 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-12-11 03:39:10 - 2025-12-11 03:39:10 2461020.6522 - 2461020.6522 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538730 2025-12-11 03:39:10 2461020.6522 19.13 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-11-17 00:16:56 - 2025-11-17 00:16:56 2460996.511762 - 2460996.511762 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537841 2025-11-17 00:16:56 2460996.511762 20.5 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-21 10:01:36 - 2025-08-21 10:01:36 2460908.9177778 - 2460908.9177778 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511012 2025-08-21 10:01:36 2460908.9177778 19.9371 0.160186 20.2136 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-08-17 11:04:20 - 2025-08-17 11:04:20 2460904.9613426 - 2460904.9613426 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511011 2025-08-17 11:04:20 2460904.9613426 20.1412 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-14 06:49:22 - 2025-12-14 06:49:22 2461023.78428 - 2461023.78428 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538731 2025-12-14 06:49:22 2461023.78428 18.029 0.096 19.35 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
281089 2025-12-18 06:02:12 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:42:45.574 -18:09:32.84 2025-10-15 09:12:18.720 21.52 w-P1 PSN PS25ird Pan-STARRS N
280517 2025-12-14 13:46:37 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 01:42:45.569 -18:09:33.05 2025-12-14 06:49:21.792 18.029 orange-ATLAS PSN ATLAS25pso ATLAS N
280148 2025-12-11 20:37:49 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 01:42:45.551 -18:09:32.67 2025-11-25 22:08:52.512 19.77 L-GOTO Other GOTO25lkj GOTO N
266977 2025-08-21 17:50:16 ALeRCE A. Munoz-Arancibia,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 01:42:45.570 -18:09:32.96 2025-08-21 10:01:36.002 19.9371 r-ZTF PSN SDSS J014245.86-180943.9 ZTF25abgvdwu 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/ZTF25abgvdwu 2025TNSTR3295....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
22682 2025-12-24 18:54:46 Zoë McGrath Jacob Wise (LJMU) Zoë McGrath (LJMU), Aleksandra Bochenek (LJMU), R. Michael Rich (UCLA), Christian Tapper (UCLA) ZTF SN IIn 0.0162 1 ZTF Redshift updated from 0.017 to 0.0162 following acquisition and analysis of spectrum taken by KAST at Lick Observatory on 2025-12-15. The new redshift was measured using host galaxy emission lines. We confirm its classification as a SN IIn. 2025TNSCR5159....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
22683 2025-12-16 05:02:28 Lick-3m / KAST Christian Tapper (UCLA), Aleksandra Bochenek (LJMU) Zoë McGrath (LJMU) ZTF tns_2025uvo_2025-12-16_05-02-28_Lick-3m_KAST_ZTF.txt Object
22595 2025-12-16 05:36:19 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN IIn 0.017 1 ZTF 2025TNSCR5006....1S
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
22596 2025-12-16 04:23:23 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025uvo_2025-12-16_04-23-23.097209_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 281089 of Group Pan-STARRS
Previous RA, DEC: 01:42:45.570, -18:09:32.96 (25.6898768, -18.1591544)
Updated RA, DEC: 01:42:45.574, -18:09:32.84 (25.6898899398, -18.1591215195)