RA/DEC (2000)
12:21:04.388 -06:57:49.20
185.268281469 -6.96366797376
Type
SN Ia
Redshift
0.136
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-12-15 11:48:36.999
TNS AT
Y
Public
Y
Host Name
WISEA J122104.38-065749.3
Discovery Mag
19.7557
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Kumar, 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_2025ahck - 2025-12-29 00:00:00 SOAR / Goodman (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-S_GOTO-4_L
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌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
22706 2025-12-29 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025ahck_2025-12-29_00-00-00_SOAR_Goodman_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-12-18 17:39:43 - 2025-12-18 17:39:43 2461028.23592 - 2461028.23592 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540527 2025-12-18 17:39:43 2461028.23592 19.76 0.16 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-2 2025-12-08 05:30:05 - 2025-12-08 05:30:05 2461017.729231 - 2461017.729231 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540526 2025-12-08 05:30:05 2461017.729231 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-12-27 14:06:05 - 2025-12-27 14:06:05 2461037.08756 - 2461037.08756 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545461 2025-12-27 14:06:05 2461037.08756 20.05 0.04 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-12-08 13:20:45 - 2025-12-15 13:02:05 2461018.0560764 - 2461025.0431134 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539383 2025-12-15 13:02:05 2461025.0431134 19.6806 0.193162 20.1164 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
539380 2025-12-08 13:20:45 2461018.0560764 19.7536 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-12-15 11:48:37 - 2025-12-15 12:01:27 2461024.9920949 - 2461025.0010069 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539382 2025-12-15 12:01:27 2461025.0010069 19.9261 0.30331 20.0269 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
539381 2025-12-15 11:48:37 2461024.9920949 19.7557 0.217394 20.2239 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
284216 2025-12-30 21:05:34 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:21:04.388 -06:57:49.20 2025-12-27 14:06:05.184 20.05 w-P1 PSN PS25kru Pan-STARRS N
281359 2025-12-19 08:53:40 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 12:21:04.388 -06:57:49.50 2025-12-18 17:39:43.488 19.76 L-GOTO Other GOTO25lyh GOTO N
280841 2025-12-16 13:11:21 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 12:21:04.387 -06:57:49.51 2025-12-15 11:48:36.999 19.7557 g-ZTF PSN WISEA J122104.38-065749.3 ZTF25achxgfw 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/ZTF25achxgfw 2025TNSTR4996....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
22705 2025-12-30 17:02:06 Jonathan Carney Jonathan Carney (UNC), Igor Andreoni (UNC), Robert Stein (UMD), Erica Hammerstein (UC Berkeley), Ryan Chornock (UC Berkeley) ZTF SN Ia 0.136 1 ZTF Classification and redshift from SNID 2025TNSCR5233....1C
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
22706 2025-12-29 00:00:00 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025ahck_2025-12-29_00-00-00_SOAR_Goodman_ZTF.ascii Object

Comments

TNS
System

Tue, 12/30/2025 - 21:05

Object coordinates updated

Object coordinates updated according to AT-report 284216 of Group Pan-STARRS
Previous RA, DEC: 12:21:04.387, -06:57:49.51 (185.26827983829, -6.963753136815)
Updated RA, DEC: 12:21:04.388, -06:57:49.20 (185.268281469, -6.96366797376)