RA/DEC (2000)
02:05:05.460 +03:40:13.45
31.2727510487 +3.67040252673
Type
SN Ia
Redshift
0.146
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-10-01 07:35:06.003
TNS AT
Y
Public
Y
Host Name
SDSS J020505.44+034013.2
Discovery Mag
20.4271
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_2025zjk - 2025-10-10 04:05:41 SOAR / Goodman (ZTF)z=
Show H at z=vexp= km/s
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Show O VI at z=vexp= km/s
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Show Si II at z=vexp= km/s
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Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-TDO_ATLAS-05_wide
 GOTO-N_GOTO-2_L
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 PS1_GPC1_w
   
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
22184 2025-10-10 04:05:41 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025zjk_2025-10-10_04-05-41_SOAR_Goodman_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-11 02:19:39 - 2025-10-12 01:27:25 2460959.59698 - 2460960.56071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524069 2025-10-12 01:27:25 2460960.56071 19.095 0.087 19.76 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
524068 2025-10-11 02:19:39 2460959.59698 19.41 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-30 00:48:01 - 2025-09-30 00:48:01 2460948.533354 - 2460948.533354 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524117 2025-09-30 00:48:01 2460948.533354 19.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-10-14 04:03:03 - 2025-10-14 04:03:03 2460962.668789 - 2460962.668789 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524118 2025-10-14 04:03:03 2460962.668789 19.43 0.11 ABMag L-GOTO GOTO-N_GOTO-1 360
r-ZTF P48_ZTF-Cam 2025-09-26 08:26:45 - 2025-10-01 07:35:06 2460944.8519097 - 2460949.8160417 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521733 2025-10-01 07:35:06 2460949.8160417 20.4271 0.234372 20.4091 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
521732 2025-09-26 08:26:45 2460944.8519097 20.4628 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-10-01 09:07:48 - 2025-10-01 09:07:48 2460949.8804167 - 2460949.8804167 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521734 2025-10-01 09:07:48 2460949.8804167 20.1801 0.168752 20.5147 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
w-P1 PS1_GPC1 2025-09-28 10:59:45 - 2025-09-28 10:59:45 2460946.95816 - 2460946.95816 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523179 2025-09-28 10:59:45 2460946.95816 21.3 0.17 22 ABMag w-P1 PS1_GPC1 45 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
273494 2025-10-15 17:48:21 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 02:05:05.472 +03:40:13.36 2025-10-14 04:03:03.456 19.43 L-GOTO Other GOTO25inm GOTO N
273468 2025-10-15 12:52:07 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 02:05:05.452 +03:40:13.40 2025-10-12 01:27:25.344 19.095 wide-ATLAS PSN ATLAS25mso ATLAS N
273031 2025-10-12 14:22:07 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 02:05:05.460 +03:40:13.45 2025-09-28 10:59:45.024 21.3 w-P1 PSN PS25ibw Pan-STARRS N
272256 2025-10-01 20:06:09 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 02:05:05.450 +03:40:13.46 2025-10-01 07:35:06.003 20.4271 r-ZTF PSN SDSS J020505.44+034013.2 ZTF25abuuyrd 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/ZTF25abuuyrd 2025TNSTR3941....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
22184 2025-10-10 18:16:31 Jonathan Carney Jonathan Carney (UNC), Igor Andreoni (UNC), Robert Stein (UMD), Erica Hammerstein (UC Berkeley), Ryan Chornock (UC Berkeley) ZTF SN Ia 0.146 1 ZTF Classification and redshift from SNID. 2025TNSCR4065....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
22184 2025-10-10 04:05:41 SOAR / Goodman Jonathan Carney (UNC), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025zjk_2025-10-10_04-05-41_SOAR_Goodman_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 273031 of Group Pan-STARRS
Previous RA, DEC: 02:05:05.450, +03:40:13.46 (31.272709662881, +3.670404825766)
Updated RA, DEC: 02:05:05.460, +03:40:13.45 (31.2727510487, +3.67040252673)