RA/DEC (2000)
03:05:51.291 +18:29:55.39
46.463711049343 +18.498718933842
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-08-13 10:39:25.998
TNS AT
Y
Public
Y
Host Name
SDSS J030551.29+182955.2
Discovery Mag
18.8118
Filter
r-ZTF
Reporter/s
S. Jurado, F.E. Bauer, F. Forster, G. Pignata, 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_2025tys - 2025-08-18 10:50:58 P60 / SEDM (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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌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
21812 2025-08-18 10:50:58 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tys_2025-08-18_10-50-58.055772_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-01-07 16:05:31 - 2025-08-28 23:31:26 2460683.1705 - 2460916.48016 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513570 2025-08-28 23:31:26 2460916.48016 19.54 ABMag Clear- LAST_LAST-Cam 400
513569 2025-01-07 16:05:31 2460683.1705 21.85 ABMag Clear- LAST_LAST-Cam 4340 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-08-13 04:33:41 - 2025-08-20 05:20:35 2460900.690059 - 2460907.722629 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510766 2025-08-20 05:20:35 2460907.722629 18.96 0.17 ABMag L-GOTO GOTO-N_GOTO-1 90
510765 2025-08-13 04:33:41 2460900.690059 18.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-13 10:39:26 - 2025-08-13 10:39:26 2460900.9440509 - 2460900.9440509 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509050 2025-08-13 10:39:26 2460900.9440509 18.8118 0.112207 19.8348 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-08-13 11:38:08 - 2025-08-13 11:38:08 2460900.9848148 - 2460900.9848148 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509051 2025-08-13 11:38:08 2460900.9848148 18.9085 0.13106 19.6064 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
268301 2025-08-29 03:38:17 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 03:05:51.270 +18:29:53.48 2025-08-28 23:31:25.824 19.54 Clear- PSN LAST N
266851 2025-08-21 07:21:24 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 03:05:51.301 +18:29:55.87 2025-08-20 05:20:35.232 18.96 L-GOTO Other GOTO25gce GOTO N
265958 2025-08-15 17:51:17 ALeRCE S. Jurado, F.E. Bauer, F. Forster et al. ALeRCE ZTF 03:05:51.291 +18:29:55.39 2025-08-13 10:39:25.998 18.8118 r-ZTF PSN SDSS J030551.29+182955.2 ZTF25abikmhv 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/ZTF25abikmhv 2025TNSTR3205....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
21812 2025-08-18 12:20:23 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.08 1 ZTF 2025TNSCR3271....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
21812 2025-08-18 10:50:58 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025tys_2025-08-18_10-50-58.055772_P60_SEDM_ZTF.ascii Object

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