RA/DEC (2000)
12:51:38.999 +39:00:04.48
192.9124943 +39.0012458
Type
SN Ia
Redshift
0.035
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-04-07 11:28:40.999
TNS AT
Y
Public
Y
Host Name
SDSS J125139.19+390004.7
Host Redshift
0.03483598
Discovery Mag
18.4104
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, S. Jurado, 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, 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_2025gyt - 2025-04-10 07:57:38 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

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_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
20739 2025-04-10 07:57:38 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025gyt_2025-04-10_07-57-37.747228_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-03-28 00:42:17 - 2025-04-04 01:19:54 2460762.529364 - 2460769.555488 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482286 2025-04-04 01:19:54 2460769.555488 19.44 0.15 ABMag L-GOTO GOTO-N_GOTO-2 180
482285 2025-03-28 00:42:17 2460762.529364 19.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-03-26 08:39:54 - 2025-04-07 11:28:41 2460760.8610417 - 2460772.9782523 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481285 2025-04-07 11:28:41 2460772.9782523 18.4104 0.0797975 20.1473 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
481284 2025-03-26 08:39:54 2460760.8610417 20.9882 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-04-07 07:20:43 - 2025-04-07 07:20:43 2460772.80605 - 2460772.80605 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481308 2025-04-07 07:20:43 2460772.80605 18.447 0.155 18.84 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-06 14:13:50 - 2025-04-06 14:13:50 2460772.09294 - 2460772.09294 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481307 2025-04-06 14:13:50 2460772.09294 19.05 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-Sloan Other_Other 2025-03-31 02:57:07 - 2025-04-17 05:36:58 2460765.623 - 2460782.734 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534208 2025-04-17 05:36:58 2460782.734 0.04 ABMag g-Sloan Other_Other 60 Beichuan Wang [Last non detection]
534209 2025-03-31 02:57:07 2460765.623 18.27 0.06 ABMag g-Sloan Other_Other 60 Beichuan Wang
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
278437 2025-11-27 13:01:38 PSST-XL Beichuan Wang, Xiaohan Chen, Junjie Jin et al. PSST-XL 12:51:38.999 +39:00:04.48 2025-04-22 02:57:07.200 18.27 g-Sloan 1 PSN PSST25gyt A supernova in a near galaxy. N 1
Related files
File Comments Last Modified (UT) Modified By
tns_2025gyt_atrep_278437_PSST-XL.png Discovery image. 2025-11-27 13:01:40 PSST-XL
Auto classification
Algorithm Version Obj. Type Probability Additional Params.
251721 2025-04-16 04:45:53 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 12:51:39.016 +39:00:04.11 2025-04-04 01:19:54.336 19.44 L-GOTO Other GOTO25btn GOTO N
251191 2025-04-07 18:50:53 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 12:51:38.996 +39:00:04.56 2025-04-07 07:20:42.720 18.447 orange-ATLAS PSN ATLAS25dre ATLAS N
251179 2025-04-07 18:14:49 ALeRCE A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al. ALeRCE ZTF 12:51:38.999 +39:00:04.48 2025-04-07 11:28:40.999 18.4104 g-ZTF PSN SDSS J125139.19+390004.7 ZTF25aalvrqu ZTF Early SN candidate (g-rise > 0.21+-0.01 mag/day) 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/ZTF25aalvrqu 2025TNSTR1308....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
20739 2025-04-10 08:49:34 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.035 1 ZTF 2025TNSCR1352....1F
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
20739 2025-04-10 07:57:38 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025gyt_2025-04-10_07-57-37.747228_P60_SEDM_ZTF.ascii Object

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