RA/DEC (2000)
17:14:54.828 +35:30:57.21
258.728449094 +35.5158907262
Type
SN Ia
Redshift
0.037376
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-20 03:21:04.999
TNS AT
Y
Public
Y
Discovery Mag
20.799
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ydd - 2025-10-05 03:30:01 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_y
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
22155 2025-10-05 03:30:01 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025ydd_2025-10-05_03-30-00.698561_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-21 22:35:37 - 2025-09-21 22:35:37 2460940.4414 - 2460940.4414 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519280 2025-09-21 22:35:37 2460940.4414 19.41 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-16 20:45:07 - 2025-11-03 19:26:16 2460935.364661 - 2460983.309908 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528703 2025-11-03 19:26:16 2460983.309908 18.03 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
528702 2025-09-16 20:45:07 2460935.364661 19.5 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
y-P1 PS2_GPC2 2025-10-15 04:59:45 - 2025-10-15 04:59:45 2460963.70816 - 2460963.70816 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524151 2025-10-15 04:59:45 2460963.70816 17.93 0.06 18.3 ABMag y-P1 PS2_GPC2 120 Robot
r-ZTF P48_ZTF-Cam 2025-09-21 05:17:58 - 2025-09-21 05:17:58 2460939.7208102 - 2460939.7208102 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518824 2025-09-21 05:17:58 2460939.7208102 19.7794 0.146119 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-20 03:19:43 - 2025-09-20 03:21:05 2460938.6386921 - 2460938.6396412 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518823 2025-09-20 03:21:05 2460938.6396412 20.799 0.169311 ABMag g-ZTF P48_ZTF-Cam
518822 2025-09-20 03:19:43 2460938.6386921 20.5668 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-09-23 06:05:12 - 2025-09-23 06:05:12 2460941.75361 - 2460941.75361 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519281 2025-09-23 06:05:12 2460941.75361 18.654 0.086 19.52 ABMag cyan-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
275608 2025-11-03 19:56:21 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 17:14:54.839 +35:30:57.68 2025-11-03 19:26:16.224 18.03 L-GOTO Other GOTO25joi GOTO N
273512 2025-10-16 00:28:33 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 17:14:54.828 +35:30:57.21 2025-10-15 04:59:45.024 17.93 y-P1 PSN PS25iej Pan-STARRS N
271004 2025-09-23 08:50:23 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 17:14:54.839 +35:30:57.50 2025-09-23 06:05:11.904 18.654 cyan-ATLAS PSN ATLAS25lvo ATLAS N
270812 2025-09-21 05:59:11 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 17:14:54.826 +35:30:57.34 2025-09-20 03:21:04.999 20.799 g-ZTF PSN ZTF25abskgbv ZTF 2025TNSTR3798....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22155 2025-10-05 04:14:23 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 0.037376 1 ZTF 2025TNSCR4016....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
22155 2025-10-05 03:30:01 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025ydd_2025-10-05_03-30-00.698561_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 10/16/2025 - 00:28

Object coordinates updated

Object coordinates updated according to AT-report 273512 of Group Pan-STARRS
Previous RA, DEC: 17:14:54.826, +35:30:57.34 (258.7284421, +35.5159285)
Updated RA, DEC: 17:14:54.828, +35:30:57.21 (258.728449094, +35.5158907262)