RA/DEC (2000)
23:43:55.760 +14:17:38.83
355.9823327 +14.2941192
Type
SN Ia
Redshift
0.092
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-21 18:32:58.560
TNS AT
Y
Public
Y
Discovery Mag
19.53
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025ono - 2025-07-28 14:39:09 Keck1 / LRIS (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-3_L
 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_orange
   
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
21661 2025-07-28 14:39:09 Keck1 / LRIS 300 Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025ono_2025-07-28_14-39-09_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-06-16 19:04:35 - 2025-06-21 18:32:59 2460843.294854 - 2460848.272897 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497351 2025-06-21 18:32:59 2460848.272897 19.53 0.13 ABMag L-GOTO GOTO-S_GOTO-3 180
497350 2025-06-16 19:04:35 2460843.294854 18.5 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-06-17 10:29:34 - 2025-06-25 08:43:08 2460843.9371991 - 2460851.863287 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498065 2025-06-25 08:43:08 2460851.863287 19.3058 0.13369 ABMag r-ZTF P48_ZTF-Cam
498064 2025-06-20 10:15:10 2460846.9271991 20.1199 0.164003 ABMag r-ZTF P48_ZTF-Cam
498063 2025-06-17 10:29:34 2460843.9371991 19.785 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-23 14:00:52 - 2025-06-30 12:20:44 2460850.08394 - 2460857.0144 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499736 2025-06-30 12:20:44 2460857.0144 19.119 0.153 19.38 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
499735 2025-06-23 14:00:52 2460850.08394 19.46 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
260806 2025-07-01 07:29:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:43:55.775 +14:17:38.79 2025-06-30 12:20:44.160 19.119 orange-ATLAS PSN ATLAS25gse ATLAS N
259987 2025-06-25 12:22:18 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:43:55.760 +14:17:38.83 2025-06-20 10:15:10.002 20.1199 r-ZTF PSN ZTF25aaxjzpf ZTF N
259631 2025-06-21 20:54:43 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 23:43:55.790 +14:17:38.93 2025-06-21 18:32:58.560 19.53 L-GOTO Other GOTO25dzr GOTO 2025TNSTR2333....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21661 2025-07-28 21:39:59 ZTF_Bot1 R. Stein, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.092 1 ZTF 2025TNSCR2963....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
21661 2025-07-28 14:39:09 Keck1 / LRIS 300 Wynn Jacobson-Galán Wynn Jacobson-Galán ZTF tns_2025ono_2025-07-28_14-39-09_Keck1_LRIS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 259987 of Group ZTF
Previous RA, DEC: 23:43:55.790, +14:17:38.93 (355.98246, +14.294148)
Updated RA, DEC: 23:43:55.760, +14:17:38.83 (355.9823327, +14.2941192)