RA/DEC (2000)
17:08:42.935 +04:03:05.80
257.1788946 +4.0516119
Type
SN Ic-BL
Redshift
0.022452
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-19 13:14:37.248
TNS AT
Y
Public
Y
Discovery Mag
19.77
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, 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_2025ocy - 2025-06-28 00:00:00 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
 ATLAS-CHL_ATLAS-04_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 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
21439 2025-06-28 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Wynn Jacobson-Galán Kaustav Kashyap Das ZTF tns_2025ocy_2025-06-28_00-00-00_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-06-19 13:14:37 - 2025-06-19 13:14:37 2460846.051825 - 2460846.051825 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496604 2025-06-19 13:14:37 2460846.051825 19.77 0.15 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-21 06:00:19 - 2025-06-21 06:00:19 2460847.75022 - 2460847.75022 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498276 2025-06-21 06:00:19 2460847.75022 18.99 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-06-18 23:52:05 - 2025-06-18 23:52:05 2460845.494501 - 2460845.494501 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496603 2025-06-18 23:52:05 2460845.494501 19.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-06-18 08:35:17 - 2025-06-20 08:33:15 2460844.8578356 - 2460846.8564236 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496670 2025-06-20 08:33:15 2460846.8564236 18.7144 0.0791305 ABMag r-ZTF P48_ZTF-Cam
496668 2025-06-18 08:35:17 2460844.8578356 20.6103 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-06-20 07:05:40 - 2025-06-20 07:05:40 2460846.7956019 - 2460846.7956019 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496669 2025-06-20 07:05:40 2460846.7956019 19.1829 0.0973392 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-22 07:42:06 - 2025-06-22 07:42:06 2460848.8209 - 2460848.8209 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498277 2025-06-22 07:42:06 2460848.8209 18.275 0.1 19.42 ABMag orange-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
260065 2025-06-25 20:50:43 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 17:08:42.922 +04:03:05.57 2025-06-22 07:42:05.760 18.275 orange-ATLAS PSN ATLAS25gly ATLAS N
259277 2025-06-20 09:44:28 Fritz K-Ryan Hinds (LJMU),Daniel Perley (LJMU),Christoffer Fremling (Caltech) et al. ZTF ZTF 17:08:42.935 +04:03:05.80 2025-06-20 07:05:40.004 19.1829 g-ZTF PSN ZTF25aawaobl ZTF N
259251 2025-06-20 06:42:26 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 17:08:42.966 +04:03:05.80 2025-06-19 13:14:37.248 19.77 L-GOTO Other GOTO25dsx GOTO 2025TNSTR2311....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
21439 2025-06-30 17:12:48 ZTF_Bot1 K. Das, S. Covarrubias, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN Ic-BL 0.022452 1 ZTF 2025TNSCR2503....1D
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
21439 2025-06-28 00:00:00 Keck1 / LRIS 300 Kaustav Kashyap Das, Wynn Jacobson-Galán Kaustav Kashyap Das ZTF tns_2025ocy_2025-06-28_00-00-00_Keck1_LRIS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 259277 of Group ZTF
Previous RA, DEC: 17:08:42.966, +04:03:05.80 (257.179024, +4.051611)
Updated RA, DEC: 17:08:42.935, +04:03:05.80 (257.1788946, +4.0516119)