RA/DEC (2000)
16:34:20.199 +31:18:13.19
248.584163406 +31.3036633954
Type
SN IIn
Redshift
0.085
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-06-07 00:36:36.288
TNS AT
Y
Public
Y
Discovery Mag
19.86
Filter
L-GOTO
Reporter/s
M. Kennedy, 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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026omh - 2026-07-02 07:33:43 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌WFST_WFST-WFC_r
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_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
24219 2026-07-02 07:33:43 P60 / SEDM 2700 SEDmRobot ZTF tns_2026omh_2026-07-02_07-33-42.815183_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-06-11 00:31:02 - 2026-06-11 00:31:02 2461202.52155 - 2461202.52155 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590946 2026-06-11 00:31:02 2461202.52155 19.356 0.195 20.3 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
r-WFST WFST_WFST-WFC 2026-05-11 20:54:14 - 2026-05-25 19:56:38 2461172.371 - 2461186.331 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591965 2026-05-25 19:56:38 2461186.331 21.61 0.11 ABMag r-WFST WFST_WFST-WFC 30
591964 2026-05-11 20:54:14 2461172.371 22.46 ABMag r-WFST WFST_WFST-WFC 30 [Last non detection]
Clear- LAST_LAST-Cam 2026-06-05 21:28:50 - 2026-06-09 20:04:40 2461197.39502 - 2461201.33657 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590691 2026-06-09 20:04:40 2461201.33657 19.96 ABMag Clear- LAST_LAST-Cam 400
590690 2026-06-05 21:28:50 2461197.39502 20.39 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2026-06-07 00:04:50 - 2026-06-07 00:04:50 2461198.503355 - 2461198.503355 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589618 2026-06-07 00:04:50 2461198.503355 20 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-06-07 00:36:36 - 2026-06-07 00:36:36 2461198.525418 - 2461198.525418 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
589619 2026-06-07 00:36:36 2461198.525418 19.86 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2026-06-04 08:49:08 - 2026-06-04 08:49:08 2461195.8674537 - 2461195.8674537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590951 2026-06-04 08:49:08 2461195.8674537 19.9343 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-06-04 09:50:23 - 2026-06-11 06:47:58 2461195.9099884 - 2461202.7833102 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590953 2026-06-11 06:47:58 2461202.7833102 19.5323 0.129302 ABMag g-ZTF P48_ZTF-Cam
590952 2026-06-04 09:50:23 2461195.9099884 20.5039 0.203747 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-06-09 10:18:06 - 2026-06-09 10:18:06 2461200.92924 - 2461200.92924 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590945 2026-06-09 10:18:06 2461200.92924 19.31 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-P1 PS1_GPC1 2026-06-08 09:24:49 - 2026-06-08 09:24:49 2461199.89223 - 2461199.89223 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
590192 2026-06-08 09:24:49 2461199.89223 19.81 0.21 21 ABMag g-P1 PS1_GPC1 27 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
308544 2026-06-15 15:15:49 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 16:34:20.220 +31:18:13.20 2026-05-25 19:56:38.400 21.61 r-WFST PSN WFST260525ahnkn WFST N
308054 2026-06-11 09:51:02 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:34:20.211 +31:18:13.13 2026-06-04 09:50:22.997 20.5039 g-ZTF PSN ZTF26aazvnvn ZTF N
308051 2026-06-11 09:39:15 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:34:20.243 +31:18:13.09 2026-06-11 00:31:01.920 19.356 wide-ATLAS PSN ATLAS26hbf ATLAS N
307913 2026-06-10 00:08:24 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 16:34:20.167 +31:18:12.80 2026-06-09 20:04:39.648 19.96 Clear- PSN LAST N
307659 2026-06-08 16:54:05 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 16:34:20.199 +31:18:13.19 2026-06-08 09:24:48.672 19.81 g-P1 PSN PS26bsq Pan-STARRS N
307387 2026-06-07 21:42:30 GOTO_bot M. Kennedy, D. O'Neill, K. Ackley et al. GOTO GOTO 16:34:20.243 +31:18:13.19 2026-06-07 00:36:36.288 19.86 L-GOTO Other GOTO26fku GOTO 2026TNSTR2376....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24213 2026-07-09 22:53:31 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN IIn 0.085 1 ZTF
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
24219 2026-07-02 07:33:43 P60 / SEDM 2700 SEDmRobot ZTF tns_2026omh_2026-07-02_07-33-42.815183_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 06/08/2026 - 16:54

Object coordinates updated

Object coordinates updated according to AT-report 307659 of Group Pan-STARRS
Previous RA, DEC: 16:34:20.243, +31:18:13.19 (248.584344, +31.303665)
Updated RA, DEC: 16:34:20.199, +31:18:13.19 (248.584163406, +31.3036633954)