RA/DEC (2000)
09:07:24.047 +12:24:11.80
136.850195 +12.403277
Type
SN Ia
Redshift
0.087
Discovery ReportClassification Report
Related AstroNotes: 2026-129
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-27 10:10:30.144
TNS AT
Y
Public
Y
Discovery Mag
18.6
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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026kyp - 2026-05-07 21:36:29 NOT / ALFOSC (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-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_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
23670 2026-05-07 21:36:29 NOT / ALFOSC 900 Astrid Lind Bouquin Anjasha Gangopadhyay ZTF tns_2026kyp_2461168.40034_NOT_ALFOSC_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-02 23:13:57 - 2026-05-03 20:53:49 2461163.46802 - 2461164.37071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579450 2026-05-03 20:53:49 2461164.37071 18.313 0.107 19.87 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
579449 2026-05-02 23:13:57 2461163.46802 18.42 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-04-27 10:10:30 - 2026-04-27 10:10:30 2461157.923964 - 2461157.923964 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578535 2026-04-27 10:10:30 2461157.923964 18.6 0.09 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-1 2026-04-15 20:48:02 - 2026-04-15 20:48:02 2461146.366691 - 2461146.366691 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578534 2026-04-15 20:48:02 2461146.366691 19.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-17 06:53:20 - 2026-04-29 05:41:19 2461147.787037 - 2461159.7370255 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578801 2026-04-29 05:41:19 2461159.7370255 18.6719 0.104726 ABMag r-ZTF P48_ZTF-Cam
578799 2026-04-17 06:53:20 2461147.787037 20.1764 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-19 04:28:56 - 2026-04-19 04:28:56 2461149.6867593 - 2461149.6867593 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578800 2026-04-19 04:28:56 2461149.6867593 20.2374 0.152851 ABMag g-ZTF P48_ZTF-Cam
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
302254 2026-05-04 09:51:30 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:07:24.069 +12:24:11.82 2026-05-03 20:53:49.344 18.313 wide-ATLAS PSN ATLAS26fcu ATLAS N
301925 2026-04-29 06:30:53 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:07:24.047 +12:24:11.80 2026-04-19 04:28:56.003 20.2374 g-ZTF PSN ZTF26aatidrh ZTF N
301784 2026-04-27 23:06:31 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 09:07:24.068 +12:24:11.72 2026-04-27 10:10:30.144 18.6 L-GOTO Other GOTO26ebj GOTO 2026TNSTR1841....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
23667 2026-05-08 13:41:21 Ragnhild Lunnan Ragnhild Lunnan, Anjasha Gangopadhyay, Avinash Singh, Yang Hu ZTF SN Ia 0.087 1 ZTF Matches with a Type Ia SN2008bf around maximum using SNID-SAGE. Redshift and Phase are derived from SNID-SAGE. 2026TNSCR2002....1L
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
23670 2026-05-07 21:36:29 NOT / ALFOSC 900 Astrid Lind Bouquin Anjasha Gangopadhyay ZTF tns_2026kyp_2461168.40034_NOT_ALFOSC_ZTF.ascii Object

Comments

TNS
System

Wed, 04/29/2026 - 06:30

Object coordinates updated

Object coordinates updated according to AT-report 301925 of Group ZTF
Previous RA, DEC: 09:07:24.068, +12:24:11.72 (136.850284, +12.403256)
Updated RA, DEC: 09:07:24.047, +12:24:11.80 (136.850195, +12.403277)