RA/DEC (2000)
13:49:05.911 +00:30:17.32
207.27462925455 +0.50481150909091
Type
SN Ia
Redshift
0.101
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-23 07:35:41.997
TNS AT
Y
Public
Y
Discovery Mag
19.9079
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_2026krb - 2026-05-09 06:51:39 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-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_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
23679 2026-05-09 06:51:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026krb_2026-05-09_06-51-39.155254_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-09 01:52:13 - 2026-05-10 00:58:29 2461169.57793 - 2461170.54061 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580862 2026-05-10 00:58:29 2461170.54061 18.714 0.079 19.61 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
580861 2026-05-09 01:52:13 2461169.57793 18.57 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-4 2026-04-21 13:33:49 - 2026-04-21 13:33:49 2461152.065153 - 2461152.065153 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578138 2026-04-21 13:33:49 2461152.065153 20.2 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-04-22 11:20:42 - 2026-04-22 11:20:42 2461152.972708 - 2461152.972708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578139 2026-04-22 11:20:42 2461152.972708 20.27 0.21 ABMag L-GOTO GOTO-S_GOTO-3 180
r-ZTF P48_ZTF-Cam 2026-04-21 08:41:39 - 2026-04-21 08:41:39 2461151.8622569 - 2461151.8622569 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577803 2026-04-21 08:41:39 2461151.8622569 20.0444 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-20 07:32:14 - 2026-04-25 07:50:13 2461150.8140509 - 2461155.8265394 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577805 2026-04-25 07:50:13 2461155.8265394 19.5046 0.190676 ABMag g-ZTF P48_ZTF-Cam
577804 2026-04-23 07:35:42 2461153.8164583 19.9079 0.200436 ABMag g-ZTF P48_ZTF-Cam
580671 2026-04-23 07:35:42 2461153.8164583 19.9079 0.200436 20.189 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
580670 2026-04-20 07:32:14 2461150.8140509 20.4739 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
302907 2026-05-10 10:05:38 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:49:05.891 +00:30:17.29 2026-05-10 00:58:28.704 18.714 wide-ATLAS PSN ATLAS26fip ATLAS N
302814 2026-05-09 18:48:48 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 13:49:05.911 +00:30:17.32 2026-04-23 07:35:41.997 19.9079 g-ZTF PSN ZTF26aatweku ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aatweku N
301571 2026-04-26 12:42:02 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 13:49:05.889 +00:30:17.15 2026-04-22 11:20:42.144 20.27 L-GOTO Other GOTO26dzq GOTO N
301396 2026-04-25 09:22:17 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:49:05.934 +00:30:17.12 2026-04-23 07:35:41.997 19.9079 g-ZTF PSN ZTF26aatweku ZTF 2026TNSTR1828....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
23676 2026-05-09 07:50:26 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.101 1 ZTF 2026TNSCR2018....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
23679 2026-05-09 06:51:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026krb_2026-05-09_06-51-39.155254_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 05/09/2026 - 18:48

Object coordinates updated

Object coordinates updated according to AT-report 302814 of Group ZTF
Previous RA, DEC: 13:49:05.934, +00:30:17.12 (207.2747238, +0.5047563)
Updated RA, DEC: 13:49:05.911, +00:30:17.32 (207.27462925455, +0.50481150909091)