RA/DEC (2000)
14:58:01.072 +05:27:46.77
224.50446799167 +5.4629909083333
Type
SN Ia
Redshift
0.05874
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-04-23 08:51:44.997
TNS AT
Y
Public
Y
Discovery Mag
20.0416
Filter
i-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026krc - 2026-04-28 08:16:23 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_i
 ▌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
23576 2026-04-28 08:16:23 P60 / SEDM 2700 SEDmRobot ZTF tns_2026krc_2026-04-28_08-16-22.721350_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-04 01:49:29 - 2026-05-23 21:08:03 2460373.57603 - 2461184.38059 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587888 2026-05-23 21:08:03 2461184.38059 18.9 ABMag Clear- LAST_LAST-Cam 400
587887 2024-03-04 01:49:29 2460373.57603 21.33 ABMag Clear- LAST_LAST-Cam 8720 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-04-22 00:44:56 - 2026-04-23 01:14:51 2461152.531197 - 2461153.551977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577833 2026-04-23 01:14:51 2461153.551977 19.71 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
577832 2026-04-22 00:44:56 2461152.531197 19.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2026-04-07 06:21:16 - 2026-05-05 03:03:08 2461137.7647685 - 2461165.6271759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579801 2026-05-05 03:03:08 2461165.6271759 17.95 0.05 19.66 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
579800 2026-04-07 06:21:16 2461137.7647685 19.47 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-23 08:51:45 - 2026-04-23 08:51:45 2461153.8692708 - 2461153.8692708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577807 2026-04-23 08:51:45 2461153.8692708 20.0416 0.142709 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-04-21 09:25:23 - 2026-04-23 09:32:13 2461151.8926273 - 2461153.8973727 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577818 2026-04-23 09:32:13 2461153.8973727 20.364 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
577806 2026-04-21 09:25:23 2461151.8926273 20.3823 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-04-21 07:38:30 - 2026-04-25 07:35:41 2461151.8184028 - 2461155.8164468 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577808 2026-04-25 07:35:41 2461155.8164468 19.2087 0.14532 ABMag g-ZTF P48_ZTF-Cam
579191 2026-04-24 07:50:26 2461154.8266898 19.5336 0.154418 20.3758 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
577819 2026-04-24 07:50:25 2461154.8266782 19.534 0.154 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
579190 2026-04-21 07:38:30 2461151.8184028 20.0235 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
306541 2026-05-29 10:57:32 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 14:58:01.102 +05:27:46.68 2026-05-23 21:08:02.976 18.9 Clear- PSN LAST N
302445 2026-05-06 07:25:08 BlackGEM_Bot1 L. Landsberg, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 14:58:01.061 +05:27:46.58 2026-05-05 03:03:08.000 17.95 BG-q-BlackGem PSN BGEM J145801.06+052746.6 BlackGEM N
302116 2026-05-01 18:44:38 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 14:58:01.072 +05:27:46.77 2026-04-24 07:50:25.999 19.5336 g-ZTF PSN ZTF26aaubove ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaubove N
301408 2026-04-25 10:17:41 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 14:58:01.056 +05:27:46.30 2026-04-23 01:14:51.072 19.71 L-GOTO Other GOTO26dvh GOTO N
301401 2026-04-25 09:26:26 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia et al. SGLF ZTF 14:58:01.071 +05:27:46.82 2026-04-24 07:50:25.000 19.534 g-ZTF PSN SDSS J145800.94+052750.8 ZTF26aaubove ZTF SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF26aaubove/ https://alerce.online/object/ZTF26aaubove N
301397 2026-04-25 09:22:26 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:58:01.071 +05:27:46.83 2026-04-23 08:51:44.997 20.0416 i-ZTF PSN ZTF26aaubove 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
23573 2026-04-28 22:29:19 ZTF_Bot1 J. Johansson, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration ZTF SN Ia 0.05874 1 ZTF 2026TNSCR1867....1J
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
23576 2026-04-28 08:16:23 P60 / SEDM 2700 SEDmRobot ZTF tns_2026krc_2026-04-28_08-16-22.721350_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 05/01/2026 - 18:44

Object coordinates updated

Object coordinates updated according to AT-report 302116 of Group ZTF
Previous RA, DEC: 14:58:01.071, +05:27:46.82 (224.504462, +5.463006)
Updated RA, DEC: 14:58:01.072, +05:27:46.77 (224.50446799167, +5.4629909083333)

TNS
System

Sat, 04/25/2026 - 09:26

Object coordinates updated

Object coordinates updated according to AT-report 301401 of Group ZTF
Previous RA, DEC: 14:58:01.071, +05:27:46.83 (224.5044605, +5.463007)
Updated RA, DEC: 14:58:01.071, +05:27:46.82 (224.504462, +5.463006)