RA/DEC (2000)
20:41:02.820 +05:37:49.26
310.26174986154 +5.6303493846154
Type
SN Ia
Redshift
0.043
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-15 10:21:20.001
TNS AT
Y
Public
Y
Discovery Mag
20.6424
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_2026nem - 2026-05-21 10:47:59 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
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌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
23797 2026-05-21 10:47:59 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026nem_2026-05-21_10-47-58.510573_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-16 04:45:58 - 2026-05-16 04:45:58 2461176.69859 - 2461176.69859 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584422 2026-05-16 04:45:58 2461176.69859 19.98 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-20 08:07:02 - 2026-05-20 08:07:02 2461180.83822 - 2461180.83822 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584423 2026-05-20 08:07:02 2461180.83822 18.532 0.162 19.54 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
r-ZTF P48_ZTF-Cam 2026-05-13 11:17:27 - 2026-05-14 10:53:44 2461173.9704514 - 2461174.9539815 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587828 2026-05-14 10:53:44 2461174.9539815 20.9166 0.306605 20.6175 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
587827 2026-05-13 11:17:27 2461173.9704514 20.6167 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2026-05-14 11:12:03 - 2026-05-20 09:47:50 2461174.9667014 - 2461180.9082176 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584115 2026-05-20 09:47:50 2461180.9082176 18.6577 0.0827751 ABMag g-ZTF P48_ZTF-Cam
584114 2026-05-15 10:21:20 2461175.9314815 20.6424 0.140067 ABMag g-ZTF P48_ZTF-Cam
584113 2026-05-14 11:12:03 2461174.9667014 20.5439 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
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
306510 2026-05-28 21:48:44 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 20:41:02.820 +05:37:49.26 2026-05-14 10:53:44.002 20.9166 r-ZTF PSN ZTF26aaxnlfv ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaxnlfv N
304807 2026-05-21 17:26:16 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:41:02.814 +05:37:49.41 2026-05-20 08:07:02.208 18.532 cyan-ATLAS PSN ATLAS26gdx ATLAS N
304667 2026-05-20 11:48:15 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:41:02.813 +05:37:49.26 2026-05-15 10:21:20.001 20.6424 g-ZTF PSN ZTF26aaxnlfv ZTF 2026TNSTR2198....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
23793 2026-05-21 11:42:59 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 0.043 1 ZTF 2026TNSCR2219....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
23797 2026-05-21 10:47:59 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026nem_2026-05-21_10-47-58.510573_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 05/28/2026 - 21:48

Object coordinates updated

Object coordinates updated according to AT-report 306510 of Group ZTF
Previous RA, DEC: 20:41:02.813, +05:37:49.26 (310.2617223, +5.6303504)
Updated RA, DEC: 20:41:02.820, +05:37:49.26 (310.26174986154, +5.6303493846154)