RA/DEC (2000)
16:21:12.205 +57:37:51.17
245.3008542 +57.6308793
Type
SN Ia
Redshift
Discovery ReportClassification Report
Related AstroNotes: 2026-261
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-09-01 06:35:40.128
TNS AT
Y
Public
Y
Host Name
PGC2569029
Comments
[Object cross-matched with PGC2569029]
Discovery Mag
18.457
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, J. Weston, X. Sheng, C. R. Angus, D. Magill, A. J. Smith, L. Shingles (QUB), A. Aamer (Arizona), P. Ramsden (Birmingham/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), T. Moore, A. Rest (STScI), T.-W. Chen (NCU), C. Deasy-Millar (TCD), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026aafh - 2026-09-02 03:23:00 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),

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
   
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
24614 2026-09-02 03:23:00 P60 / SEDM SEDM ZTF tns_2026aafh_2026-09-02_03-23-00_P60_SEDM_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2026-09-03 03:49:34 - 2026-09-03 03:49:34 2461286.6594213 - 2461286.6594213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616067 2026-09-03 03:49:34 2461286.6594213 17.5027 0.0432735 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-08-30 07:12:44 - 2026-09-03 04:21:28 2461282.8005093 - 2461286.6815741 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616068 2026-09-03 04:21:28 2461286.6815741 17.5236 0.0434276 ABMag g-ZTF P48_ZTF-Cam
616066 2026-08-30 07:12:44 2461282.8005093 19.2912 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-08-31 06:45:50 - 2026-09-01 06:35:40 2461283.78183 - 2461284.77477 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
615747 2026-09-01 06:35:40 2461284.77477 18.457 0.154 19.5 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
615746 2026-08-31 06:45:50 2461283.78183 19.22 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [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
322086 2026-09-03 06:14:43 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:21:12.205 +57:37:51.17 2026-09-03 03:49:34.000 17.5027 r-ZTF PSN ZTF26abrvdps ZTF N
321918 2026-09-01 16:54:09 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:21:12.263 +57:37:51.19 2026-09-01 06:35:40.128 18.457 orange-ATLAS PSN ATLAS26krm ATLAS 2026TNSTR3524....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24606 2026-09-02 15:37:37 Wynn Jacobson-Galan Wynn Jacobson-Galan (Caltech), Jesper Sollerman (OKC) ZTF SN Ia 1 ZTF 2026TNSCR3552....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
24614 2026-09-02 03:23:00 P60 / SEDM SEDM ZTF tns_2026aafh_2026-09-02_03-23-00_P60_SEDM_ZTF.txt Object

Comments

TNS
System

Thu, 09/03/2026 - 06:14

Object coordinates updated

Object coordinates updated according to AT-report 322086 of Group ZTF
Previous RA, DEC: 16:21:12.263, +57:37:51.19 (245.301095, +57.630885)
Updated RA, DEC: 16:21:12.205, +57:37:51.17 (245.3008542, +57.6308793)