RA/DEC (2000)
20:35:03.312 -21:48:16.67
308.7638007 -21.8046315
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-17 13:33:54.144
TNS AT
Y
Public
Y
Discovery Mag
19.173
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, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026mzl - 2026-05-22 12:31:23 UH88 / SNIFS (SCAT)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

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_i
 ▌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
23805 2026-05-22 12:31:23 UH88 / SNIFS 1800 Tucker SCAT tns_2026mzl_2026-05-22_12-31-23_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-04-26 19:07:43 - 2026-05-20 18:57:14 2461157.297025 - 2461181.289749 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584260 2026-05-20 18:57:14 2461181.289749 18.57 0.06 ABMag L-GOTO GOTO-S_GOTO-4 180
584259 2026-04-26 19:07:43 2461157.297025 20.1 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-05-16 02:01:16 - 2026-05-16 02:01:16 2461176.58421 - 2461176.58421 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583637 2026-05-16 02:01:16 2461176.58421 19.46 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-26 11:00:56 - 2026-05-26 11:00:56 2461186.9589815 - 2461186.9589815 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591286 2026-05-26 11:00:56 2461186.9589815 18.9365 0.190144 ABMag i-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-06-12 10:03:23 - 2026-06-12 10:03:23 2461203.9190162 - 2461203.9190162 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
591287 2026-06-12 10:03:23 2461203.9190162 19.4773 0.144925 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-17 13:33:54 - 2026-05-17 13:33:54 2461178.06521 - 2461178.06521 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583638 2026-05-17 13:33:54 2461178.06521 19.173 0.189 19.3 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
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
308219 2026-06-12 10:44:50 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 20:35:03.312 -21:48:16.67 2026-05-26 11:00:56.001 18.9365 i-ZTF PSN ZTF26aayulvb ZTF N
304736 2026-05-20 23:18:22 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 20:35:03.333 -21:48:16.61 2026-05-20 18:57:14.400 18.57 L-GOTO Other GOTO26ezn GOTO N
304435 2026-05-18 17:42:27 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:35:03.330 -21:48:16.33 2026-05-17 13:33:54.144 19.173 orange-ATLAS PSN ATLAS26fyc ATLAS 2026TNSTR2155....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
23801 2026-05-22 18:51:07 Michael Tucker M. A. Tucker (CCAPP/OSU) on behalf of SCAT SCAT SN Ia 0.08 1 SCAT Redshift estimated with snid-sage (Stoppa & Smartt, 2026). 2026TNSCR2237....1T
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
23805 2026-05-22 12:31:23 UH88 / SNIFS 1800 Tucker SCAT tns_2026mzl_2026-05-22_12-31-23_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Fri, 06/12/2026 - 10:44

Object coordinates updated

Object coordinates updated according to AT-report 308219 of Group ZTF
Previous RA, DEC: 20:35:03.330, -21:48:16.33 (308.763876667, -21.8045366667)
Updated RA, DEC: 20:35:03.312, -21:48:16.67 (308.7638007, -21.8046315)