RA/DEC (2000)
13:32:50.941 -27:03:10.45
203.212255941 -27.052902644
Type
SN II
Redshift
0.038
Discovery ReportClassification Report
Related AstroNotes: 2026-137
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-14 10:22:17.760
TNS AT
Y
Public
Y
Discovery Mag
18.522
Filter
cyan-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_2026mqo - 2026-05-16 01:52:54 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌PS1_GPC1_w
   
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
23732 2026-05-16 01:52:54 ESO-NTT / EFOSC2-NTT 1800 J. Khaulsay,J. Quirola-Vasquez C. Aster ePESSTO+ tns_2026mqo_2026-05-16_01-52-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026mqo_2026-05-16_01-52-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-05-10 10:28:09 - 2026-05-15 10:22:19 2461170.936218 - 2461175.932162 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583587 2026-05-15 10:22:19 2461175.932162 18.53 0.05 ABMag L-GOTO GOTO-S_GOTO-4 135
583586 2026-05-10 10:28:09 2461170.936218 20.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-13 06:32:22 - 2026-05-15 07:02:25 2461173.7724769 - 2461175.7933449 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582788 2026-05-15 07:02:25 2461175.7933449 18.5976 0.13426 ABMag r-ZTF P48_ZTF-Cam
582787 2026-05-13 06:32:22 2461173.7724769 19.6331 0.210495 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-05-12 08:01:29 - 2026-05-12 08:01:29 2461172.8343634 - 2461172.8343634 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582786 2026-05-12 08:01:29 2461172.8343634 19.7345 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-05-13 10:03:33 - 2026-05-14 10:22:18 2461173.91913 - 2461174.93215 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582722 2026-05-14 10:22:18 2461174.93215 18.522 0.102 19.24 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
582721 2026-05-13 10:03:33 2461173.91913 19.29 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2026-05-20 07:52:56 - 2026-05-20 07:52:56 2461180.82843 - 2461180.82843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585198 2026-05-20 07:52:56 2461180.82843 18.29 0.02 22 ABMag w-P1 PS1_GPC1 45 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
305164 2026-05-24 23:44:52 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:32:50.941 -27:03:10.45 2026-05-20 07:52:56.352 18.29 w-P1 PSN PS26blr Pan-STARRS N
304303 2026-05-18 08:30:20 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:32:50.950 -27:03:10.75 2026-05-15 10:22:18.624 18.53 L-GOTO Other GOTO26ewa GOTO N
303845 2026-05-15 09:22:45 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:32:50.969 -27:03:10.45 2026-05-13 06:32:22.004 19.6331 r-ZTF PSN ZTF26aawozaf ZTF N
303814 2026-05-14 21:42:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 13:32:50.933 -27:03:09.96 2026-05-14 10:22:17.760 18.522 cyan-ATLAS PSN ATLAS26fpm ATLAS 2026TNSTR2096....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
23729 2026-05-16 16:17:17 ePESSTOplus_Bot1 J. Khaulsay,J. Quirola-Vasquez, C. Aster, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.038 1 ePESSTO+ 2026TNSCR2134....1K
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
23732 2026-05-16 01:52:54 ESO-NTT / EFOSC2-NTT 1800 J. Khaulsay,J. Quirola-Vasquez C. Aster ePESSTO+ tns_2026mqo_2026-05-16_01-52-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026mqo_2026-05-16_01-52-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sun, 05/24/2026 - 23:44

Object coordinates updated

Object coordinates updated according to AT-report 305164 of Group Pan-STARRS
Previous RA, DEC: 13:32:50.969, -27:03:10.45 (203.21237, -27.0529041)
Updated RA, DEC: 13:32:50.941, -27:03:10.45 (203.212255941, -27.052902644)

TNS
System

Fri, 05/15/2026 - 09:22

Object coordinates updated

Object coordinates updated according to AT-report 303845 of Group ZTF
Previous RA, DEC: 13:32:50.933, -27:03:09.96 (203.21222, -27.0527666667)
Updated RA, DEC: 13:32:50.969, -27:03:10.45 (203.21237, -27.0529041)