RA/DEC (2000)
23:27:27.505 -35:48:44.27
351.864604 -35.812296
Type
SN Ia
Redshift
0.0921
Discovery ReportClassification Report
Related AstroNotes: 2026-270
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-09-05 10:21:24.192
TNS AT
Y
Public
Y
Discovery Mag
18.794
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, 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_2026aarv - 2026-09-08 08:40:15 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
z-step:   v-step: 
   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
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
24665 2026-09-08 08:40:15 ESO-NTT / EFOSC2-NTT 900 Ravi Seth, Cillian O'Donnell Umut Burgaz, Charlotte-Grace Touchard-Paxton ePESSTO+ tns_2026aarv_2026-09-08_08-40-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026aarv_2026-09-08_08-40-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-08-23 13:46:13 - 2026-08-29 13:20:29 2461276.073756 - 2461282.055888 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616844 2026-08-29 13:20:29 2461282.055888 18.78 0.2 ABMag L-GOTO GOTO-S_GOTO-4 180
616843 2026-08-23 13:46:13 2461276.073756 19.9 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2026-09-03 00:37:40 - 2026-09-03 00:37:40 2461286.52616 - 2461286.52616 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616801 2026-09-03 00:37:40 2461286.52616 16.4 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-09-05 10:21:24 - 2026-09-05 10:21:24 2461288.93153 - 2461288.93153 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
616802 2026-09-05 10:21:24 2461288.93153 18.794 0.132 19.37 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
322485 2026-09-06 08:32:50 GOTO_bot G. Ramsay, M. Pursiainen, K. Ackley et al. GOTO GOTO 23:27:27.506 -35:48:44.38 2026-08-29 13:20:28.896 18.78 L-GOTO PSN GOTO26iwq GOTO N
322453 2026-09-05 23:49:04 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 23:27:27.505 -35:48:44.27 2026-09-05 10:21:24.192 18.794 cyan-ATLAS PSN ATLAS26kvd ATLAS 2026TNSTR3586....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
24657 2026-09-09 07:19:20 ePESSTOplus_Bot1 Ravi Seth, Cillian O'Donnell, Umut Burgaz, Charlotte-Grace Touchard-Paxton, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.0921 1 ePESSTO+ 2026TNSCR3640....1S
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
24665 2026-09-08 08:40:15 ESO-NTT / EFOSC2-NTT 900 Ravi Seth, Cillian O'Donnell Umut Burgaz, Charlotte-Grace Touchard-Paxton ePESSTO+ tns_2026aarv_2026-09-08_08-40-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026aarv_2026-09-08_08-40-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments